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  5. Maintenance Manual

Oki OKIFAX 5750 Maintenance Manual

Summary of OKIFAX 5750

  • Page 1

    Okifax 5750/5950 series maintenance manual first edition note: throughout this manual there are many references to the g4/isdn option. This option is not available in the u.S. Or canada. January, 2001 oki data corporation.

  • Page 2

    Preface this manual is intended to be used for installing and maintaining okifax 5750/5950 facsimile transceiver. Maintenance of the okifax 5750/5950 is assumed to be conducted at the following levels: • assembly-level maintenance for mechanical portions • unit-level maintenance for electrical at po...

  • Page 3

    Of5750/5950 series january 2001 1 contents chapter 1 general information 1. General information ................................................................................... 1-1 1.1 general performance ...............................................................................................

  • Page 4

    Of5750/5950 series january 2001 2 chapter 2 installation procedure a. Setup information .................................................................................................. 2-1 2.1 general ....................................................................................................

  • Page 5

    Of5750/5950 series january 2001 3 2.9.5.7.3 network settings ................................................................................................... 2-117 2.9.5.7.3.1 ip address ............................................................................................................ 2...

  • Page 6

    Of5750/5950 series january 2001 4 4.3.13 contact assembly and high-/low-voltage power supply boards .......................... 15 4.3.14 disassembling the operation unit ......................................................................... 16 4.3.14.1 disassembling the operation unit ..............

  • Page 7

    Of5750/5950 series january 2001 5 7.10 sensor calibration test .......................................................................................... 7-13 7.11 led test ................................................................................................................ 7-14 7.12 tone...

  • Page 8

    Of5750/5950 series january 2001 6 appendix c not used at this time appendix d mechanical expanded view drawing and parts list (okifax 5750/5950) section 1 cabinet assembly (drawing) ................................................................................. D-1 cabinet assembly (parts lists) ....

  • Page 9

    Chapter 1 general information.

  • Page 10

    Of5750/5950 series january 2001 1 - 1 1. General information 1.1 general performance (1) type of appearance • desktop type (2) applicable lines • pstn (public switched telephone network • pbx (private branch exchange) telephone line • isdn (integrated service digital network) • fax2net internet fax ...

  • Page 11

    Of5750/5950 series january 2001 1 - 2 (12) scanning resolution a) horizontal: • 300 dot per inch note: 600 dpi x 15.4 mm (600 dpi x 600 dpi)*; copy is available. * in case 8 mb option memory is installed. B) vertical: • 300 dot per inch, 15.4, 7.7, and 3.85 lines per mm note: 300 dpi x 300 dpi (600 ...

  • Page 12

    Of5750/5950 series january 2001 1 - 3 (20) transmission speed • 2.5 sec. Per sheet of itu-t no.1 evalution test chart (for okifax 5950) • 3.0 sec. Per sheet of itu-t no.1 evalution test chart (for okifax 5750) note: this is phase c at 3.85 line/mm and 33.6 kbps. (21) protocol • itu-t rec. T.30 • itu...

  • Page 13

    Of5750/5950 series january 2001 1 - 4 (30) fax2net: provider type (option) • fax over ip • fax to e-mail • virtual e-mail • web retrieval note: for details, see” product specification for fax2net specification”. (31) g3 dual line function (option) note: for details, see” product specification for g3...

  • Page 14

    Of5750/5950 series january 2001 1 - 5 (12) batch transmission (13) priority transmission (14) transmission preparation (feeder) 2) reception (1) receive mode • automatic receive mode • manual receive mode • tel/fax receive mode • tad mode • memory receive mode • pc receive mode • forwarding mode (2)...

  • Page 15

    Of5750/5950 series january 2001 1 - 6 (12) distinguishing text from pictures (13) vertical reduction printing (reduction rate is from 100% to xx%) note: xx is letter 72.8%, a4 77.5% (14) smoothing printing in case of 8 dot/mm x 3.85 lines/mm Æ 300 dot/inch x 784 lines/inch (15) auto dialing • speed ...

  • Page 16

    Of5750/5950 series january 2001 1 - 7 (3) phone directory (4) group directory (5) activity report (6) active memory files (7) broadcast mcf (message confirmation) (8) protocol dump (g3 and g4) (9) nic configuration (10) log. Report (service bit = on) (11) g4 log. Report (service bit = on) (12) g3 lo...

  • Page 17

    Of5750/5950 series january 2001 1 - 8 (7) mf tone test (when ncu board is installed.) (8) tone (tel/fax) test (when ncu board is installed.) (9) loop back 1 (when isdn option board is installed.) (10) loop back 2 (when isdn option board is installed.) (11) info0 sending (when isdn option board is in...

  • Page 18

    Of5750/5950 series january 2001 1 - 9 352 mm 472 mm 360 mm stacker-document operation panel tray-paper tray-document figure 1.4.1 general appearance of okifax 5750/5950 1.4 general appearance figure 1.4.1 shows the general appearance of the okifax 5750/5950..

  • Page 19

    Of5750/5950 series january 2001 1 - 10 figure 1.4.2 control panel of okifax 5750/5950 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 q w e r t y u i o p a s d f g h j k l z x c v b n m , ; del caps @ - : / space . \ + pause unique 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 1 2 3...

  • Page 20

    Of5750/5950 series january 2001 1 - 11 no. Item specifications 1 applicable line 2 line interface 1) impedance 2) sending power level 3) receiving power level 3 type of document to be transmit- ted 1) width 2) length 3) thickness 4) shape 5) opacity 4 effective reading width 1) pstn (public switched...

  • Page 21

    Of5750/5950 series january 2001 1 - 12 no. Item specifications 5 automatic document feeder (adf) capacity 6 document skew 7 document jam detection 8 document jam removal 9 document stacking 10 recording paper. Max. 50 documents: 20 lb/75gm na letter or a4 size paper max. 30 documents: 16 to 28/60 lb...

  • Page 22

    Of5750/5950 series january 2001 1 - 13 no. Item specifications 11 recording paper cassette first cassette second cassette (option) 12 effective recording paper 1) printable area up to 250 sheets/cassette (oki data recommended paper) up to 500 sheets/cassette (oki data recommended paper) letter size ...

  • Page 23

    Of5750/5950 series january 2001 1 - 14 no. Item specifications 2) guaranteed printing area 13 copy stacking 14 scanning resolution 15 scanning method 16 contrast control note: the printable area means the area allowing actual printing at the time of receiving. The guaranteed printing area means the ...

  • Page 24

    Of5750/5950 series january 2001 1 - 15 no. Item specifications 17 recording resolution 18 copy resolution 19 recording method 20 recording paper skewing 21 copy darkness 22 copy uniformity 23 recording paper running out 24 minimum scan line time for receiving horizontal • 600 dot/inch vertical • 300...

  • Page 25

    Of5750/5950 series january 2001 1 - 16 no. Item specifications 25 coding scheme 26 modem operations 27 fallback 28 protocol 1) one-dimensional coding scheme: modified huffman (mh) 2) two-dimensional coding scheme: modified read (mr) modified modified read (mmr) 3) jbig (only for okifax 5950) 1) high...

  • Page 26

    Of5750/5950 series january 2001 1 - 17 no. Item specifications 29 image transmission time 30 error correction scheme (ecm) 31 communication mode 32 ringing signal detection sensitiv- ity 2.5 seconds at 33.6 kbps with jbig for okifax 5950 and 3.0 seconds at 33.6 kbps for okifax 5750 per sheet of itu-...

  • Page 27

    Of5750/5950 series january 2001 1 - 18 no. Item specifications 33 memory capacity (image memory) 34 telephone handset (option) 35 overheat protection 36 pc interface applications (option) 37 network print kit (option) note1: itu-t no.1 sample document is used to count the number of sheets. Note2: me...

  • Page 28

    Of5750/5950 series january 2001 1 - 19 no. Item specifications • installing the nic card for okifax 5750/5950 provides network print service as an option. 1) network 3.1x, 4.1x 2) tcp/ip 3) windows nt/95/98/3.1 4) t600dpi, 10 ppm note: for details, see product spec. “network print service” this func...

  • Page 29

    Of5750/5950 series january 2001 1 - 20 no. Item specifications 42 600dpi communication 43 relay broadcast function 44 fax2net: provider type (option) 45 power supply unit and power consumption of the machine resolution of 600dpi (transmissionreception, and copy) is made possible with 8-mb option mem...

  • Page 30

    Of5750/5950 series january 2001 1 - 21 no. Item specifications 46 ambient condition temperature humidity maximum wet bulb temperature minimum difference between wet and dry bulb temperatures in operation 50 - 90 (10 - 32) 20 - 80 77 (25) 35.6 (2) power off mode 32 - 110 (0 - 43) 10 - 90 80.4 (26.8) ...

  • Page 31

    Of5750/5950 series january 2001 1 - 22 1.6 reports and lists this section presents the formats of reports and lists referred in the preceeding paragraphs, with some example for reference purpose for us/canada/int’l version. Brief descriptions for the items and sample data are given for the reader’s ...

  • Page 32

    Of5750/5950 series january 2001 1 - 23 1.6.1.1 difference from okifax5700/5900 (*1 to *7 coincide with the notes on the example of the report image.) *1 to be described when isdn/g3 option is installed. *2 added descriptions due to the addition of relay broadcasting station function. *3 to be descri...

  • Page 33

    Of5750/5950 series january 2001 1 - 24 1.6.1.2 report image (page 1: when service bit = on, and all description conditions are met.) configuration p1 12/24/2000 22:00 id=odc takasaki user function setup machine settings auto answer mode fax monitor volume high-mid. Buzzer volume low user language en...

  • Page 34

    Of5750/5950 series january 2001 1 - 25 (page 2: when service bit = on, and all description conditions are met.) configuration p2 12/24/2000 22:00 id=odc takasaki user function setup report options mcf. (single-loc.) off mcf. (multi-loc.) on message in mcf. Off err. Report (mcf.) off lan options auto...

  • Page 35

    Of5750/5950 series january 2001 1 - 26 (page 3: when service bit = on, and all description conditions are met.) configuration p3 12/24/2000 22:00 id=odc takasaki technical function setup service bit on monitor cont. On country code usa *12 time/date print off tsi print on tad mode type2 real time di...

  • Page 36

    Of5750/5950 series january 2001 1 - 27 1.6.2 function list method: this list can be printed out manually from the report operation. The list is printed out user function only and does not print technical function. 1.6.2.1 difference from okifax5700/5900 (*1 to *12 coincide with the notes on the exam...

  • Page 37

    Of5750/5950 series january 2001 1 - 28 1.6.2..2 report image function list (page 1) function list p1 12/24/2000 22:00 id=0dc takasaki to access program menu items: -press the menu key -to locate a menu item, use the up-down arrow key -select the menu item using either the enter or right arrow keys t...

  • Page 38

    Of5750/5950 series january 2001 1 - 29 function list (page 2) function list p2 12/24/2000 22:00 id=0dc takasaki menu setup clock adjustment clock adjutment id/password prg. Tsi/csi tsi/csi(g3 option) *8 sender id personal box mem. Password restrict id isdn-tid isdn-sub no. Machine settings auto answ...

  • Page 39

    Of5750/5950 series january 2001 1 - 30 function list (page 3) function list p3 12/24/2000 22:00 id=0dc takasaki menu setup incoming options incoming ring off/on/drc remote receive off/00-99/**/## t/f timer prg. 20/35 sec continuous tone on/off pc/fax switch on/off cng count 1-5 times ring response 1...

  • Page 40

    Of5750/5950 series january 2001 1 - 31 1.6.3 help report output the following new report by pressing help key while the device is in standby state. Following this report, output conventional function list. (4 sheets in total) 1.6.3.1 report image (conditions for descriptions) (1) if the line for des...

  • Page 41

    Of5750/5950 series january 2001 1 - 32 1.6.4 telephone directory method: the report will be manually printed out. The report prints destinations registered only. Descriptions: five pages for okifax 5750 and eight pages for okifax 5950. Speed dial: up to 140 for okifax 5750, up to 230 for okifax 5950...

  • Page 42

    Of5750/5950 series january 2001 1 - 33 telephone directory p1 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 1 oki data sys1 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 alt# 0101 2 oki data sys2 loc# 0002 off / 33.6 / g4 alt# 0102 3 oki data sys3 loc# 0003 on / ...

  • Page 43

    Of5750/5950 series january 2001 1 - 34 telephone directory p2 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 31 oki data sys31 loc# 1234567890123456789012345678901234567890 [12:12] on / 33.6 / g4 alt# 0010 32 oki data sys32 loc# 0010 [12:12] on / 33.6 / g4 alt# 0010 33 oki data ...

  • Page 44

    Of5750/5950 series january 2001 1 - 35 telephone directory p3 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 61 oki data sys61 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 62 oki data sys62 loc# 0002 off / 33.6 / g4 63 oki data sys63 loc# 0003 on / 33.6 / g4 64 o...

  • Page 45

    Of5750/5950 series january 2001 1 - 36 telephone directory p4 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 91 oki data sys91 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 92 oki data sys92 loc# 0002 off / 33.6 / g4 93 oki data sys93 loc# 0003 on / 33.6 / g4 94 o...

  • Page 46

    Of5750/5950 series january 2001 1 - 37 telephone directory p5 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 121 oki data sys121 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 122 oki data sys122 loc# 0002 off / 33.6 / g4 123 oki data sys123 loc# 0003 on / 33.6 / g...

  • Page 47

    Of5750/5950 series january 2001 1 - 38 telephone directory p1 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 1 oki data sys1 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 alt# 0101 2 oki data sys2 loc# 0002 off / 33.6 / g4 alt# 0102 3 oki data sys3 loc# 0003 on / ...

  • Page 48

    Of5750/5950 series january 2001 1 - 39 telephone directory p2 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 31 oki data sys31 loc# 1234567890123456789012345678901234567890 [12:12] on / 33.6 / g4 alt# 0010 32 oki data sys32 loc# 0010 [12:12] on / 33.6 / g4 alt# 0010 33 oki data ...

  • Page 49

    Of5750/5950 series january 2001 1 - 40 telephone directory p3 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 61 oki data sys61 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 alt# 0010 62 oki data sys62 loc# 0002 off / 33.6 / g4 alt# 0010 63 oki data sys63 loc# 0003...

  • Page 50

    Of5750/5950 series january 2001 1 - 41 telephone directory p4 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 91 oki data sys91 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 92 oki data sys92 loc# 0002 off / 33.6 / g4 93 oki data sys93 loc# 0003 on / 33.6 / g4 94 o...

  • Page 51

    Of5750/5950 series january 2001 1 - 42 telephone directory p5 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 121 oki data sys121 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 122 oki data sys122 loc# 0002 off / 33.6 / g4 123 oki data sys123 loc# 0003 on / 33.6 / g...

  • Page 52

    Of5750/5950 series january 2001 1 - 43 telephone directory p6 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 151 oki data sys151 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 152 oki data sys152 loc# 0002 off / 33.6 / g4 153 oki data sys153 loc# 0003 on / 33.6 / g...

  • Page 53

    Of5750/5950 series january 2001 1 - 44 telephone directory p7 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 181 oki data sys181 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 182 oki data sys182 loc# 0002 off / 33.6 / g4 183 oki data sys183 loc# 0003 on / 33.6 / g...

  • Page 54

    Of5750/5950 series january 2001 1 - 45 telephone directory p8 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 211 oki data sys211 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 212 oki data sys212 loc# 0002 off / 33.6 / g4 213 oki data sys213 loc# 0003 on / 33.6 / g...

  • Page 55

    Of5750/5950 series january 2001 1 - 46 telephone directory 12/24/1999 17:05 id=oki location id tel no g3-echo / g3-rate / mode 1 oki data sys1 loc# 1234567890123456789012345678901234567890 on / 33.6 / g4 alt# 0101 50 oki data sys50 loc# 0002 off / 33.6 / g4 100 oki data sys100 loc# 0003 on / 33.6 / ...

  • Page 56

    Of5750/5950 series january 2001 1 - 47 1.6.5 group directory method: this list can be printed out manually for a selected group only (group #1 to #20) through operation. Description: 1. Title of the list 2. Date and time when the list was printed. 3. Sender id 4. Registered group no. And id 5. Regis...

  • Page 57

    Of5750/5950 series january 2001 1 - 48 group directory 12/24/1999 17:04 id=oki takasaki group no. #1=oki data sys1 location id location id 1 = 1234567890123456789012345678901234567890 2 = 1234567890123456789012345678901234567890 3 = oki-shibaura 4 = oki-shibaura 5 = fx-050 6 = fx-175 7 = fx-0175vp-e...

  • Page 58

    Of5750/5950 series january 2001 1 - 49 group directory p1 12/24/1999 17:04 id=oki takasaki group no. #1=oki data sys1 location id location id 1 = 1234567890123456789012345678901234567890 2 = 1234567890123456789012345678901234567890 3 = oki-shibaura 4 = oki-shibaura 5 = fx-050 6 = fx-175 7 = fx-0175v...

  • Page 59

    Of5750/5950 series january 2001 1 - 50 group directory p2 12/24/1999 17:04 id=oki takasaki group no. #1=oki data sys1 location id location id 141 = kai-eigyou-intl 142 = kai-eigyou-gbr 143 = kai-eigyou-nor 144 = kai-eigyou-swe 145 = kai-eigyou-den 146 = kai-eigyou-ger 147 = kai-eigyou-tch 148 = kai-...

  • Page 60

    Of5750/5950 series january 2001 1 - 51 group directory 12/24/1999 17:04 id=oki takasaki group no. #1=oki data sys1 location id location id 1 = 1234567890123456789012345678901234567890 50 = 1234567890123456789012345678901234567890 100 = oki-shibaura group directory (when the destination of speed dial...

  • Page 61

    Of5750/5950 series january 2001 1 - 52 1.6.6 self diagnosis report purpose: to check roms, rams and printing function method: the report will be manually printed out for maintenance purpose. 1.6.6.1 difference from okifax5700/5900 (*1 to *3 coincide with the notes on the example of the report image....

  • Page 62

    Of5750/5950 series january 2001 1 - 53 self diagnosis report 12/24/2000 12:00 id=0dc takasaki main board cpu-rom version aaaa hash ok hhhh cpu-ram ok program1 version aaaa hash ok hhhh program2 version aaaa hash ok hhhh language version aaaa hash ok hhhh default version aaaa hash ok hhhh default typ...

  • Page 63

    Of5750/5950 series january 2001 1 - 54 1.6.7 g3 protocol dump purpose: to allow the serviceman to obtain a list of protocol signals transferred between the transmitter and receiver. Method: the report will be manually printed out for maintenance purpose. If the previous communica- tion is g3, g3 com...

  • Page 64

    Of5750/5950 series january 2001 1 - 55 protocol dump image (page 1) protocol dump p1 12/24/2000 19:00 id=oki takasaki date time s,r-time distant station id mode pages result 12/24 18:56 00'33" 123456789012345678901234 tx 002 ok 0000 # fcf tx nss pps_mps pps_eop dcn rx nsf dis cfr mcf mcf tx rx tx rx...

  • Page 65

    Of5750/5950 series january 2001 1 - 56 protocol dump image (page 2) protocol dump p2 12/24/2000 19:00 id=oki takasaki received frame dis ff c8 01 00 73 17 22 00 00 00 00 00 00 00 00 00 00 00 00 00 dtc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 dcs 00 00 00 00 00 00 00 00 00 00 00 00...

  • Page 66

    Of5750/5950 series january 2001 1 - 57 1.6.8 g4 protocol dump purpose: to allow the serviceman to obtain a list of protocol signals transferred between the transmitter and receiver. Method: the report will be manually printed out for maintenance purpose. If it is g4, the g4 communication protocol du...

  • Page 67

    Of5750/5950 series january 2001 1 - 58 protocol dump p1 12/24/2000 19:00 id=oki takasaki date time s,r-time distant station id mode pages result 12/24 18:56 00'33" oki shibaura tx-g4 002 ok 0000 dch. Tx setup conn-ack + bch + disc rel-c rx status setup-ack conn + bch + rel tx rx bch. Tx sabm wq cr t...

  • Page 68

    Of5750/5950 series january 2001 1 - 59 protocol dump p2 12/24/2000 19:00 id=oki takasaki cr/cn 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ca/cc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0...

  • Page 69

    Of5750/5950 series january 2001 1 - 60 1.6.9 relay broadcast confirmation method: the report will be sent out upon return when the distribution is completed. Descriptions: 1. Title of the report 2. Date and time when the report was printed 3. Sender id 4. Total numbers of pages in particular communi...

  • Page 70

    Of5750/5950 series january 2001 1 - 61 relay broadcast confirmation report p1 12/24/2000 19:22 id=oki pages = 001 start time = 12/24 17:22 total time = 1:22'22" location id pages result location id pages result 1=okidata sys1 001 ok 2=oki data sys2 001 ok 3=okidata sys3 001 ok 4=oki data sys4 001 ok...

  • Page 71

    Of5750/5950 series january 2001 1 - 62 relay broadcast confirmation report p2 12/24/2000 19:22 id=oki location id pages result keypad 12345678901234567890 001 ok 12345678901234567890 001 ok 12345678901234567890 001 ok 12345678901234567890 001 ok 12345678901234567890 001 ok 12345678901234567890 001 o...

  • Page 72

    Of5750/5950 series january 2001 1 - 63 relay broadcast confirmation report p1 12/24/2000 19:22 id=oki pages = 001 start time = 12/24 17:22 total time = 1:22'22" location id pages result location id pages result 1=okidata sys1 001 ok 2=oki data sys2 001 ok 3=okidata sys3 001 ok 4=oki data sys4 001 ok...

  • Page 73

    Of5750/5950 series january 2001 1 - 64 relay broadcast confirmation report p2 12/24/2000 19:22 id=oki location id pages result location id pages result 141=okidata sys141 001 ok 142=oki data sys142 001 ok 143=okidata sys143 001 ok 144=oki data sys144 001 ok 145=okidata sys145 001 ok 146=oki data sys...

  • Page 74

    Of5750/5950 series january 2001 1 - 65 relay broadcast confirmation report 12/24/2000 19:22 id=oki pages = 001 start time = 12/24 17:22 total time = 1:22'22" location id pages result location id pages result 1=12345678901234567890 001 ok 50=oki data sys2 001 ok 100=okidata sys3 keypad 12345678901234...

  • Page 75

    Of5750/5950 series january 2001 1 - 66 1.6.10 internet fax reception error report (error mail report) alarm mcf will be output upon interruption of the reception if a file not printable by the interna- tional fax is included (always output irrespective of the setting). Descriptions of the content of...

  • Page 76

    Of5750/5950 series january 2001 1 - 67 1.6.11 activity report purpose: to provide the user with a comprehensive communication record listing for her/his administra- tive or management purposes. But in memory rx, result of the communication is always printed in the report. Method: the report will be ...

  • Page 77

    Of5750/5950 series january 2001 1 - 68 1.6.11.1 difference from okifax5700/5900 (1) describes internet fax, fax2net email/web address to distant station id. • character string including the lower-case alphabetic characters and symbols • leading 24 characters • describes speed dial registered address...

  • Page 78

    Of5750/5950 series january 2001 1 - 69 activity report 12/24/2000 17:05 id=oki total time tx=08:22' rx=17:39’ date time s,r-time distant staiton id mode pages result 12/15 10:10 00’00” 123456789012345678901234 tx 000 no 90c1 12/15 10:30 00’00” ods takasaki tx 000 stop 9080 12/15 12:05 01’20” oki fax...

  • Page 79

    Of5750/5950 series january 2001 1 - 70 1.6.12 message confirmation pupose: to check the result of transmission just conducted or previous done. Method: the report will be manually or automatically printed out. Description: 1. Title of the report 2. Date and time when the report was printed. 3. Sende...

  • Page 80

    Of5750/5950 series january 2001 1 - 71 message confirmation 12/24/2000 17:05 id=oki date s,r-time distant station id mode pages result 12/24 0'20" 123456789012345678901234 tx 002 ok 0000 image message confirmation (when the transmission is the normal end).

  • Page 81

    Of5750/5950 series january 2001 1 - 72 message confirmation (error report) message confirmation 12/24/2000 17:05 id=oki date s.R-time distant station id mode pages result 12/24 0'20" 123456789012345678901234 tx 002 ok 0000 possible error page:*001*002 image printed only when error page.

  • Page 82

    Of5750/5950 series january 2001 1 - 73 1.6.13 power outage report purpose: to indicate ac power failure and recovery and in case of destruction of accumulated picture data in the memory. The information printed on the power outage report is not printed out on the activity report. Method: if received...

  • Page 83

    Of5750/5950 series january 2001 1 - 74 power outage report 12/24/2000 15:10 id=oki date time s,r-time distant station id mode pages result 12/24 10:10 123456789012345678901234 lost 12/24 10:30 ods takasaki 003 lost 12/24 12:05 01'20" oki fax conf=01 003 lost 0000 12/24 13:00 00'20" 03-5476-4300 rx 0...

  • Page 84

    Of5750/5950 series january 2001 1 - 75 1.6.14 confidential rx report purpose: to inform the operator about a stored confidential message in the memory method: the report will be automatically printed out. Descriptions: 1. Title of the report 2. Date and time when the report was printed. 3. Sender id...

  • Page 85

    Of5750/5950 series january 2001 1 - 76 confidential rx report 12/24/2000 17:05 id=oki date s,r-time distant station id mode pages result 12/24 01'30" 123456789012345678901234 conf=01 002 ok 0000 confidential rx report.

  • Page 86

    Of5750/5950 series january 2001 1 - 77 1.6.15 active memory file method: the report will be manually or automatically printed out for information of transmission/recep- tion data stored in the memory. When there is no stored image data in the memory at all, the active memory files is not printed out...

  • Page 87

    Of5750/5950 series january 2001 1 - 78 1.6.15.1 difference from okifax5700/5900 (1) description of email address or web url is enabled to the distant station id column of transmission. • character string containing the lower-case alphabetic characters and symbols • speed dial: descriptions of maximu...

  • Page 88

    Of5750/5950 series january 2001 1 - 79 active memory files p1 12/24/2000 19:10 id=ods reception entries pages 05 020 transmission date time distant station id mode pages 12/24 13:00 oki data sys-1 tx 003 12/24 12:03 oki data sys-2 tx 001 12/24 13:00 oki data sys-3 tx 002 12/24 13:05 oki data sys-4 t...

  • Page 89

    Of5750/5950 series january 2001 1 - 80 active memory files p2 12/24/2000 19:10 id=ods personal box box no. Mode entries pages 01 conf 03 020 02 conf 01 002 03 conf 01 005 04 conf 01 005 05 poll 01 005 06 poll 01 005 07 poll 01 005 08 poll 01 005 09 poll 01 005 10 poll 01 005 11 poll 01 005 12 poll 0...

  • Page 90

    Of5750/5950 series january 2001 1 - 81 active memory files 12/24/2000 19:10 id=ods reception entries pages 05 020 transmission date time distant station id mode pages 12/24 13:00 oki data sys-1 tx 003 12/24 15:30 oki data sys-9 tx 002 12/24 15:50 oki data sys-10 tx 002 12/24 16:10 oki data sys-11 tx...

  • Page 91

    Of5750/5950 series january 2001 1 - 82 1.6.16 broadcast entry report method: the report will be manually or automatically printed out. Descriptions: 1. Title of the report 2. Date and time when the report was printed 3. Sender id 4. Required transmission address (speed dial) 5. Registered location i...

  • Page 92

    Of5750/5950 series january 2001 1 - 83 broadcast entry report p1 12/24/2000 17:04 id=oki takasaki location id location id 1=1234567890123456789012345678901234567890 2=1234567890123456789012345678901234567890 3=oki-shibaura 4=oki-shibaura 5=fx-050 6=fx-175 7=fx-175vp-enhanc 8=fx-056 9=okifax450 10=ok...

  • Page 93

    Of5750/5950 series january 2001 1 - 84 broadcast entry report p2 12/24/2000 17:04 id=oki takasaki location id keypad 1234567890123456789012345678901234567890 1234567890123456789012345678901234567890 1234567890123456789012345678901234567890 1234567890123456789012345678901234567890 1234567890123456789...

  • Page 94

    Of5750/5950 series january 2001 1 - 85 broadcast entry report p1 12/24/2000 17:04 id=oki takasaki location id location id 1=1234567890123456789012345678901234567890 2=1234567890123456789012345678901234567890 3=oki-shibaura 4=oki-shibaura 5=fx-050 6=fx-175 7=fx-175vp-enhanc 8=fx-056 9=okifax450 10=ok...

  • Page 95

    Of5750/5950 series january 2001 1 - 86 broadcast entry report p2 12/24/2000 17:04 id=oki takasaki location id location id 141=kai-eigyou-intl 142=kai-eigyou-gbr 143=kai-eigyou-nor 144=kai-eigyou-swe 145=kai-eigyou-den 146=kai-eigyou-ger 147=kai-eigyou-tch 148=kai-eigyou-pol 149=kai-eigyou-aut 150=ka...

  • Page 96

    Of5750/5950 series january 2001 1 - 87 broadcast entry report 12/24/2000 17:04 id=oki takasaki location id location id 1=1234567890123456789012345678901234567890 50=1234567890123456789012345678901234567890 100=oki-shibaura keypad 1234567890123456789012345678901234567890 12345678901234567890123456789...

  • Page 97

    Of5750/5950 series january 2001 1 - 88 1.6.17 broadcast confirmation report method: the report will be manually or automatically printed out. Descriptions: 1. Title of the report 2. Date and time when the report was printed 3. Sender id 4. Total numbers of pages in particular communication 5. Specif...

  • Page 98

    Of5750/5950 series january 2001 1 - 89 nic configuration (type 1 oel version) 09/22/2000 16:54 id=okidata corp.E8s (fax&mfp s/w) mletb08 version 1.0.2 tcp/ip status ip address : 202.250.103.63 subnet mask : 255.255.255.0 gateway addr : 202.250.103.254 netware status nwprint mode: pserver packet type...

  • Page 100

    Of5750/5950 series january 2001 1 - 91 nic configuration (type 2) 09/22/2000 16:54 id=okidata corp.E8s (fax&mfp s/w).

  • Page 101

    Of5750/5950 series january 2001 1 - 92 1.6.21 nic information.

  • Page 102

    Of5750/5950 series january 2001 1 - 93 12/24/1999 12:00 personal id =0dc takasaki tel no. =609-222-1234 tel no.(g3 option) =609-333-4567 *2 main board cpu-rom version aaaa hash ok hhhh cpu-ram ok program1 version aaaa hash ok hhhh program2 version aaaa hash ok hhhh language version aaaa hash ok hhhh...

  • Page 103

    Of5750/5950 series january 2001 1 - 94 1.6.23 descriptions of communication mode column 1.6.23.1 mode column in activity report *1 country code = polled and polling are reversed for fre. *2 country code = blank for other than ger, sui, and aut. *3 simultaneous or relay broadcast of ifax will be effe...

  • Page 104

    Of5750/5950 series january 2001 1 - 95 1.6.24 output conditions of various mcf reports during transmission 1.6.24.1 difference from okifax5700/5900 • describes the results of broadcast transmission to respective addresses to the activity report. • one-line description of “mode=b.C. Result=comp” used...

  • Page 105

    Of5750/5950 series january 2001 1 - 96 automatic output report setting item no. Image in mcf setting described together with mcf (multi) (with picture) broadcast each address err. Rep mcf (multi) mcf (single) on off mcf mcf mcf with picture broadcast of 25 — on on (b.C.Stop) 26 — off on (b.C.Stop) 2...

  • Page 106

    Of5750/5950 series january 2001 1 - 97 automatic output report setting item no. Image in mcf setting described together with mcf (multi) (with picture) broadcast each address err. Rep mcf (multi) mcf (single) on off mcf mcf mcf with picture 57 — on off (b.C.Stop) 55 — on on (b.C.Stop) single locatio...

  • Page 107

    Chapter 2 installation procedure.

  • Page 108

    Of5750/5950 series january 2001 2 - 1 a. Setup information 2.1 general the following flowchart outlines the installation procedure. Site selection (see 2.2) unpacking contents identification installation of attachments ac cord connection telephone and line connection packing for shipment general pro...

  • Page 109

    Of5750/5950 series january 2001 2 - 2 clock adjustment (see 2.9.5.1) id/password programming machine settings dialing options incoming options report options lan options table: user default setting table: technical default setting table: dial parameter default setting off-line tests on-line tests #1...

  • Page 110

    Of5750/5950 series january 2001 2 - 3 2.2 site selection installation precautions for installation (1) fluctuation in line voltage • 120vac (102v to 127v) • 230vac (198v to 264v) (2) room temperature • 50 to 90°f (10 to 32°c) (3) humidity • 20 to 80% rh (4) operating environment • pressure: equivale...

  • Page 111

    Of5750/5950 series january 2001 2 - 4 note: *1: this space necessary for having the telephone set. *2: this space is necessary for removing the recording paper cassette. *3: this space is necessary for installing the document stacker and allow space for the fan exhaust. (7) levelness of installation...

  • Page 112

    Of5750/5950 series january 2001 2 - 5 2.3 unpacking procedure (1) remove the on the top of the carton box and open its cover. Figure 2.3.1 unpacking procedure (1) (2) take out the accessory box from the carton box. (see figure 2.3.2) (3) take out the machine with plastic wrapper from the box. Extern...

  • Page 113

    Of5750/5950 series january 2001 2 - 6 figure 2.3.2 unpacking procedure (2) box-accessories connecting codes toner cartrige stacker document pat-assy (r) 40932402 okifax 5750/5950 pad-assy (l) 40932401 box-individual bar code.

  • Page 114

    Of5750/5950 series january 2001 2 - 7 2.4 contents identification after having taken out the machine and accompainied accessaries from the carton box, check the contents according to the following list. Table 2.4.1 contents list item no. Name q’ty remarks 1 okifax 5750/5950 facsimile 1 2 ac power co...

  • Page 115

    Of5750/5950 series january 2001 2 - 8 2.5 installation of attachments (1) items • image drum (id) unit (already installed) • toner cartridge • recording paper • document stacker (2) procedure 1) toner cartridge • peel off the fixed tape attached to the tray-paper. • open the tray-document and tray-p...

  • Page 116

    Of5750/5950 series january 2001 2 - 9 • take out the toner cartridge from the damp proof bag, shake it five or six times as shown in the illustration to eliminate the toner deflection, and peel off the seal gently. Figure 2.5.3 toner cartridge installation (3) • ensure that the plastic tab on the li...

  • Page 117

    Of5750/5950 series january 2001 2 - 10 figure 2.5.5 toner cartridge installation (5) • clean the toner scattered in the vicinity of the toner cartridge using a cloth moist- ened with cold water. Do not use hot water since it makes the toner stick there. • close the tray-paper until the buttons have ...

  • Page 118

    Of5750/5950 series january 2001 2 - 11 note: about 250 sheets of the new paper can be set in the recording paper cassette. • remove the paper cassette from the facsimile by pulling the cassette tab. • sheets must not exceed the paper full marker of the new paper limit indication. If excessive sheets...

  • Page 119

    Of5750/5950 series january 2001 2 - 12 • hang the document stacker onto hanging position. 2.6 ac cord connection.

  • Page 120

    Of5750/5950 series january 2001 2 - 13 the power supply is provided as follows: normal input voltage 120vac (voltage range 102 to 127vac) normal input voltage 230vac (voltage range 198 to 250vac) check whether the ac voltage of your input is within the above-mentioned voltage range and if so, check ...

  • Page 121

    Of5750/5950 series january 2001 2 - 14 (1) procedure • connect the lines. 2.8 pcking for shipment caution: when packing the okifax 5750/5950 for shipment, remove the image drum and toner from the unit and ship separately! Failure to do this will result in damege to the machine. Exchange line externa...

  • Page 122

    Of5750/5950 series january 2001 2 - 15 b. Programming and initial settings 2.9 initial settings 2.9.1 general procedure of key operation note: the fonts displayed on the lcd operation panel may differ from the fonts written this manual. Accessing to desired functions: • there are two methods for acc...

  • Page 123

    Of5750/5950 series january 2001 2 - 16 user functions menu delayed tx delayed batch tx priority tx confidential tx relayinitiate tx internet fax polling tx/rx print from memory fax2net service print memory msg. Print memory poll print personal box report print activity report active mem. Files broad...

  • Page 124

    Of5750/5950 series january 2001 2 - 17 machine settings auto answer mode 10 monitor volume 11 buzzer volume 12 user language 13 remote diagnosis 14 tx mode default 15 16 no toner mem. Rx 17 mem. Full save 18 instant dial 19 restrict access 20 ecm function 21 closed network 22 toner save 23 sender id...

  • Page 125

    Of5750/5950 series january 2001 2 - 18 report options mcf (single-loc.) 70 mcf (multi-loc.) 71 image in mcf. 72 err. Report (mcf.) 73 lan options auto tray sw. 80 paper size check 81 lan print t.O. 82 pop interval 83 del received msg. 84 time between gmt 85 text print 86 header print 87 coding mode ...

  • Page 126

    Of5750/5950 series january 2001 2 - 19 technical functions menu local test resolution key x 2 self diagnosis sens. Calibration led test tone send test modem send test setup modem rec. Test mf(tone) test tone(t/f) test loop back 1 loop back 2 info0 sending info1 sending info3 sending pulse (1khz) sen...

  • Page 127

    Of5750/5950 series january 2001 2 - 20 system reset default type set pc loading g4 pc loading g3 pc loading all data clr location data clr config. Data clr print priority 35 jbig facility 38 fax2net function 37 relay broadcast 36 llc check 39 g3/g4 learning 40 email maintenance 43 gateway service g3...

  • Page 128

    Of5750/5950 series january 2001 2 - 21 2.9.2 technical functions: setup 1. This section explains items generally conducted by service personnel, not by users. (1) step access 1) the machine is standby state with no document. 2) press the menu/exit key once. 3) press the resolution key twice. The dis...

  • Page 129

    Of5750/5950 series january 2001 2 - 22 2.9.2.1 technical functions operation 1 select menu is shown as below: 1. Local test 2. Technical setup: go to section 2.9.2.2 3. System reset 4. Default type set 5. Pc loading 6. G4 pc loading or g3 pc loading *2 *2 this mode can be selected when g3 option is ...

  • Page 130

    Of5750/5950 series january 2001 2 - 23 2.9.2.2 technical functions operation 2 setup 01: service bit (off/on) 02: monitor cont. (off/on) 03: country code (selecting the country code) 04: time/date print (off/once/all) 05: tsi print (off/on) 06: tad mode (off/type1/type2/type3) 07: real time dial (of...

  • Page 131

    Of5750/5950 series january 2001 2 - 24 t e c h n i c a l p r g . 1 l o c a l t e s t 2 > s e t u p 3 s y s t e m r e s e t t e c h n i c a l p r g . X x 1 > l o c a l t e s t 2 s e t u p 3 s y s t e m r e s e t s e t u p 0 1 > s e r v i c e b i t 0 2 m o n i t o r c o n t . 0 3 c o u n t r y c o d e...

  • Page 132

    Of5750/5950 series january 2001 2 - 25 s e t u p 0 7 r e a l t i m e d i a l 0 8 > t e l / f a x s w i t c h 0 9 m d y / d m y s e t u p 0 8 t e l / f a x s w i t c h 0 9 > m d y / d m y 1 0 l o n g d o c . S c a n s e t u p 0 9 m d y / d m y 1 0 > l o n g d o c . S c a n 1 1 t o n e f o r e c h o s...

  • Page 133

    Of5750/5950 series january 2001 2 - 26 s e t u p 1 4 t 1 ( t x ) t i m e r v a l u e 1 5 > t 1 ( r x ) t i m e r v a l u e 1 6 t 2 t i m e r * 1 0 0 m s s e t u p 1 5 t 1 ( r x ) t i m e r v a l u e 1 6 > t 2 t i m e r * 1 0 0 m s 1 7 d i s b i t 3 2 s e t u p 1 6 t 2 t i m e r * 1 0 0 m s 1 7 > d i...

  • Page 134

    Of5750/5950 series january 2001 2 - 27 s e t u p 2 1 a t t e n u a t o r 2 2 > t / f t o n e a t t . 2 3 m f a t t . S e t u p 2 2 t / f t o n e a t t . 2 3 > m f a t t . 2 4 r i n g d u r a . * 1 0 m s s e t u p 2 3 m f a t t . 2 4 > r i n g d u r a . * 1 0 m s 2 5 c m l t i m i n g * 1 0 0 m s s e...

  • Page 135

    Of5750/5950 series january 2001 2 - 28 s e t u p 2 8 t r l a t c h c u r r e n t 2 9 > v 3 4 t x r e t r y 3 0 s y m b o l r a t e s e t u p 2 9 v 3 4 t x r e t r y 3 0 > s y m b o l r a t e 3 1 n s f s w i t c h s e t u p 3 0 s y m b o l r a t e 3 1 > n s f s w i t c h 3 2 i d / t s i p r i o r i t...

  • Page 136

    Of5750/5950 series january 2001 2 - 29 s e t u p 3 5 p r i n t p r i o r i t y 3 6 > r e l a y b r o a d c a s t 3 7 f a x 2 n e t f u n c t i o n s e t u p 3 6 r e l a y b r o a d c a s t 3 7 > f a x 2 n e t f u n c t i o n 3 8 j b i g f a c i l i t y s e t u p 3 7 f a x 2 n e t f u n c t i o n 3 8...

  • Page 137

    Of5750/5950 series january 2001 2 - 30 s e t u p 4 3 e m a i l m a i n t e n a n c e 4 4 a d m i n e m a i l a d d r . 4 5 > c o m m a n d t . O . "45" 4 5 c o m m a n d t . O . > 5 s e c 3 0 s e c 5 m i n enter/ → key enter key 5sec 30sec 5min ↑ key ↓ key *3)/*4) some options of the setup menu cann...

  • Page 138

    Of5750/5950 series january 2001 2 - 31 2.9.2.2.1 t1 (tx) timer value set the t1 timer (call connection wait time: xtto) for transmission. S e t u p 1 3 h / m o d e m r a t e 1 4 > t 1 ( t x ) t i m e r v a l u e 1 5 t 1 ( r x ) t i m e r v a l u e t e c h n i c a l p r g . 1 4 1 > l o c a l t e s t ...

  • Page 139

    Of5750/5950 series january 2001 2 - 32 2.9.2.2.2 t1 (rx) timer value set the t1 timer for reception. The time from issue of the first dis to issue of a signal is checked. If a time-out occurs, the line is disconnected. S e t u p 1 4 t 1 ( t x ) t i m e r v a l u e 1 5 > t 1 ( r x ) t i m e r v a l u...

  • Page 140

    Of5750/5950 series january 2001 2 - 33 2.9.2.2.3 t2 timer *100ms registers the time duration (in seconds) for which the fax detects the eol interval during reception of phase c. The fax disconnects the line when eol can not detect within t2 timer. S e t u p 1 5 t 1 ( r x ) t i m e r v a l u e 1 6 > ...

  • Page 141

    Of5750/5950 series january 2001 2 - 34 2.9.2.2.4 error criterion registers the threshould value whether to transmit rtn or mcf signal when the error occurs in received data. S e t u p 1 7 d i s b i t 3 2 1 8 > e r r o r c r i t e r i o n 1 9 o f f h o o k b y p a s s t e c h n i c a l p r g . 1 8 1 ...

  • Page 142

    Of5750/5950 series january 2001 2 - 35 2.9.2.2.6 t/f tone att. Adjusts the attenuation (db) for the quasi-ring back tone send signal of tel/fax switching. Adjusting value is 0 to 15db in one db steps. S e t u p 2 1 a t t e n u a t o r 2 2 > t / f t o n e a t t . 2 3 m f a t t . T e c h n i c a l p r...

  • Page 143

    Of5750/5950 series january 2001 2 - 36 2.9.2.2.8 ring dura. *10ms selects the minimum ring detection time to meet country's requirements. Adjusting time is 100ms to 990ms in 10ms steps. S e t u p 2 3 m f a t t . 2 4 > r i n g d u r a . * 1 0 m s 2 5 c m l t i m i n g * 1 0 0 m s t e c h n i c a l p ...

  • Page 144

    Of5750/5950 series january 2001 2 - 37 s e t u p 2 5 c m l t i m i n g * 1 0 0 m s 2 6 > l e d h e a d s t r o b e 2 7 m e d i a t y p e t e c h n i c a l p r g . 2 6 1 > l o c a l t e s t 2 s e t u p 3 s y s t e m r e s e t 2 6 l e d h e a d s t r o b e v a l u e : 0 0 0 0 0 - 1 1 1 1 1 ( b ) [ 1 0...

  • Page 145

    Of5750/5950 series january 2001 2 - 38 s e t u p 4 3 e m a i l m a i n t e n a n c e 4 4 > a d m i n e m a i l a d d r . 4 5 c o m m a n d t . O . T e c h n i c a l p r g . 4 3 1 > l o c a l t e s t 2 s e t u p 3 s y s t e m r e s e t 4 4 a d m i n e m a i l a d d r . C a p s o f f _ 4 4 a d m i n e...

  • Page 146

    Of5750/5950 series january 2001 2 - 39 2.9.2.3 technical functions (setup) • table 2.9.2.3 shows the initial setting items and their purpose. (the default setting is different by the individual countries.) • each item can be accessed by entering it on technical setup. • the detailed procedures of th...

  • Page 147

    Of5750/5950 series january 2001 2 - 40 06 tad mode 05 tsi print no. Item specifications table 2.9.2.3 technical functions: setup (2/11) determine whether a tsi is to be printed in the received image. 1) setting value on (printed)/off (not printed) * when this setting is on and time/date print is set...

  • Page 148

    Of5750/5950 series january 2001 2 - 41 no. Item specifications 08 tel/fax switch 09 mdy/dmy 10 long doc. Scan 11 tone for echo 07 real time dial table 2.9.2.3 technical functions: setup (3/11) determine whether real-time dialing is enabled. If it is enabled, determine when it will be enabled. 1) set...

  • Page 149

    Of5750/5950 series january 2001 2 - 42 16 t2 timer *100ms no. Item specifications 14 t1 (tx) timer value 15 t1 (rx) timer value 12 mh only 13 h/modem rate table 2.9.2.3 technical functions: setup (4/11) determine whether only mh coding is to be handled forcibly. This setting is required when the lin...

  • Page 150

    Of5750/5950 series january 2001 2 - 43 no. Item specifications 19 off hook bypass 20 nl equalizer 21 attenuator 17 dis bit32 18 error criterion table 2.9.2.3 technical functions: setup (5/11) determine whether the thirty-second bit (expansion bit) and the succeeding bit 32 of dis is to be sent out. ...

  • Page 151

    Of5750/5950 series january 2001 2 - 44 no. Item specifications 22 t/f tone attenuator (for tel/fax switch) 23 mf attenuator 24 ring dura. *10ms 25 cml timing *100ms table 2.9.2.3 technical functions: setup (6/11) set the t/f pseudo ring back tone signal attenuator (level). 1) setting values 0-15 db ...

  • Page 152

    Of5750/5950 series january 2001 2 - 45 no. Item specifications 26 led head strobe 085 080-084 074+079 070-073 065-069 061-064 058-060 053-057 050-052 047-049 044-046 041-043 038-040 033-035 031-032 029-030 027-028 -026 036-037 rank marking setting msb 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 ...

  • Page 153

    Of5750/5950 series january 2001 2 - 46 27 media type 28 tr (transfer roller) latch current 29 v34 tx retry 30 symbol ratre no. Item specifications 31 nsf switch 32 id/tsi priority * shaded combinations do not exist actually. Id/tsi priority=id tx rx tx rx id/tsi priority=tsi personal id personal id ...

  • Page 154

    Of5750/5950 series january 2001 2 - 47 35 print priority no. Item specifications 33 toner count clear 34 parallel pick up counter display counter clear service bit service bit remarks off on off on drum total print scan can be replaced by user display clear various counters drum can be replaced by u...

  • Page 155

    Of5750/5950 series january 2001 2 - 48 38 jbig facility no. Item specifications 39 llc check 40 g3/g4 learning 42 gateway service 43 email maintenance table 2.9.2.3 technical functions: setup (10/11) sets up whether to make fax2net related operation. 1) setting value on: fax2net related operation is...

  • Page 156

    Of5750/5950 series january 2001 2 - 49 no. Item specifications 45 command t.O. Table 2.9.2.3 technical functions: setup (11/11) registers email address of fax administrator. To be used for the address when fax sends any information to the administrator via email. 1) email address of administrator re...

  • Page 157

    Of5750/5950 series january 2001 2 - 50 2.9.2.4 tel/fax automatic switching this function is used for the purpose of tel/fax automatic switching as follows. 1) if the machine detects a call with a cng signal indicating an auto send facsimile call, it starts an automatic document receiving operation. ...

  • Page 158

    Of5750/5950 series january 2001 2 - 51 telephone call or manual transmission calling party called party (tel/fax mode) ringing ced nsf, csi, dis dcn cml"off" load document press start button manual transmission cml on 2.1 sec tel/fax automatic switch over time (20/35 sec) *2 *3 cng detection period ...

  • Page 159

    Of5750/5950 series january 2001 2 - 52 *1 to enable the manual tx mode. Load document ∅ press start button ∅ manual transmission telephone call or manual transmission calling party called party (tad) ringing ced nsf, csi, dis cml on 2.1s indication of lcd message from answer machine to record your m...

  • Page 160

    Of5750/5950 series january 2001 2 - 53 • tad mode flow chart 1) in case of type2: if the fax does not cng signal during working of tad, the fax will go to standby state. 2) in case of type 3: the fax does not detect cng signal during 15 seconds from tad operation starting. The fax starts cng signal ...

  • Page 161

    Of5750/5950 series january 2001 2 - 54 fax (okifax 5750/5950 etc.) to modem sw line remote control a b 2.9.2.6 outline of parallel pick up parallel pick up is a function that controls a fax (to make a fax in receive mode) from a tele- phone set connected parallel to a fax. The two possible parallel ...

  • Page 162

    Of5750/5950 ser ies j a nuar y 2001 2 - 55 ar 1 , ar 2 arresters tel1 tel2 line mf 2-digit special code 1 db1 ic5 ic7 dp dc circuit b rl3 4 3 sw s3 h mute 0 9 cml 7 8 sr i sw s1 - 3~6 ring detector c31 r590 c11 t1 e impedance matching nt 5 g cn15 ~ cn45 receiving sensitivity adj rl6 a r rp s ri oh2 ...

  • Page 163

    Of5750/5950 series january 2001 2 - 56 2.9.3 user’s functions this section explains the items usually set up by general users. • select menu is shown as below: 1. Delayed tx 2. Delayed batch tx 3. Priotity tx 4. Confidential tx 5. Relayinitiate tx 6. Internet tx 7. Polling tx/rx 8. Fax2net service 9...

  • Page 164

    Of5750/5950 series january 2001 2 - 57 menu selection given below are the sections to refer to when selecting user functions. M e n u 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i n t print from memory ↑ key ↓ key enter/ → key m e n u 7 p o l l i n g t x / r x...

  • Page 165

    Of5750/5950 series january 2001 2 - 58 2.9.4 location program 1) the machine is standby state with no document. 2) press the menuexit key once. 3) press the shift down ( ¬ ) key two times. 4) the menu option “9 location program” indicated by the blinking cursor is selected, and press the enter/shift...

  • Page 166

    Of5750/5950 series january 2001 2 - 59 l o c a t i o n p r o g r a m 1 > s p e e d d i a l 2 g r o u p 3 b a t c h t x t i m e m e m u 8 r e p o r t p r i n t 9 > l o c a t i o n p r o g r a m 1 0 s e t u p enter/ → key enter/ → key ↓ key ↑ key speed dial l o c a t i o n p r o g r a m 1 s p e e d d ...

  • Page 167

    Of5750/5950 series january 2001 2 - 60 table 2.9.4.1 location program (1/5) no. Item specifications 1 speed dial register speed dial number. In one of the speed dial, tel no./email address/web url can be registered exclusively any one. However, email address and web url can be registered only in the...

  • Page 168

    Of5750/5950 series january 2001 2 - 61 no. Item specifications g4 mode: request the network unlimited digital transfer for transmitting in g4 mode when calling with speed dial. G3 mode: requests the network 3.1 khz audio transfer to transmit in g3 mode when calling with speed dial. 2) email address ...

  • Page 169

    Of5750/5950 series january 2001 2 - 62 3 batch tx time no. Item specifications 2 group table 2.9.4.1 location program (3/5) register group dials. (only the speed dials to which a location address is assigned can be registered.) 1) number of group dials that can be registered okifax5750: 20 groups (1...

  • Page 170

    Of5750/5950 series january 2001 2 - 63 no. Item specifications 4 forwarding no. 5 forwarding on p-err. 6 relay report no. Table 2.9.4.1 location program (4/5) specify the destination of forwarding for incoming call. When the transfer destination telephone number is set, fwd can be specified in the a...

  • Page 171

    Of5750/5950 series january 2001 2 - 64 no. Item specifications 7 fax network prg. Table 2.9.4.1 location program (5/5) make settings concerning fax2net service. 1) set values this setting consists of the following three settings: • server no. Telephone number of fax2net server to be used. When setti...

  • Page 172

    Of5750/5950 series january 2001 2 - 65 2.9.5 setup 1) the machine is standby state with no document. 2) press the menu key once. 3) press the shift down ( ¬ ) key three times. 4) the menu option “10 setup” indicated by the blinking cursor is selected, and press the enter/shift right ( ∅ ) key. 5) th...

  • Page 173

    Of5750/5950 series january 2001 2 - 66 m e n u 9 l o c a t i o n p r o g r a m 1 0 > s e t u p 1 1 c o u n t e r s e t u p 1 > c l o c k a d j u s t m e n t 2 i d / p a s s w o r d p r g . 3 m a c h i n e s e t t i n g s 2.9.5.1 clock adjust enter/ → key enter/ → key ↑ key ↓ key s e t u p 1 c l o c ...

  • Page 174

    Of5750/5950 series january 2001 2 - 67 2.9.5.1 clock adjustment s e t u p 1 > c l o c k a d j u s t m e n t 2 i d / p a s s w o r d p r g . 3 m a c h i n e s e t t i n g s m e n u 0 0 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i n t 0 0 c l o c k a d j u s t ...

  • Page 175

    Of5750/5950 series january 2001 2 - 68 2.9.5.2 id/password programming: the kinds of data programming are: 01: tsi/csi 02: tsi/csi option 03: sender id 04: personal box 05: mem. Password 06: restrict id 07: isdn tid (country code/isdn no./isdn id) 08: isdn sub no. * for operation and registration, s...

  • Page 176

    Of5750/5950 series january 2001 2 - 69 i d / p a s s w o r d p r g . 0 1 > t s i / c s i 0 2 t s i / c s i o p t i o n 0 3 s e n d e r i d s e t u p 1 c l o c k a d j u s t m e n t 2 > i d / p a s s w o r d p r g . 3 m a c h i n e s e t t i n g s m e n u x x 8 f a x 2 n e t s e r v i c e 9 > p r i n...

  • Page 177

    Of5750/5950 series january 2001 2 - 70 2.9.5.2.1 tsi/csi this function is used to register the tsi/csi. I d / p a s s w o r d p r g . 0 1 > t s i / c s i 0 2 t s i / c s i o p t i o n 0 3 s e n d e r i d m e n u 0 1 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r ...

  • Page 178

    Of5750/5950 series january 2001 2 - 71 2.9.5.2.2 tsi/csi option i d / p a s s w o r d p r g . 0 1 t s i / c s i 0 2 > t s i / c s i o p t i o n 0 3 s e n d e r i d m e n u 0 2 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i n t 0 2 t s i / c s i o p t i o n _ 0 ...

  • Page 179

    Of5750/5950 series january 2001 2 - 72 2.9.5.2.3 sender id this function is used to register a sender id. I d / p a s s w o r d p r g . 0 2 t s i / c s i 0 3 > s e n d e r i d 0 4 p e r s o n a l b o x m e n u 0 2 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i ...

  • Page 180

    Of5750/5950 series january 2001 2 - 73 2.9.5.2.4 isdn tid this function is used to set a terminal id. I d / p a s s w o r d p r g . 0 6 r e s t r i c t i d 0 7 > i s d n t i d 0 8 i s d n s u b n o . 0 7 i s d n t i d c o u n t r y c o d e : [ _ ] e n t e r 0 - 9 0 7 i s d n t i d c o u n t r y c o ...

  • Page 181

    Of5750/5950 series january 2001 2 - 74 0 7 i s d n t i d i s d n i d : [ _ ] e n t e r i d 0 7 i s d n t i d i s d n i d : [ o k i d a t a ] e n t e r w h e n d o n e 0 7 i s d n t i d i s d n i d : [ o k i d a t a _ ] e n t e r w h e n d o n e i d / p a s s w o r d p r g . 0 6 r e s t r i c t i d 0...

  • Page 182

    Of5750/5950 series january 2001 2 - 75 2.9.5.2.5 isdn sub no. This function is used to set a sub address. I d / p a s s w o r d p r g . 0 6 r e s t r i c t i d 0 7 i s d n t i d 0 8 > i s d n s u b n o . 0 8 i s d n s u b n o . _ e n t e r 0 - 9 0 8 i s d n s u b n o . 1 2 3 4 5 6 7 8 9 0 _ e n t e ...

  • Page 183

    Of5750/5950 series january 2001 2 - 76 table 2.9.5.2 id/password prg. (1/4) no. Item specifications 01 tsi/csi 03 sender id register a tsi/csi (local telephone number). 1) number of characters used to register a tsi/csi 20 characters (ten-keys 0-9/hyphen (+)/space/+) * the setting data must be trans...

  • Page 184

    Of5750/5950 series january 2001 2 - 77 no. Item specifications table 2.9.5.2 id/password prg. (2/4) 4) relay broadcast box for relay broadcasting. Handles personal box number as the relay group number. Register password and the group address (relay broadcast address) when opening the relay broadcast...

  • Page 185

    Of5750/5950 series january 2001 2 - 78 handling in g3 mode handling in g4 mode not used switching in standard procedure. Used for location display. Used for tsi/cil printing. Isdn no. Is used for collating closed area communication. In case of origination, the isdn number if used for reporting the c...

  • Page 186

    Of5750/5950 series january 2001 2 - 79 no. Item specifications 08 isdn sub no. Handling in g3 mode handling in g4 mode used for sub collation. Table 2.9.5.2 id/password prg. (4/4) set a sub address. 1) setting values 19 characters (digits only) * this setting can be made when isdn option is provided...

  • Page 187

    Of5750/5950 series january 2001 2 - 80 2.9.5.3 machine settings usually set up by users 10: auto answer mode (fax/tel/t/f/tad/mem/pc/fwd) 11: monitor volume (off/low/mid./high-mid./high) 12: buzzer volume (low/middle/high) 13: user language (english/other) 14: remote diagnosis (off/on) 15: tx mode d...

  • Page 188

    Of5750/5950 series january 2001 2 - 81 s e t u p 2 i d / p a s s w o r d p r g . 3 > m a c h i n e s e t t i n g s 4 d i a l o p t i o n s m e n u x x 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i n t m a c h i n e s e t t i n g s 1 0 > a u t o a n s w e r m o...

  • Page 189

    Of5750/5950 series january 2001 2 - 82 m a c h i n e s e t t i n g s 1 5 t x m o d e d e f a u l t 1 6 > n o t o n e r m e m . R x 1 7 m e m . F u l l s a v e m a c h i n e s e t t i n g s 1 6 n o t o n e r m e m . R x 1 7 > m e m . F u l l s a v e 1 8 i n s t a n t d i a l m a c h i n e s e t t i n...

  • Page 190

    Of5750/5950 series january 2001 2 - 83 m a c h i n e s e t t i n g s 2 2 t o n e r s a v e 2 3 > s e n d e r i d 2 4 1 ’ s t p a p e r s i z e m a c h i n e s e t t i n g s 2 3 s e n d e r i d 2 4 > 1 ’ s t p a p e r s i z e 2 5 2 ’ n d p a p e r s i z e m a c h i n e s e t t i n g s 2 4 1 ’ s t p a...

  • Page 191

    Of5750/5950 series january 2001 2 - 84 m a c h i n e s e t t i n g s 2 9 i s d n d i a l m o d e 3 0 > s p e e c h r e c e i v e 3 1 o p t i o n l i n e t y p e *4) 3 0 s p e e c h r e c e i v e > o f f o n enter/ → key enter key off on "30" ↑ key ↑ key m a c h i n e s e t t i n g s 2 9 i s d n d i ...

  • Page 192

    Of5750/5950 series january 2001 2 - 85 2.9.5.3.1 auto answer mode this function is used to set up the auto answer mode. M a c h i n e s e t t i n g s 1 0 > a u t o a n s w e r m o d e 1 1 m o n i t o r v o l u m e 1 2 b u z z e r v o l u m e 1 0 a u t o a n s w e r m o d e > f a x : a u t o r e c e ...

  • Page 193

    Of5750/5950 series january 2001 2 - 86 2.9.5.3.2 tx mode default this function is used to set default values for the transmission mode selected with a document set in the feeder. M a c h i n e s e t t i n g s 1 4 r e m o t e d i a g n o s i s 1 5 > t x m o d e d e f a u l t 1 6 n o t o n e r m e m ....

  • Page 194

    Of5750/5950 series january 2001 2 - 87 table 2.9.5.3 machine settings (1/6) default values are defined by default type. For details, see machine default setting. The setting data must be transferred to the g3 option. (excluding isdn dial mode and speech receive) no. Item specifications 10 auto answe...

  • Page 195

    Of5750/5950 series january 2001 2 - 88 no. Item specifications 13 user language 14 remote diagnosis 15 tx mode default 16 no toner mem. Rx 12 buzzer volume table 2.9.5.3 machine settings (2/6) set the buzzer volume (communication end or off-hook alarm). 1) setting values low/middle/high * the key to...

  • Page 196

    Of5750/5950 series january 2001 2 - 89 no. Item specifications 18 instant dial 19 restrict access 20 ecm function 17 mem. Full save table 2.9.5.3 machine settings (3/6) when the memory becomes full during read, the operator must determine whether the read pages are to be saved or canceled. Determine...

  • Page 197

    Of5750/5950 series january 2001 2 - 90 no. Item specifications 22 toner save 23 sender id 24 1'st paper size 25 2'nd paper size 21 closed network table 2.9.5.3 machine settings (4/6) set up closed network. The tsi/csi of the remote machine is compared with the low- order 4 digits of the speed dial o...

  • Page 198

    Of5750/5950 series january 2001 2 - 91 no. Item specifications 27 relay print 26 power save mode 28 600dpi function table 2.9.5.3 machine settings (5/6) determine whether the current mode is to be switched to the power save mode. The power supply will be fed to all circuits of a fax machine whenever...

  • Page 199

    Of5750/5950 series january 2001 2 - 92 no. Item specifications 30 speech receive 31 option line type table 2.9.5.3 machine settings (6/6) determine whether the incoming call is answered when the information transmission capacity instracted by the network is voice transmission. 1) setting values on (...

  • Page 200

    Of5750/5950 series january 2001 2 - 93 2.9.5.4 dial options line condition settings 40: redial tries (0 to 10 tries; except fra) (1 to 5 tries for fra) 41: redial interval (1 to 6 minutes; except fra) (1 to 12 minutes for fra) 42: auto start (off/on) 43: dial tone detect (off/on) 44: busy tone detec...

  • Page 201

    Of5750/5950 series january 2001 2 - 94 s e t u p 3 m a c h i n e s e t t i n g s 4 > d i a l o p t i o n s 5 i n c o m i n g o p t i o n s m e n u x x 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i n t d i a l o p t i o n s 4 0 > r e d i a l t r i e s 4 1 r e d...

  • Page 202

    Of5750/5950 series january 2001 2 - 95 d i a l o p t i o n s 4 6 p u l s e d i a l r a t e 4 7 > p u l s e m a k e r a t i o 4 8 p u l s e d i a l t y p e d i a l o p t i o n s 4 7 p u l s e m a k e r a t i o 4 8 > p u l s e d i a l t y p e 4 9 m f ( t o n e ) d u r a t i o n d i a l o p t i o n s 4...

  • Page 203

    Of5750/5950 series january 2001 2 - 96 2.9.5.4.1 redial tries this function is used to set the number of redial tries. D i a l o p t i o n s 4 0 > r e d i a l t r i e s 4 1 r e d i a l i n t e r v a l 4 2 a u t o s t a r t 4 0 r e d i a l t r i e s v a l u e : 0 - 1 0 [ _ ] t r i e s e n t e r w h e...

  • Page 204

    Of5750/5950 series january 2001 2 - 97 2.9.5.4.2 redial interval this function is used to set an auto redial interval. D i a l o p t i o n s 4 0 r e d i a l t r i e s 4 1 > r e d i a l i n t e r v a l 4 2 a u t o s t a r t 4 1 r e d i a l i n t e r v a l v a l u e : 1 - 6 [ ] i n t e r v a l e n t e...

  • Page 205

    Of5750/5950 series january 2001 2 - 98 2.9.5.4.3 dial prefix this function is used to set the access digits for connecting a pbx line to the public line. D i a l o p t i o n s 5 0 p b x l i n e 5 1 f l s / e a r t h / n o r m a l 5 2 > d i a l p r e f i x m e n u 5 2 8 f a x 2 n e t s e r v i c e 9 ...

  • Page 206

    Of5750/5950 series january 2001 2 - 99 table 2.9.5.4 dial options (1/3) setting values are defined for each country code. For more details, see section 2.9.6, “defaults.” the setting data must be transferred to the g3 option. No. Item specifications 40 redial tries 41 redial interval 42 auto start s...

  • Page 207

    Of5750/5950 series january 2001 2 - 100 no. Item specifications 47 pulse make ratio 48 pulse dial type 49 mf (tone) duration 46 pulse dial rate table 2.9.5.4 dial options (2/3) determine a dp pulse rate used at call origination. 1) setting values 10pps/16pps/20pps selectable * selection is skipped o...

  • Page 208

    Of5750/5950 series january 2001 2 - 101 51 fls/earth/normal 52 dial prefix no. Item specifications table 2.9.5.4 dial options (3/3) set the method of switching between flash and earth modes for pbx line. 1) setting values normal/flash/earth selectable (pbx line origination types) * selection is skip...

  • Page 209

    Of5750/5950 series january 2001 2 - 102 2.9.5.5 incoming options incoming line condition settings 60: incoming ring (on/off/drc) 61: remote receive (off/00/11/22/33/44/55/66/77/88/99/**/##) 62: t/f timer prg. (20sec/35sec) 63: continuous tone (off/on) 64: pc/fax switch (off/on) 65: cng count (1-5) (...

  • Page 210

    Of5750/5950 series january 2001 2 - 103 s e t u p 4 d i a l o p t i o n s 5 > i n c o m i n g o p t i o n s 6 r e p o r t o p t i o n s m e n u x x 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i n t i n c o m i n g o p t i o n s 6 0 > i n c o m i n g r i n g 6 ...

  • Page 211

    Of5750/5950 series january 2001 2 - 104 i n c o m i n g o p t i o n s 6 5 c n g c o u n t 6 6 > r i n g r e s p o n s e 6 7 d i s t i n c t i v e r i n g *1 *1 6 6 r i n g r e s p o n s e > 1 r i n g 5 s e c 1 0 s e c enter/ → key enter key 1ring 5sec 10sec 15sec 20sec "66" ↑ key ↑ key i n c o m i n...

  • Page 212

    Of5750/5950 series january 2001 2 - 105 2.9.5.5.1 cng count i n c o m i n g o p t i o n s 6 4 p c / f a x s w i t c h 6 5 > c n g c o u n t 6 6 r i n g r e s p o n s e 6 5 c n g c o u n t v a l u e : 1 - 5 [ 1 ] c o u n t e n t e r w h e n d o n e 6 5 c n g c o u n t v a l u e : 1 - 5 [ 3 ] c o u n ...

  • Page 213

    Of5750/5950 series january 2001 2 - 106 2.9.5.5.2 distinctive ring this function is used to make settings for distinctive ring learning (remembrance) and detec- tion. I n c o m i n g o p t i o n s 6 5 c n g c o u n t 6 6 r i n g r e s p o n c e 6 7 > d i s t i n c t i v e r i n g 6 7 d i s t i n c t...

  • Page 214

    Of5750/5950 series january 2001 2 - 107 table 2.9.5.5 incoming options (1/3) setting values are defined for each default type. For more details, see incoming default settings. The setting data must be transferred to the g3 option side. No. Item specifications 60 incoming ring 61 remote receive set u...

  • Page 215

    Of5750/5950 series january 2001 2 - 108 63 continuous tone 64 pc/fax switch 66 ring response no. Item specifications 65 cng count 62 t/f timer prg. Table 2.9.5.5 incoming options (2/3) set the time till start of automatic reception when the operator has performed no operation for the call terminated...

  • Page 216

    Of5750/5950 series january 2001 2 - 109 no. Item specifications 67 distinctive ring determine whether a distinctive is to be remembered and de- tected. Only in ger, sui, and aut modes, off is set as the default. When on is selected, reception operation starts only when a remembered ring pattern is d...

  • Page 217

    Of5750/5950 series january 2001 2 - 110 2.9.5.6 report options the report print allows selecting 4 items shown below. 70: mcf. (single-loc.) (off/on) 71: mcf, (multi-loc.) (off/on) 72: image in mcf. (off/on) 73: error report (mcf.) (off/on) see table 2.9.5.6 report options for the detail. S e t u p ...

  • Page 218

    Of5750/5950 series january 2001 2 - 111 table 2.9.5.6 report options setting values are defined for each default type. For more details, see section 2.9.6, “defaults.” the setting data must be transferred to the g3 option side. No. Item specifications 70 mcf. (single-loc.) 71 mcf. (multi-loc.) 72 im...

  • Page 219

    Of5750/5950 series january 2001 2 - 112 2.9.5.7 lan options the kinds of setting are: 80: auto tray sw. (off/on) 81: paper size check (off/on) 82: lan print t.O. (5sec/30sec/5min) 83: pop interval (0 to 60) (intervals of 1 min) 84: delete pop msg. (off/type1/type2) 85: time between gmt (-12/-11/-10/...

  • Page 220

    Of5750/5950 series january 2001 2 - 113 s e t u p 5 i n c o m i n g o p t i o n s 6 r e p o r t o p t i o n s 7 > l a n o p t i o n s m e n u x x 8 f a x 2 n e t s e r v i c e 9 > p r i n t f r o m m e m o r y 1 0 r e p o r t p r i n t l a n o p t i o n s 8 0 > a u t o t r a y s w . 8 1 p a p e r s ...

  • Page 221

    Of5750/5950 series january 2001 2 - 114 l a n o p t i o n s 8 7 h e a d e r p r i n t 8 8 > c o d i n g m o d e 8 9 e x . F i n e m o d e l a n o p t i o n s 8 8 c o d i n g m o d e 8 9 > e x . F i n e m o d e 9 0 i f a x s e n d e r i d l a n o p t i o n s 8 9 e x . F i n e m o d e 9 0 > i f a x s ...

  • Page 222

    Of5750/5950 series january 2001 2 - 115 l a n o p t i o n s 8 2 l a n p r i n t t . O . 8 3 > p o p i n t e r v a l 8 4 d e l e t e p o p m s g . 8 3 p o p i n t e r v a l v a l u e : 0 - 6 0 [ 1 0 ] m i n e n t e r w h e n d o n e 8 3 p o p i n t e r v a l v a l u e : 0 - 6 0 [ 6 0 ] m i n e n t e ...

  • Page 223

    Of5750/5950 series january 2001 2 - 116 2.9.5.7.2 domain name l a n o p t i o n s 8 9 e x . F i n e m o d e 9 0 > d o m a i n n a m e 9 1 m d n 9 0 d o m a i n n a m e 1 > s n o d t 2 . T a k a . O k i d a t 2 3 enter/ → key ↓ key enter key enter key 9 0 d o m a i n n a m e n o . 1 : c a p s o f f s...

  • Page 224

    Of5750/5950 series january 2001 2 - 117 2.9.5.7.3 network settings l a n o p t i o n s 9 1 d o m a i n n a m e 9 2 m d n 9 3 > n e t w o r k s e t t i n g s 9 3 n e t w o r k s e t t i n g s 1 > i p a d d r e s s 2 s u b n e t m a s k 3 d e f a u l t g a t e w a y enter/ → key enter/ → key 2.9.5.7.3...

  • Page 225

    Of5750/5950 series january 2001 2 - 118 ↓ key ↑ key 9 3 n e t w o r k s e t t i n g s 7 p o p p a s s w o r d 8 > d n s p . S r v a d d r . 9 d n s s . S r v a d d r . Enter/ → key 2.9.5.7.3.10 dns p.Srv addr. *1/*2 ↓ key ↑ key 9 3 n e t w o r k s e t t i n g s 8 d n s p . S r v a d d r . 9 > d n s ...

  • Page 226

    Of5750/5950 series january 2001 2 - 119 2.9.5.7.3.1 ip address this function is used to display the ip address from the nic, confirm the data from the termi- nal, and change settings. 9 3 n e t w o r k s e t t i n g s 1 > i p a d d r e s s 2 s u b n e t m a s k 3 d e f a u l t g a t e w a y i p a d ...

  • Page 227

    Of5750/5950 series january 2001 2 - 120 i p a d d r e s s [ 2 0 _ . 0 . 0 . 0 ] e n t e r w h e n d o n e i p a d d r e s s [ 2 0 3 . 0 . 0 . 0 ] e n t e r w h e n d o n e i p a d d r e s s [ 2 0 _ . 0 . 0 . 0 ] e n t e r w h e n d o n e i p a d d r e s s [ 2 0 . 0 . 0 . 0 ] e n t e r w h e n d o n ...

  • Page 228

    Of5750/5950 series january 2001 2 - 121 2.9.5.7.3.2 subnet mask this function is used to display the sub net address from nic, confirm the data from the terminal, and change settings. 9 3 n e t w o r k s e t t i n g s 1 i p a d d r e s s 2 > s u b n e t m a s k 3 d e f a u l t g a t e w a y s u b n ...

  • Page 229

    Of5750/5950 series january 2001 2 - 122 2.9.5.7.3.3 default gateway this function is used to display the gateway address from nic, confirm the data from the terminal, and change settings (nic option setting). 9 3 n e t w o r k s e t t i n g s 2 s u b n e t m a s k 3 > d e f a u l t g a t e w a y 4 s...

  • Page 230

    Of5750/5950 series january 2001 2 - 123 2.9.5.7.3.4 smtp server name 9 3 n e t w o r k s e t t i n g s 3 d e f a u l t g a t e w a y 4 > s m t p s e r v e r n a m e 5 p o p s e r v e r n a m e s m t p s e r v e r n a m e c a p s o f f s m t p s e r v e r n a m e c a p s o f f s n o d t 2 . T a k a ....

  • Page 231

    Of5750/5950 series january 2001 2 - 124 2.9.5.7.3.5 pop server name 9 3 n e t w o r k s e t t i n g s 4 p o p s e r v e r n a m e 5 > p o p s e r v e r n a m e 6 p o p u s e r i d p o p s e r v e r n a m e c a p s o f f p o p s e r v e r n a m e c a p s o f f s n o d t 2 . T a k a . O k i d a t a . ...

  • Page 232

    Of5750/5950 series january 2001 2 - 125 2.9.5.7.3.6 pop user id 9 3 n e t w o r k s e t t i n g s 5 p o p s e r v e r n a m e 6 > p o p u s e r i d 7 p o p p a s s w o r d p o p u s e r i d c a p s o f f e n t e r i d p o p u s e r i d c a p s o f f o k i d a t a _ s y s t e m s _ e n t e r w h e n ...

  • Page 233

    Of5750/5950 series january 2001 2 - 126 2.9.5.7.3.7 pop password 9 3 n e t w o r k s e t t i n g s 6 p o p u s e r i d 7 > p o p p a s s w o r d 8 d n s p . S r v a d d r . P o p p a s s w o r d c a p s o f f e n t e r i d p o p p a s s w o r d r w b 1 1 2 3 o k i d a t a _ e n t e r w h e n d o n e...

  • Page 234

    Of5750/5950 series january 2001 2 - 127 2.9.5.7.3.8 dns p.Srv addr. 9 3 n e t w o r k s e t t i n g s 7 p o p p a s s w o r d 8 > d n s p . S r v a d d r . 9 d n s s . S r v a d d r . D n s p . S r v a d d r . [ 2 0 6 . 1 8 1 . 2 3 3 . 2 ] e n t e r w h e n d o n e d n s p . S r v a d d r . [ 2 0 6 ...

  • Page 235

    Of5750/5950 series january 2001 2 - 128 2.9.5.7.3.9 dns s.Srv addr. 9 3 n e t w o r k s e t t i n g s 8 d n s p . S r v a d d r . 9 > d n s s . S r v a d d r . 1 0 h o s t n a m e d n s s . S r v a d d r . [ 2 0 6 . 1 8 1 . 2 3 3 . 2 ] e n t e r w h e n d o n e d n s s . S r v a d d r . [ 2 0 6 . 1 ...

  • Page 236

    Of5750/5950 series january 2001 2 - 129 9 3 n e t w o r k s e t t i n g s 9 d n s s . S r v a d d r . 1 0 > h o s t n a m e 1 1 f a x e m a i l a d d r . H o s t n a m e c a p s o f f h o s t n a m e c a p s o f f s n o d t 2 . T a k a . O k i d a t a . C o . J p enter no enter entered enter/ → key ...

  • Page 237

    Of5750/5950 series january 2001 2 - 130 9 3 n e t w o r k s e t t i n g s 1 0 h o s t n a m e 1 1 > f a x e m a i l a d d r . 1 2 d s n f a x e m a i l a d d r . C a p s o f f f a x e m a i l a d d r . C a p s o f f i d a t a _ s y s t e m s @ s n o d t 2 . T a k a . O k i d a t a . C o . J p _ ente...

  • Page 238

    Of5750/5950 series january 2001 2 - 131 table 2.9.5.7 lan options (1/5) setting values are defined for each default type. The settings listed below can be made only when a lan option is installed. When it is not installed, none of lan-related setup items can be selected. None of them can be selected...

  • Page 239

    Of5750/5950 series january 2001 2 - 132 no. Item specifications 84 delete pop msg. 85 time between gmt 86 text print 87 header print 88 coding mode 89 ex.Fine mode 90 ifax sender id table 2.9.5.7 lan options (2/5) sets up whether to delete received mail from the mail server. 1) setting value off/typ...

  • Page 240

    Of5750/5950 series january 2001 2 - 133 no. Item specifications 91 domain name 92 mdn 93 network settings table 2.9.5.7 lan options (3/5) registers receivable domain names (5 types). Receiving operation follows only when the email address coincides with any one of the domain names registered to this...

  • Page 241

    Of5750/5950 series january 2001 2 - 134 no. Item specifications 1: ip address 2: subnet mask 3: default gateway 4: smtp server name table 2.9.5.7 lan options (4/5) display the ip address from the nic, check the data from the terminal, and change the setting. 1) setting values 32 bits are divided int...

  • Page 242

    Of5750/5950 series january 2001 2 - 135 no. Item specifications 7: pop password 8: dns p.Srv addr. 9: dns s.Srv addr. 10: host name 11: fax email addr. Table 2.9.5.7 lan options (5/5) registers password for using pop3 mail server. 1) pop3 password registration number of digit 16 digits (input-enable...

  • Page 243

    Of5750/5950 ser ies j a n uar y 2001 2 - 136 no machine settings 10 auto answer mode fax/tel/t/f/tad/mem/pc/fwd 11 monitor volume off/low / mid. / high-mid. / high 12 buzzer volume low / mid / high 13 user language lng1 / lng2 14 remote diagnosis on / off 15 tx mode default standard / fine / extra f...

  • Page 244

    Of5750/5950 ser ies j a n uar y 2001 2 - 137 no lan options 80 auto tray sw. On / off 81 paper size check on / off 82 lan print t.O. 5sec / 30sec / 5min 83 pop interval 0 - 60 min 84 delete pop msg. Off/type1/type2 85 time between gmt -12h/-11h/-10h/-9h/ ... /+9h/+10h/+11h/+12h 86 text print on / of...

  • Page 245

    Of5750/5950 ser ies j a n uar y 2001 2 - 138 40 redial tries 0 - 10 tries 1 3 2 2 5 10 3 5 10 10 2 2 10 10 41 redial interval 1 - 6 min 3 3 3 3 2 3 3 3 1 1 3 3 1 1 42 auto start on / off on off off off on on on on on on off off on on 43 dial tone detect on / off off on on on on on on on on on on on ...

  • Page 246

    Of5750/5950 ser ies j a n uar y 2001 2 - 139 1 oda setting selection technical setting items no 2 lta 3 e-int 4 e-ger 5 e-fre 6 o-aus 7 o-nzl 8 o-sin 9 o-hng 10 l-ag 11 irl 12 den 13 swe 14 nor 15 sui 16 aut 17 hol 18 ita 19 esp 20 spare (21) factory note by ptt parameter by ptt parameter base timer...

  • Page 247

    Of5750/5950 ser ies j a n uar y 2001 2 - 140 e-xxx=oel-xxx , co-xxx=oki-xxx , cl-xxx=lanier-xxx note: as for the setting of the part of mesh, default-data does'nt exist in the default-file. This setting has the data which are characteristic of the device. Un-registration the outside of the object of...

  • Page 248

    Of5750/5950 series january 2001 2 - 141 2.9.9 off-line tests (1) purpose activate self-diagnosis which includes: 1) main board • cpu rom version printing • cpu ram check • prog version printing • language version printing • default version printing • modem version printing • ram check • ram check (o...

  • Page 249

    Of5750/5950 series january 2001 2 - 142 2.9.9.1 self diagnosis flow to check roms, rams and printing function. Test report will be automatically printed out. L o c a l t e s t 1 > s e l f d i a g n o s i s 2 s e n s . C a l i b r a t i o n 3 l e d t e s t s e l f d i a g n o s i s c p u : x x x x p ...

  • Page 250

    Of5750/5950 series january 2001 2 - 143 self diagnosis report 12/24/1999 12:00 id=0dc takasaki main board cpu-rom version aaaa hash ok hhhh cpu-ram ok program1 version aaaa hash ok hhhh program2 version aaaa hash ok hhhh language version aaaa hash ok hhhh default version aaaa hash ok hhhh default ty...

  • Page 251

    Of5750/5950 series january 2001 2 - 144 2.9.9.2 self diagnosis report purpose: to check roms, rams and printing function method: the report will be manually printed out for maintenance purpose. 2.9.9.2.1 difference from okifax5700/5900 (*1 to *3 coincide with the notes on the example of the report i...

  • Page 252

    Of5750/5950 series january 2001 2 - 145 2.9.10 on-line tests 1. Transmission (1) load documents (2) make sure that • the loaded documents are fed in automatically. • the std and normal lamps light. • the display shows select location(s) or press copy. (3) dial the telephone number of the remote mach...

  • Page 253

    Of5750/5950 series january 2001 2 - 146 figure 2.9.10.1 typical transmission flow (standby) ( load document(s), select resolution mode) auto dialing ? Dis received? Csi & personal id received? Message transmission completed? Received response? Which mode? No yes keypad dial three-digit speed dial co...

  • Page 254

    Of5750/5950 series january 2001 2 - 147 figure 2.9.10.2 typical reception flow auto receive mode? Tsi & personal id received? Message reception completed? Received dcn? No yes manual receive mode no only tsi yes yes no yes no example ( about 1 sec.) ( standby) no yes off-hook and conversation press ...

  • Page 255

    Of5750/5950 series january 2001 2 - 148 2.10 installation of optional units 2.10.1 optional units (1) items • memory exp. Board-ra1-/-2/-3 • board-g4a • board-lan • g3 dual-line - board-g3a - board-dm2 - board-unc/wn5/dn5/fn5 • 2nd tray unit (2) procedure • turn the facsimile power switch off and re...

  • Page 256

    Of5750/5950 series january 2001 2 - 149 2.10.2 memory board installation instruction 1. Turn the facsimile power switch off and remove the ac power cord. Note: unplug the ac power cord from the wall outlet first and then from the facsimile. Ac inlet power switch ac power cord exchange line cable g3 ...

  • Page 257

    Of5750/5950 series january 2001 2 - 150 3. Remove cover-rear, plate-rear cover-rear plate-rear 4. Connect memory board memory board 5. Attach plate-rear and cover-rear..

  • Page 258

    Of5750/5950 series january 2001 2 - 151 2.10.3 network card installation instruction 1. Remove cover-rear, plate-rear and 2 piece of plate-dummy. Cover-rear plate-rear plate-dummy 2. Connect network card with adapter board, then, mount it into the room. In case of g4 board application, exchange abov...

  • Page 259

    Of5750/5950 series january 2001 2 - 152 2.10.4 g4 board installation instruction 1. Remove cover-rear, plate-rear and plate-dummy. Caution: remove only lower plate-dummy. Cover-rear plate-rear plate-dummy 2. Mount g4 board. G4 board 3. Attach plate-rear, and fix g4 board with 2 screws, then fix plat...

  • Page 260

    Of5750/5950 series january 2001 2 - 153 2.10.5 g3 dual line installation instraction 1. Remove cover-rear, plate-rear and 2 piece of plate-dummy. Cover-rear plate-rear plate-dummy 2. Mount g3 dual line 3. Attach plate-rear, and fix g3 dual line with 2 screws, then fix plate-rear. 4. Attach cover-rea...

  • Page 261

    Of5750/5950 series january 2001 2 - 154 2.10.6 second paper cassette unit this item explains how to install the second paper cassette unit option for okifax5750/5950 facsimile transceiver. Second paper cassette unit installation 1. Turn the facsimile power switch off and remove the ac power cord. No...

  • Page 262

    Of5750/5950 series january 2001 2 - 155 3. Gently lower the facsimile on the second paper cassette unit. Note: make sure that the positioning boss of the second cassette unit fits into the 2 holes at the bottom of the facsimile transceiver main unit. Hole hole positioning boss second paper cassette ...

  • Page 263

    Of5750/5950 series january 2001 2 - 156 4. Peel off the tape attached on the second paper cassette unit. 5. Install the second paper cassette. Approximately 500 sheets of recording paper (20-lb bond) can be loaded. Paper full paper can be loaded up to this line second paper cassette (caution) do not...

  • Page 264

    Chapter 3 brief technical description.

  • Page 265

    Of5750/5950 ser ies j a n uar y 2001 3 - 1 electro-photographic process flow paper eject roller paper eject (face down) pwu board charger cleaning roller pwu board paper path selector heater roller fusing back-up roller image data led head developing roller doctor blade toner supply roller pwu board...

  • Page 266

    Of5750/5950 series january 2001 3 - 2 process illustration description 3.1 fundamentals of the electro-photographic process the electro-photographic process involves six sub-processes: (1) charging (2) exposure (3) development (4) transfer (5) fusing (6) cleaning outline of each process is explained...

  • Page 267

    Of5750/5950 series january 2001 3 - 3 process illustration description ep drum transfer roller paper power supply power supply cleaning roller ep drum transfer roller back-up roller paper heater roller heater transfer 4 cleaning 6 fusing 5 the recording paper is placed over the image drum surface an...

  • Page 268

    Of5750/5950 series january 2001 3 - 4 3.2 actual electo-photographic process the electro-photographic process consists of six essential processes. The following figure 3.2.1 provides a general description. Figure 3.2.1 actual ep process 5 heater roller 6 cleaning roller 1 charge roller 2 led head ba...

  • Page 269

    Of5750/5950 series january 2001 3 - 5 3.3 boards and units the following boards and units constitute the facsimile transceiver machine. Standard • mcnt (main control board) m76-5 (okifax5950) m76-6 (okifax5750) • v.34 modem c34/h34- • ncu (network control unit) unc- (usa/canada) wn5- (int'l) dn5- (g...

  • Page 270

    Of5750/5950 series january 2001 3 - 6 fig. 3.4.1-1 overall dimension and mechanical structure 1/2 paper document document exit paper exit (face up) paper exit (face down) ep drum hopping roller resist roller transfer roller backup roller heater roller image sensor feed roller scan roller feed roller...

  • Page 271

    Of5750/5950 series january 2001 3 - 7 fig. 3.4.1-1 overall dimension and mechanical structure 2/2 ncu modem memory battery ac switch inlet fan mupis or nic (for dual line) g4 or adapter or g3net (for dual line) mcnt high-voltage power supply low-voltage power supply.

  • Page 272

    Chapter 4 mechanical disassembly and r e a s s e m b l y.

  • Page 273

    Of5750/5950 series january 2001 4 - 1 4. General the section explains the procedures for replacement of parts, assemblies, and units in the field. Only the disassembly procedures are explained here. For reassembly, reverse the disassembly procedure. 4.1 precautions for parts replacement (1) before s...

  • Page 274

    Of5750/5950 series january 2001 4 - 2 (2) do not disassembly the printer as long as it is operating normally. (3) do not remove parts which do not have to be touched; try to keep the disassembly to a minimum. (4) use specified service tools. (5) when disassembling, follow the laid out sequences. Par...

  • Page 275

    Of5750/5950 series january 2001 4 - 3 4.2 tools table 4.1 shows the tools required for the replacement of parts such as circuit boards and mechanical units. No. Service tools philips screw driver (l) q’ty remarks philips screw driver (m) flat screw drivers (s) philips screw driver (s) radio pliers n...

  • Page 276

    Of5750/5950 series january 2001 4 - 4 start doc. Table side cover (r) side cover (l) led print head rear cover ncu cover main cover plate guard ncu board fan frame scanner (u) assy feed roller sensor roller exit roller frame scanner sub-roller adf roller scan motor pinch roller pc1, pc2 contact imag...

  • Page 277

    Of5750/5950 series january 2001 4 - 5 appearance of the okifax 5750/5950

  • Page 278

    Of5750/5950 series january 2001 4 - 6 4.3.1 document table cover 1. Open the operation panel. 2. Remove the cover by unscrewing four screws. 4.3.2 rear cover and ncu cover 1. Unscrew two screws (1). 2. Slide the rear cover up slightly and pull it forward for removal. 3. Remove the ncu cover by unscr...

  • Page 279

    Of5750/5950 series january 2001 4 - 7 4.3.3 main cover 1. After removing the document cover, rear cover, and ncu cover, open the scanner unit and stacker cover. 2. Unscrew two screws. 3. Open the manual feed guide. Scanner unit stacker cover two screws main cover manual feed guide.

  • Page 280

    Of5750/5950 series january 2001 4 - 8 4. First, disengage the two hooks at the back. Next, remove the main cover with it lifted. Two hooks main cover.

  • Page 281

    Of5750/5950 series january 2001 4 - 9 4.3.4 operation unit 1. Disconnect the connector. 2. Open the operation unit and slide it leftward for removal. Caution: pull out the connector cable from the frame. Operation unit connector operation unit frame connector cable.

  • Page 282

    Of5750/5950 series january 2001 4 - 10 4.3.5 ncu board remove the ncu board by unscrewing two screws. Caution: earth cable position is different from each machine version. 4.3.6 modem board 1. Remove the plate by unscrewing two screws (1). 2. Remove the modem board by un- screwing one screw (2). Ncu...

  • Page 283

    Of5750/5950 series january 2001 4 - 11 4.3.7 plate package 1. Unscrew two screws (1) and pull out the rear plate. 2. Unscrew four screws (2) and take out the package plate. Caution: before take out the package plate, disconnect the connector of battery. Rear plate two screws 1 screw 2 screw 2 packag...

  • Page 284

    Of5750/5950 series january 2001 4 - 12 4.3.8 scanner unit (cis) 1. Disconnect six connectors (cn8, 9, 13, 14, 15 and sp) 2. Remove four cores. 3. Remove the torque limiter by unscrewing two screws. 4. Pull out the connector cable from the stacker frame and remove the scanner unit. Connectors/cores t...

  • Page 285

    Of5750/5950 series january 2001 4 - 13 4.3.9 stacker frame remove the ac inlet and unscrew three screws to remove the stacker frame. 4.3.10printer unit 1. Disconnect three flat cables and two connector cables 2. Remove the shield by unscrewing one screw. Stacker frame ac inlet shield screw three fla...

  • Page 286

    Of5750/5950 series january 2001 4 - 14 3. Remove the printer unit by unscrewing six screws. Caution: the number of pins of the cn2 connector is the same as that of the cn3 connector; how- ever, colors of these connec- tors are different (cn2 is yellow and cn3 is white). When connecting these connect...

  • Page 287

    Of5750/5950 series january 2001 4 - 15 4.3.12 main board 1. Remove the shield plate by unscrewing six screws. 2. Unscrew four screws and disconnect two connector cables, then slide the main board for removal. 4.3.13 contact assembly and high-/ low-voltage power supply boards 1. Remove the high-/low-...

  • Page 288

    Of5750/5950 series january 2001 4 - 16 4.3.14 disassembling the operation unit 1. Remove the paper guide (u) assembly by unscrewing two screws and discon- necting the connector. 2. Unscrew 22 screws and disengage six hooks to remove the p76/p77 board assembly. Connector cable two screws paper guide ...

  • Page 289

    Of5750/5950 series january 2001 4 - 17 3. Remove the numeric key pad. 4. Disconnect the white connector to separate the p76 board from the p77 board. Caution: the white connector is a spring connector. Be careful not to damage the connector when disconnecting it. Numeric key pad one touch key spring...

  • Page 290

    Of5750/5950 series january 2001 4 - 18 4.3.14.1 disassembling the operation unit paper guide (u) assembly separation rubber the separation rubber can be removed from the paper guide (u) assembly. Feed roller 1. Remove the ground cable by removing the two screws 5. 2. Remove the feed roller by removi...

  • Page 291

    Of5750/5950 series january 2001 4 - 19 4.3.15 disassembling the scanner unit (l) paper guide unscrew two screws and remove the paper guide. (removing the paper guide) 1. Insert the screwdriver in the holes (two) in the paper guide and push the screw- driver in the direction of the arrow (1) to relea...

  • Page 292

    Of5750/5950 series january 2001 4 - 20 (precaution for installing the paper guide) install the paper guide while pressing the pc1 lever. * this is necessary to prevent the lever from sticking. 4.3.16 scanner (cis) 1. Remove the cis assembly by discon- necting one connector. 2. Remove the cis from th...

  • Page 293

    Of5750/5950 series january 2001 4 - 21 2. Pull out the pc2 sensor. 4.3.18 speaker remove the speaker with it pushed in the direction of the arrow (1), then disconnect the cable. Caution: be careful not to damage the portion (2) of the frame indi- cated by the arrow. Speaker portion (2) (1).

  • Page 294

    Of5750/5950 series january 2001 4 - 22 4.3.19 scanner motor 1. Remove the scanner latch. 2. Remove the motor cable and unscrew two screws (1) to remove the motor along with the bracket. Caution: do not remove the four screws* securing the motor. 3. Remove the bracket and ground plate by unscrewing t...

  • Page 295

    Of5750/5950 series january 2001 4 - 23 4.3.20 disassembling the printer unit drum/resist motor 1. Remove the drum motor by unscrewing two screws 1 . 2. To remove the resist motor by unscrew- ing two screws 2 . Motor bracket remove the bracket by releasing two hooks. Resist motor two screws 2 drum mo...

  • Page 296

    Of5750/5950 series january 2001 4 - 24 4.3.21 led head 1. Open the stacker cover and open the left-hand latch slightly to pull the led head out. Next, disconnect flexible cables (two) along with connectors. Caution: disconnect the flexible cables with them inserted in connec- tors. Latch stacker cov...

  • Page 297

    Of5750/5950 series january 2001 4 - 25 4.3.22 id/toner lockout board 1. Remove two springs, pull the shield toward you, and remove the led head cover. Caution: do not lose the springs. 2. Remove the tlk cover by releasing hooks (four). Caution: pay attention to two springs. 3. Remove the board by re...

  • Page 298

    Of5750/5950 series january 2001 4 - 26 4.3.23 stacker cover 1. Disconnect the flat cable. 2. Remove the copy stacker by pressing inward the two latches on it from the two reset levers. 3. Remove the copy stacker by spreading it from the lower base. 4.3.24 fusing unit remove the fusing unit by removi...

  • Page 299

    Of5750/5950 series january 2001 4 - 27 4.3.26 back-up roller, transfer roller 1. After removing the lower base, remove the spring. 2. Lift the left side of the back-up roller and pull it out leftwards. Caution: - do not lose the ground washer. - do not bend the ground plate. - do not damage the back...

  • Page 300

    Of5750/5950 series january 2001 4 - 28 4.3.27 resist roller, hopping roller, sensor plates (1) disassembly procedure 1) resist roller, hopping roller 1. First, carry out the disassembly proce- dure up to the point of the lower base removal. (refer to sub-item 4.3.23.) 2. Remove the one-way clutch ge...

  • Page 301

    Of5750/5950 series january 2001 4 - 29 4.3.28 eject guide assembly remove the eject guide assembly by releasing the left-hand hook. Reassemby procedure carry out reassembly by reversing the disassembly procedure. Eject guide assembly hook.

  • Page 302

    Chapter 5 a d j u s t m e n t s.

  • Page 303

    Of5750/5950 series january 2001 5 - 1 5.1 setting of led print head drive time • adjustment point: technical function: setup no. 26 * to bring the lcd up to technical function, press menu key once, resolution key twice (in case of no message in memory). Note: when the rank marking of the replaced le...

  • Page 304

    Of5750/5950 series january 2001 5 - 2 5.2.1 confirmation items the clock frequency and power voltage of the machine are not possible to adjust in the field. However, their measurement procedures are described here for confirmation of clock fre- quency and each voltage. 1) clock frequency • measureme...

  • Page 305

    Of5750/5950 series january 2001 5 - 3 5.2.2 measurement 1) trun the ac power off. 2) carry out the disassembly procedure up to cover assembly-top, frame assembly- scanner, and unit-printer. (refer to the mechanical disassembly and reassembly in chapter 4.) 3) connect extension cables to the m76 boar...

  • Page 306

    Chapter 6 cleaning and maintenance.

  • Page 307

    Of5750/5950 series january 2001 6 - 1 6.1 replacement of consumable the user (or service personnel) is required to replace the following items as consumable parts. (1) user side (2) service personnel side figure 6.1 consumable parts paper document document exit paper exit (face up) paper exit (face ...

  • Page 308

    Of5750/5950 series january 2001 6 - 2 1 document feeder 2 recording paper feeder 3 mtbf 4 battery • for rtc • for memory (3) others table 6.1 reliability jam occurrence and misfeeds in the automatic document feeder will be less than one in 500 operations for all specified documents. Jam occurrence i...

  • Page 309

    Of5750/5950 series january 2001 6 - 3 1 roller-scan 2 roller-adf 3 contact image sensor 4 separation rubber 5 led print head 6 printer unit 7 lubrication 8 cleaning clean with wet cloth. Clean with wet cloth. If the surface of this roller becomes dirty and the dirt causes misfeeding of documents, pe...

  • Page 310

    Of5750/5950 series january 2001 6 - 4 fifure 6.2 parts of routine inspection paper document document exit paper exit (face up) paper exit (face down) (5) led head i/d unit (6) printer unit (3) contact image sensor (1) scan roller feed roller (2) adf roller (4) separation rubber paper.

  • Page 311

    Of5750/5950 series january 2001 6 - 5 6.3 printer counter display/clear note: the fonts displayed on the lcd operation panel may differ from the fonts written this manual. 1. Purpose a user can clear the image drum unit and check some of the counters (such as the print counter, scan counter) by usin...

  • Page 312

    Of5750/5950 series january 2001 6 - 6 2-2. Procedure the following shows the case when the service bit has been set off & toner count clear = on. C o u n t e r 1 > d r u m c o u n t 2 t o n e r c o u n t 3 p r i n t c o u n t d r u m c o u n t c l e a r ? P r e s s c l e a r t o d e l . Enter/ → key...

  • Page 313

    Of5750/5950 series january 2001 6 - 7 6.4 printer counter display/clear 1. Purpose the service personnel can clear and check the following data: • image drum • toner • image drum (total) • print • scan 2. Procedure the following shows the case when the service bit has been set on. C o u n t e r 1 > ...

  • Page 314

    Of5750/5950 series january 2001 6 - 8 6.5 self-diagnosis test 1. Purpose to check roms, rams and printing function. Test report will be automatically printed out. 2. Procedure l o c a l t e s t 1 > s e l f d i a g n o s i s 2 s e n s . C a l i b r a t i o n 3 l e d t e s t s e l f d i a g n o s i s ...

  • Page 315

    Of5750/5950 series january 2001 6 - 9 self diagnosis report 12/24/1998 12:00 id=0dc takasaki main board cpu-rom version aaaa *1 hash ok hhhh *1 cpu-ram ok program1 version aaaa hash ok hhhh program2 version aaaa hash ok hhhh language version aaaa hash ok hhhh default version aaaa hash ok hhhh defaul...

  • Page 316

    Of5750/5950 series january 2001 6 - 10 note: *1: a indicates an alphanumeric character; n indicates a numeric character (0 to 9); h indicates a hexadecimal number; and b indicates 0 or 1. *2: printed when the option board is mounted and if not, entry lines following this line are not omitted. *3: lo...

  • Page 317

    Of5750/5950 series january 2001 6 - 11 g3 option board self diagnosis report 12/24/2000 12:00 id=0dc takasaki main board cpu-rom version aaaa hash ok hhhh cpu-ram ok program1 version aaaa hash ok hhhh program2 version aaaa hash ok hhhh language version aaaa hash ok hhhh default version aaaa hash ok ...

  • Page 318

    Of5750/5950 series january 2001 6 - 12 6.5.1 self diagnosis report purpose: to check roms, rams and printing function method: the report will be manually printed out for maintenance purpose. 6.5.2 difference from fx-056/176 (*1 to *3 coincide with the notes on the example of the report image.) *1 op...

  • Page 319

    Of5750/5950 series january 2001 6 - 13 6.6 sensor calibration test 1. Purpose to adjust the linearity of output levels of contact image sensor. L o c a l t e s t 1 s e l f d i a g n o s i s 2 > s e n s . C a l i b r a t i o n 3 l e d t e s t s e n s . C a l i b r a t i o n p l e a s e s e t d o c u ...

  • Page 320

    Of5750/5950 series january 2001 6 - 14 6.7 leds test 1. Purpose to check all leds on operation panel by lighting. 2. Procedure l o c a l t e s t 2 s e n s . C a l i b r a t i o n 3 > l e d t e s t 4 t o n e s e n d t e s t l e d t e s t e x e c u t i n g p r e s s s t o p t o c a n c e l enter/ → ke...

  • Page 321

    Of5750/5950 series january 2001 6 - 15 6.8 tone send test 1. Purpose to send the g3 tonal frequencies to the line. 2. Procedure l o c a l t e s t 3 l e d t e s t 4 > t o n e s e n d t e s t 5 m o d e m s e n d t e s t t o n e s e n d t e s t > 2 1 0 0 h z 1 1 0 0 h z t o n e s e n d t e s t 2 1 0 0 ...

  • Page 322

    Of5750/5950 series january 2001 6 - 16 6.9 high-speed modem send test to check the telephone line quality in combination with a remote station programmed to the high-speed modem receive test mode. L o c a l t e s t 4 t o n e s e n d t e s t 5 > m o d e m s e n d t e s t 6 m o d e m r e c . T e s t m...

  • Page 323

    Of5750/5950 series january 2001 6 - 17 6.10 high-speed modem receive test 1. Purpose to check the telephone line quality in combination with a remote station programmed to the high-speed modem send test mode. 2. Procedure l o c a l t e s t 5 m o d e m s e n d t e s t 6 > m o d e m r e c . T e s t 7 ...

  • Page 324

    Of5750/5950 series january 2001 6 - 18 6.11 mf tone send test 1. Purpose to send the multi-frequencies of tone dialling to the line. 2. Procedure after the test, press stop key. Frequencies of mf tones are as follows: 1 2 3 4 5 6 7 8 9 0 * # 697 hz/1209 hz 697 hz/1366 hz 697 hz/1477 hz 770 hz/1209 h...

  • Page 325

    Of5750/5950 series january 2001 6 - 19 6.12 tone (tel/fax) 1. Purpose to check the pseudo-ring back tone of tel/fax automatic switching. 2. Procedure l o c a l t e s t 6 m o d e m r e c . T e s t 7 m f ( t o n e ) t e s t 8 > t o n e ( t / f ) t e s t t o n e ( t / f ) t e s t t o n e s e n d i n g ...

  • Page 326

    Of5750/5950 series january 2001 6 - 20 l o c a l t e s t 3 l e d t e s t 4 > l o o p b a c k 1 5 l o o p b a c k 2 enter/ → key l o o p b a c k 1 s e n d i n g p r e s s s t o p t o c a n c e l stop key l o c a l t e s t 1 0 p u l s e ( 1 k h z ) s e n d 1 1 p u l s e ( 2 k h z ) s e n d 1 2 > p u l...

  • Page 327

    Of5750/5950 series january 2001 6 - 21 6.14 tone send test g3 t o n e s e n d t e s t g 3 > 2 1 0 0 h z 1 1 0 0 h z enter/ → key l o c a l t e s t 8 t o n e ( t / f ) t e s t 9 > t o n e s e n d t e s t g 3 1 0 m d m s e n d t e s t g 3 enter/ → key t o n e s e n d t e s t g 3 2 1 0 0 h z s e n d i ...

  • Page 328

    Of5750/5950 series january 2001 6 - 22 6.15 modem send test g3 l o c a l t e s t 9 t o n e s e n d t e s t g 3 1 0 > m d m s e n d t e s t g 3 1 1 m f ( t o n e ) t e s t g 3 m o d e m r a t e > 3 3 . 6 k 2 8 . 8 k 1 4 . 4 k m d m s e n d t e s t g 3 3 3 . 6 k 0 0 ’ 0 0 " p r e s s s t o p t o c a n...

  • Page 329

    Of5750/5950 series january 2001 6 - 23 6.16 mf (tone) test g3 l o c a l t e s t 9 t o n e s e n d t e s t g 3 1 0 m d m s e n d t e s t g 3 1 1 > m f ( t o n e ) t e s t g 3 m f ( t o n e ) t e s t g 3 p r e s s 1 - # m f ( t o n e ) t e s t g 3 1 t o n e s e n d i n g p r e s s 1 - # 1 enter/ → key...

  • Page 330

    Of5750/5950 series january 2001 6 - 24 6.17 protocol dump data printing 1. Purpose to analyze the transmitted/received g3 protocol signals. 2. Procedure • manual print-out of the last communication. (a) manual print-out r e p o r t p r i n t 7 f u n c t i o n l i s t 8 > p r o t o c o l d u m p 9 n ...

  • Page 331

    Of5750/5950 series january 2001 6 - 25 6.18 system reset 1. Purpose to clear or initialize the following data: (a) location data (b) configuration data (default) 2. Procedure s y s t e m r e s e t 1 > a l l d a t a c l e a r 2 l o c a t i o n d a t a c l r 3 c o n f i g . D a t a c l r a l l d a t a...

  • Page 332

    Of5750/5950 series january 2001 6 - 26 6.19 service codes 1) the service code can be printed on activity report to recognize the result of each com- munication. 2) the activity report indicates the code ”0000", should a communication terminates on normal status as a service code. 3) the activity rep...

  • Page 333

    Of5750/5950 series january 2001 6 - 27 table 6.19.1 (1/3) service codes list 0000 successful end of communication. 1080 stop key has been pressed while calling a remote fax. 10a2 busy tone detected. 14c0 dial tone not detected. 14c1 line current not detected. 14c2 calling-and-waiting for line connec...

  • Page 334

    Of5750/5950 series january 2001 6 - 28 table 6.19.1 (2/3) service codes list code description 29c1 in closed network setting, tsi/csi is either not received or, if received, it is not autho- rized one. 29e0 contents of cm/jm are faulty at receive side. 29e1 phase 2 time out at receive side. 29e2 pha...

  • Page 335

    Of5750/5950 series january 2001 6 - 29 table 6.19.1 (3/3) service codes list code description 9083 t3 time out. 9084 no recording paper. 9087 document jam. 9088 60-minute or 70-minute time out. 9089 document length has exceeded its maximum limit. 908e recording paper jam. 9090 received dcn. 909d tel...

  • Page 336

    Of5750/5950 series january 2001 6 - 30 6.19.2 g4 service code lists table 6.19.2 g4 service code lists (1/3) lsi ng tei release by network tei verification procedure failure unallocated (unassigned) number no route to specified transit network no route to destination channel unacceptable call awarde...

  • Page 337

    Of5750/5950 series january 2001 6 - 31 ba66 ba6f ba7f bb01 bb07 bc02 bc03 bc04 bc05 bc08 bd01 b201 b203 b205 b209 b210 b211 b212 b213 b214 b215 b216 b217 b218 b219 b221 b222 b226 b227 b229 b22a b231 b232 b233 b241 b242 b243 b244 b245 b246 b247 b248 b249 b24a b24b b702 b703 b704 b705 classification b...

  • Page 338

    Of5750/5950 series january 2001 6 - 32 b706 b707 b708 b709 b70a b901 b902 b903 b904 b905 b906 b907 b908 b909 b90a b801 b802 b803 b804 b805 b806 b809 b80a b80b b80c ae01 ae02 ae03 ae04 ae05 ae06 classification bch layer 5 bch layer 6 bch layer 7 code description remarks alarm result illegal block rec...

  • Page 339

    Of5750/5950 series january 2001 6 - 33 e000 normal e421 domain service impossible e450 requested mail operation impossible: mail box unavailable e451 interruption of requested operation: local error e452 requested operation impossible: strage insufficient e500 grammatical error (wrong command) e501 ...

  • Page 340

    Of5750/5950 series january 2001 6 - 34 table 6.19.3 internet-fax service code list (2/2) code description f050 top command error f100 illegal file received f900 nic i/f error (server not set, etc.) f910 nic card has no capability of or is inhibited from tcp/ip or smtp/pop. F920 request for transmiss...

  • Page 341

    Chapter 7 troubleshooting and repair for okifax 5750/5950

  • Page 342

    Of5750/5950 series january 2001 7 - 1 this chapter contains: (a) troubleshooting flow charts related to general operations (b) troubleshooting flow charts by test operations (c) troubleshooting flow charts placing an emphasis on mechanical portions section no. Name of flow chart (a) (b) (c) page 7.1...

  • Page 343

    Of5750/5950 series january 2001 7 - 2 7.1 overall troubleshooting flow chart key operation activates the okifax 5750/5950 perform self-diagnosis. Print test ok? Lcd works? Alarm led lights? (pressing menu/exit key causes "menu" to appear on lcd? Pressing the key makes a key touch-tone?) yes ram1 che...

  • Page 344

    Of5750/5950 series january 2001 7 - 3 7.2 no lcd operation reconnect the ac power cord. Time on lcd? Ac power cord on? Solved? Yes solved? Start return to section 7.1 no +5v sub at pin a8 of cn1 (r76) no check mpw2420/2520, mcnt (r76) boards and their connectors. No replace mcnt (r76) yes replace op...

  • Page 345

    Of5750/5950 series january 2001 7 - 4 7.3 alarm led on go to 7.22 (printer unit). 1. Replace a genuine image drum unit 2. Replace dlk board communication error? "cover open" on lcd? "paper jam" alarm? "no paper" alarm? Start no "printer alarm i" alarm? 1. Replace toner cartridge. 2. Check photocoupl...

  • Page 346

    Of5750/5950 series january 2001 7 - 5 7.4 printing test failure start yes perform self diagnosis. Replace mcnt (r76) board go to 7.22 (printer unit) end no print test ok? No yes solved? No return to section 7.1.

  • Page 347

    Of5750/5950 series january 2001 7 - 6 7.5 no local copy the document is fed by any length? Start no yes return to section 7.1 checking points: load a document. Press copy key. Any document copied in black? Copy quality ok? No yes printing function of self-diagnosis is ok? No go to 7.4 (printing test...

  • Page 348

    Of5750/5950 series january 2001 7 - 7 7.6 auto dial failure start test other fax machines under the same conditions. Do they dial automatically? Each location causes the problem? Solved? No yes no 1. Check the line cable. 2. Check the exchange. Check the following items: * off-hook bypass off (tf no...

  • Page 349

    Of5750/5950 series january 2001 7 - 8 7.7 transmission problem this section explains how to localize the cause of problems occurred after completion of connection with a remote station. Solved? Start step 1: return to section 7.1 set mh only (technical setup no. 12) to on. Set high-speed modem rate ...

  • Page 350

    Of5750/5950 series january 2001 7 - 9 do they transmit normally? Test other fax machine under the same conditions, especially concerning step 1-4. Description: protective tone is 1700 hz/200 ms. This signal is added to training signal to protect the training signal against echo as follows. A no tx y...

  • Page 351

    Of5750/5950 series january 2001 7 - 10 7.8 auto reception failure start solved? No yes no check the following items: 1. Placed in the manual receive mode? 2. Start key pressed to answer the call? 3. Closed network is on and the remote phone number is not registered in one-touch key or two-digit auto...

  • Page 352

    Of5750/5950 series january 2001 7 - 11 7.9 reception problem this section explains how to localize the cause of problems occurred after completion of connection with a remote station. Solved? Start step 1: no return to section 7.1 set mh only (technical setup no. 12) to on. Set high-speed modem rate...

  • Page 353

    Of5750/5950 series january 2001 7 - 12 do they receive normally? Test other fax machine under the same conditions, especially concerning step 1-4. A no yes the hardware of the troubled fax machine may be damaged. Go to 7.13 (high-speed modem test) to localize the cause. Check the line and the networ...

  • Page 354

    Of5750/5950 series january 2001 7 - 13 7.10 sensor calibration test start "scanning error" appears on lcd while adjusting for level. Perform sensor cali- bration. (see 6.6) no abnormal feeding is observed during scanning check? Check that white plain bond paper of na letter or a4 size is loaded on t...

  • Page 355

    Of5750/5950 series january 2001 7 - 14 7.11 led test start perform led test. (see 6.7) no (no led lights) 1. Check the connection cable. 2. Check the oscillator osc (ope). 3. Replace mcnt (r76) board. 4. If not solved, replace cpu of ope unit. Checking points: yes yes no end all leds light? Any led ...

  • Page 356

    Of5750/5950 series january 2001 7 - 15 7.12 tone send test perform tone send test. (see 6.8.) start no tones appear at l1 and l2? Connect leads of frequency counter (or oscilloscope) across the line terminals l1 and l2. Yes note 1 : note 2 : tones appear across pin 2 (s) and pin 1 (0v) of cn201 (c34...

  • Page 357

    Of5750/5950 series january 2001 7 - 16 7.13 high-speed modem test modem’s signal appears across cn3 (wn5)? Start tx which mode, tx or rx? Yes return to section 7.1 connect oscilloscope probe across the line terminals l1 and l2 perform h-modem send test for the transmitter and h-modem rec test for th...

  • Page 358

    Of5750/5950 series january 2001 7 - 17 receive signal appears across cn3-19, 20 (r) and cn3-7 (gnd) of wn5 board? The error counter of lcd stops counting up? Rx (receiver) return to section 7.1 no yes rx end receive signal appears across l1 and l2? Replace mcnt (r76) board. A possible cause: cml sig...

  • Page 359

    Of5750/5950 series january 2001 7 - 18 7.14 mf send test start no mf signal appears across l1 and l2? Yes mf signal appears across pin 2 (s) and pin 1 (0v) of cn201 (c34 or h34) replace c34 or h34 modem board. Replace wn5 board. Solved? Replace mcnt (r76) board. Signal route: cn3-15, 16 → t1-3, 1 → ...

  • Page 360

    Of5750/5950 series january 2001 7 - 19 7.15 tone (tel/fax) send test start no pseudo-ring back tone signal appears across l1 and l2? Yes mf signal appears across pin 2 (s) and pin 1 (0v) of cn201 (c34 or h34) replace c34 or h34 modem board. Replace wn5 board. Solved? Replace mcnt (r76) board. Signal...

  • Page 361

    Of5750/5950 series january 2001 7 - 20 7.16 no acoustic line monitor there are two source routes of acoustic line monitor: (a) general communication signal (b) dp pulse signal start no monitor control (technical setup no. 02) has been set to off? Replace mcnt (r76) board. The signal appears? Replace...

  • Page 362

    Of5750/5950 series january 2001 7 - 21 7.17 power supply unit (a) low-voltage selection replace the power supply unit when output voltage written on the item a3 in the appen- dix a is not normal. (b) high-voltage selection (h10 board).

  • Page 363

    Of5750/5950 series january 2001 7 - 22 7.18 no document feeding control panel unit is closed firmly? Start no yes checking points: load a document(s). Lcd works? No yes make a copy of the document by using an office copy machine, then transmit the copy. 1. Make a copy of the document by using an off...

  • Page 364

    Of5750/5950 series january 2001 7 - 23 start no the leading edges of the documents are aligned? Check the roller-adf assembly. The separation rubber is dirty? Replace the separation rubber. Align them. Yes no definition: multiple document feeding. Multiple documents are not separated and they are fe...

  • Page 365

    Of5750/5950 series january 2001 7 - 24 start no are the document guides set to meet the document width? Are the documents straightly loaded along the guides? The documents have the same width? 1. Set the guides to meet the document width. 2. Load the documents straight along the guides. No no yes a ...

  • Page 366

    Of5750/5950 series january 2001 7 - 25 is separation rubber dirty? No yes a yes are pinch rollers pressed normally by the springs? (after pushing them by fingers, do they return back to the original positions?) are feed roller dirty? Set them properly. Clean it. Clean it. No no are feed roller worn ...

  • Page 367

    Of5750/5950 series january 2001 7 - 26 start no is document fed by any length? Document jammed. 1. Check pc1. 2. Replace mcnt (r76) board. 3. Check the mechanical portion. (scan motor, etc.) yes check points: 1. Adhesive such as paste, tape, etc. On the surface of the documents? 2. Too thin ( 3. The...

  • Page 368

    Of5750/5950 series january 2001 7 - 27 7.22 printer unit 7.22.1precautions 1. Points to check before correcting image troubles (1) is the printer being run in proper ambient conditions? (2) have the supplies (toner) and the routine replacement part (id unit) been replaced properly? (3) is the record...

  • Page 369

    Of5750/5950 series january 2001 7 - 28 troubleshoot according to the lcd message trouble list. See table 7.22.1 perform detailed troubleshooting with one of troubleshooting from chart 1 to 6. Troubles indicated by lcd message troubles troubleshoot according to the image trouble list. See table 7.22....

  • Page 370

    Of5750/5950 series january 2001 7 - 29 a l a r m l c d l e d flash memory error (data) second tray time-out error id lock toner lock thermister error fan motor error cover open document jam (limit length error) on on on on on on on on 12:00 xxx memory error 12:00 tel printer alarm2 refer to user gui...

  • Page 371

    Of5750/5950 series january 2001 7 - 30 table 7.22.2 alarm display (2/4) 11/01/2000 12:00 xxx reload document memory free 100% alarm lcd led document jam (suction error) paper jam (feed outlet error) paper jam (path error) paper jam (feed error) paper size error no paper face-up drum life expired ton...

  • Page 372

    Of5750/5950 series january 2001 7 - 31 on off on on on on on on on table 7.22.2 alarm display (3/4) 12:00 xxx toner low replace toner cart. Memory free 100% alarm lcd led toner near end (no toner em. Rx = on) second tray cover open memory overflow communication error lan/isdn/g3 board mupis i/f erro...

  • Page 373

    Of5750/5950 series january 2001 7 - 32 alarm lcd led during nic initialization no recording paper on the 1'st tray recording paper on the 2'nd tray recording paper on the 1'st tray no recording paper on the 2'nd tray off off off 12:00 xxx paper out-1st tray memory free 100% 12:00 xxx paper out-2nd t...

  • Page 374

    Of5750/5950 series january 2001 7 - 33 troubleshooting flow chart 1: see "table 7.22.3 action 2". Yes solved? Return to section 7.1.1. Close the cover no see "table 7.22.2 alarm display". Cover (stacker cover).

  • Page 375

    Of5750/5950 series january 2001 7 - 34 is the mcnt (r76) board mounted properly? See "table 7.22.3 action 4". Yes does the change drum soon message remain on display? No turn on power again. No see "table 7.22.3 action 3." mount it properly. Yes see "table 7.22.2 alarm display". Warning message to r...

  • Page 376

    Of5750/5950 series january 2001 7 - 35 see "table 7.22.3 action 6". Yes does the printer alarm 2 message remain on display? No turn on power again. See "table 7.22.3 action 5". See "table 7.22.2 alarm display". Engine controller error (rom/ram error) troubleshooting flow chart 3:.

  • Page 377

    Of5750/5950 series january 2001 7 - 36 about 60 seconds later turn on power again. No turn on power again. Yes see "table 7.22.3 action 7". Is the fuser unit heater off? Is the printer alarm 4 message displayed with a delay? Is the heater free from wire breakage? See "table 7.22.3 action 8". See "ta...

  • Page 378

    Of5750/5950 series january 2001 7 - 37 no yes remove the jammed paper. Does the error occur during paper loading? Does the same error occur many times? Does the error occur while paper is under the ep drum? See "table 7.22.3 action 13". See "table 7.22.3 action 10". See "table 7.22.3 action 11". Yes...

  • Page 379

    Of5750/5950 series january 2001 7 - 38 has the paper casette been loaded? See "table 7.22.3 action 14". Yes no load it. Is recording paper out? Load recording paper. No yes see "table 7.22.2 alarm display". No recording paper in the paper cassette troubleshooting flow chart 6: no recording paper cas...

  • Page 380

    Of5750/5950 series january 2001 7 - 39 table 7.22.3 action items (printer unit-lcd message) no. Action no. Action check mcnt (r76) board. 1 check h10 board cover open switch, cover open switch connection. Check mcnt (r76) board. 2 return to section 7.1. 3 replace the ep unit. And clear drum count, s...

  • Page 381

    Of5750/5950 series january 2001 7 - 40 table 7.22.4 image troubles figure 7.22.1 abnormal symptoms of image troubles (example) abnormal symptom images are light or blurred as a whole. Troubleshooting flow chart no. Fig. 7 the blank background is smeared. Fig. 8 blank paper is output. Fig. 9 black be...

  • Page 382

    Of5750/5950 series january 2001 7 - 41 yes images are light or blurred as a whole. Replace the paper. Is the lens surface of the led print head dirty? Are fingerprints or dirts adhering or moisture- absorbing to the paper? Is the led print head installed properly? Is the contact plate of the transfe...

  • Page 383

    Of5750/5950 series january 2001 7 - 42 yes the blank background is smeared. Close and wait for about 30 minutes. Has the image drum been exposed to external light? Is the heat roller of the fuser unit dirty? Replace the ep unit or h10 board mcnt (r76) board clean it. No no yes yes no is the contact ...

  • Page 384

    Of5750/5950 series january 2001 7 - 43 black belts or stripes in the vertical direction. Replace the led print head or power supply unit. Solved? End. Yes no replace the id unit troubleshooting flow chart 10:.

  • Page 385

    Of5750/5950 series january 2001 7 - 44 yes periodic abnormal printing 1.2" (30.6 mm) period? 2.96" (75.3 mm) period? Charging roller (inside the id unit) failure. Replace the id unit. No 1.85" (47.1 mm) period? Developing roller (inside id unit) failure. Replace or clean the id unit. Yes 3.7" (94.2 ...

  • Page 386

    Of5750/5950 series january 2001 7 - 45 yes some parts not printed clean it. Is the transfer roller dirty? Check id unit or power supply unit. No is the print paper folded, bent, or scratched? Replace the paper. Yes no troubleshooting flow chart 12:.

  • Page 387

    Of5750/5950 series january 2001 7 - 46 white belts or streakes in the vertical direction no is the lens surface of the led print head dirty? Yes no solved? Clean the lens. Replace the id unit. End yes is the contact plate of the transfer roller in contact with the contact assembly properly? Make pro...

  • Page 388

    Of5750/5950 series january 2001 7 - 47 check the thermister, the heater (inside the fuser unit), mcnt board h10 board and power supply unit. Is the (bias) spring normal? (tension: 2.5 kg) yes no repair the pressure roller spring. Poor fusing is the paper oki specified grade? No use paper of oki spec...

  • Page 389

    Of5750/5950 series january 2001 7 - 48 7.23 g3 dual line troubleshooting flow chart key operation activates the okifax 5750/5950 perform self-diagnosis. Print test ok? Lcd works? Alarm led lights? (pressing menu/exit key causes "menu" to appear on lcd? Pressing the key makes a key touch-tone?) yes r...

  • Page 390

    Of5750/5950 series january 2001 7 - 49 7.24 auto dial failure (g3 dual line) start test other fax machines under the same conditions. Do they dial automatically? Each location causes the problem? No 1. Check the line cable. 2. Check the exchange. Check the following items: * off-hook bypass off (tf ...

  • Page 391

    Of5750/5950 series january 2001 7 - 50 7.25 transmission problem (g3 dual line) this section explains how to localize the cause of problems occurred after completion of connection with a remote station. Solved? Start step 1: return to section 7.23 set mh only (technical setup no. 12) to on. Set high...

  • Page 392

    Of5750/5950 series january 2001 7 - 51 do they transmit normally? Test other fax machine under the same conditions, especially concerning step 1-4. Description: protective tone is 1700 hz/200 ms. This signal is added to training signal to protect the training signal against echo as follows. A no tx ...

  • Page 393

    Of5750/5950 series january 2001 7 - 52 7.26 auto reception failure (g3 dual line) start solved? No yes no check the following items: 1. Placed in the manual receive mode? 2. Start key pressed to answer the call? 3. Closed network is on and the remote phone number is not registered in one-touch key o...

  • Page 394

    Of5750/5950 series january 2001 7 - 53 7.27 reception problem (g3 dual line) this section explains how to localize the cause of problems occurred after completion of connection with a remote station. Solved? Start step 1: no return to section 7.23 set mh only (technical setup no. 12) to on. Set high...

  • Page 395

    Of5750/5950 series january 2001 7 - 54 do they receive normally? Test other fax machine under the same conditions, especially concerning step 1-4. A no yes the hardware of the troubled fax machine may be damaged. Go to 7.28 (high-speed modem test) to localize the cause. Check the line and the networ...

  • Page 396

    Of5750/5950 series january 2001 7 - 55 7.28 high-speed modem test (g3 dual line) modem's signal appears across cn3 (wn5)? Start tx which mode, tx or rx? Yes return to section 7.23 connect oscilloscope probe across the line terminals l1 and l2 perform h-modem send test g3 for the transmitter and h-mo...

  • Page 397

    Of5750/5950 series january 2001 7 - 56 receive signal appears across cn3-19, 20 (r) and cn3-7 (gnd) of wn5 board? The error counter of lcd stops counting up? Rx (receiver) return to section 7.23 no yes rx end receive signal appears across l1 and l2? Replace g3a board. A possible cause: cml signal ye...

  • Page 398

    Of5750/5950 series january 2001 7 - 57 7.29 mf send test (g3 dual line) start no mf signal appears across l1 and l2? Yes mf signal appears across cn2-a8, b8 (s) of g3a board replace g3a board. Replace wn5 board. Solved? Replace g3a board. Signal route: cn3-15, 16 → t1-3, 1 → cn1-3, 4 end no yes yes ...

  • Page 399

    Of5750/5950 series january 2001 7 - 58 7.30 no acoustic line monitor (g3 dual line) there are two source routes of acoustic line monitor: (a) general communication signal (b) dp pulse signal start no monitor control (technical setup no. 02) has been set to off? Replace mcnt (r76) board. The signal a...

  • Page 400

    Appendix a pc board descriptions and operation.

  • Page 401

    C o n t e n t s appendix a pc board description and operation page a1.1 unit configuration and block diagram ......................................... A1-1 okifax5750/5950 block diagram (1) ........................................................ A1-3 okifax5750/5950 block diagram (2) .................

  • Page 402

    P r e f a c e this manual has been designaed to provide basic information concerning the electric section for the component-level maintenance of the okifax 5750/okifax 5950 facsimile transceiver. It includes such information which will help maintenance personnel to under- stand the circuit operation...

  • Page 403

    General of5750/5950 series january 2001 a1 - 1 a1.1 unit configuration and block diagram 1. The unit configuration is as follows: okifax 5750/okifax 5950 assembly figure a.1.1 unit configuration (modifying) note: the above numbers refers to appendix d "mechanical expanded view drawing and parts list...

  • Page 404

    General of5750/5950 series january 2001 a1 - 2 standard: (1) mcnt (m76-6 : okifax 5750/m76-5: okifax 5950) (2) v.34 modem (c34-/h34-) (3) ncu (unc-/wn5-/dn5-fn5-) (4) operation panel board (p76-: main/p77-: one-touch) (5) high-voltage power unit (h10) (6) low-voltage poewr unit (mpw2520: 120v/mpw242...

  • Page 405

    General of5750/5950 series january 2001 a1 - 3 x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 38002m2 rom 8k x 8bit ram ...

  • Page 406

    General of5750/5950 series january 2001 a1 - 4 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 38002m2 rom 8k x 8bit ram 384 x 8bit jp1 jp2 (7p) (7p) 27 keys start key led x 8 cn1(16p) +5v /+5vs board-p76 pc1 pc2 shift reg/...

  • Page 407

    Signal flow of5750/5950 series january 2001 a2 - 1 a2.1 okifax 5750/5950 signal flow each signal flow is shown as below: 1. Copy 2. G3 tx (mh/mr/mmr) 2-1 g3 tx (jbig): okifax 5950 only 3. G3 rx (mh/mr/mmr) 3-1 g3 rx (jbig): okifax 5950 only 4. Pc print (option) 5. Pc scanner (option) 6. Pc-fax tx (o...

  • Page 408

    Signal flow of5750/5950 series january 2001 a2 - 2 1. Copy x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 38002m2 rom 8k...

  • Page 409

    Signal flow of5750/5950 series january 2001 a2 - 3 2. G3 tx (mh/mr/mmr) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 3...

  • Page 410

    Signal flow of5750/5950 series january 2001 a2 - 4 2-1. G3 tx (jbig) okifax 5950 x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m5195...

  • Page 411

    Signal flow of5750/5950 series january 2001 a2 - 5 3. G3 rx (mh/mr/mmr) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 3...

  • Page 412

    Signal flow of5750/5950 series january 2001 a2 - 6 3-1 g3 rx (jbig) okifax 5950 x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957...

  • Page 413

    Signal flow of5750/5950 series january 2001 a2 - 7 4. Pc print (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 3...

  • Page 414

    Signal flow of5750/5950 series january 2001 a2 - 8 5. Pc scanner (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu...

  • Page 415

    Signal flow of5750/5950 series january 2001 a2 - 9 6. Pc-fax tx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu ...

  • Page 416

    Signal flow of5750/5950 series january 2001 a2 - 10 7. Pc-fax rx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu...

  • Page 417

    Signal flow of5750/5950 series january 2001 a2 - 11 8. Isdn pc-fax g3 tx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m519...

  • Page 418

    Signal flow of5750/5950 series january 2001 a2 - 12 9. Isdn pc-fax g3 rx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m519...

  • Page 419

    Signal flow of5750/5950 series january 2001 a2 - 13 10. Isdn g3 tx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af c...

  • Page 420

    Signal flow of5750/5950 series january 2001 a2 - 14 11. Isdn g3 rx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af c...

  • Page 421

    Signal flow of5750/5950 series january 2001 a2 - 15 12. G4 tx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 38...

  • Page 422

    Signal flow of5750/5950 series january 2001 a2 - 16 13. G4 rx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 38...

  • Page 423

    Signal flow of5750/5950 series january 2001 a2 - 17 14. Lan print (option), internet fax rx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal ...

  • Page 424

    Signal flow of5750/5950 series january 2001 a2 - 18 15. Internet fax tx (option) x'tal 19.6608mhz main-cpu sh7034 (112pqfp) rom: 64k x8bit ram: 4k x8bit lan board board-dm1 board-g4a 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m5195...

  • Page 425

    Signal flow of5750/5950 series january 2001 a2 - 19 16. G3 dual line tx (mh/mr/mmr) (option) 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 38002m2 rom 8k x 8bit ram 384 x 8bit jp1 jp2 (7p) (7p) 27 keys start key led x 8 c...

  • Page 426

    Signal flow of5750/5950 series january 2001 a2 - 20 17. G3 dual line rx (mh/mr/mmr) (option) 20 x 4 lcd lcd drv lcd cnt +5vs +5vs (16p) board -p77 41 keys (14p) (14p) cn1 cn2 ope unit x'tal 6mhz sub reset m51957af cpu 38002m2 rom 8k x 8bit ram 384 x 8bit jp1 jp2 (7p) (7p) 27 keys start key led x 8 c...

  • Page 427

    Signal flow of5750/5950 series january 2001 a2 - 21 a2.2 explanation of signal flowchart (1) copy mode the analog data output from the image sensor is input to the mcnt-pcb to be amplified by the amplifier. The amplified analog data is input to the scanner controller. Next, the analog data is conver...

  • Page 428

    Signal flow of5750/5950 series january 2001 a2 - 22 (6) pc print the data input from the mcnt’s parallel i/f is input, through the ioga5, to the dram using dma. The input data is transferred to the dec block in the ioga5 using dma. In the dec block, the data is expanded in the 1-line raster buffer i...

  • Page 429

    R76- of5750/5950 series january 2001 a3 - 1 a3.1 mcnt a3.1.1 cpu a3.1.1.1 functions a 32-bit risc cpu is used as a core and it is provided with the following peripheral functions: • built-in prom/mask rom • built-in ram • bus state controller (dram control and chip select creation) • interrupt contr...

  • Page 430

    R76- of5750/5950 series january 2001 a3 - 2 (7) 16-bit timer pulse unit channels are used as follows: itu channel 0: used as a 5-ms system timer. Itu channel 1: a desired time-out time (0 - 13.1 ms) can be specified in steps of 0.2 µs. Itu channel 2: a 204.8-µs (4.883 khz) clock signal is input from...

  • Page 431

    R76- of5750/5950 series january 2001 a3 - 3 a3.1.2 ioga5 a3.1.2.1 purpose and overview of this asic this asci is used for the okifax 5750/5950. It controls the facsimile and printer, provides an interface with the pc, and implement mfp and the functions listed below. The block diagram of this asic i...

  • Page 432

    R76- of5750/5950 series january 2001 a3 - 4 * cpu if a21-a00 d15-d0 rdn wrh wrl cash casl ras clkn rstn *din/dout *udivclk * ieee rd7-pd0 afxn iprn psbn slin ackn bsyp fltn pep selp (nireq4) level * o dma dreq3 dreq4 back n breq n dack3 dack 4 ram ad10-1 ras n cas n wro n nwr0-2 dram_decd noe0-2 * i...

  • Page 433

    R76- of5750/5950 series january 2001 a3 - 5 a3.1.3 scanner control a3.1.3.1 overview this system uses a monochromic 300-dpi image sensor. It also uses a 1-chip lsi for sensor control. The overall block diagram is shown on the next page. (1) interface the ioga5 receives image data from the sensor con...

  • Page 434

    R76- of5750/5950 series january 2001 a3 - 6 8-16 conversion multivalue image resolution converter gamma correction block 2k-bit sram 96k-bit dram cpu bus distortion correction block analog block image area separator filter block register half-tone block binary coding block binary image reduction pro...

  • Page 435

    R76- of5750/5950 series january 2001 a3 - 7 (3) image lsi specifications the analog image data from the image sensor is amplified about 4.3 times in the external non-reverse amplifier circuit and the amplified analog data is input to this lsi chip. In this lsi chip, the analog data is converted to d...

  • Page 436

    R76- of5750/5950 series january 2001 a3 - 8 a3.1.4 jbig control a3.1.4.1 overview jbig control is performed by converting codes using the mn86064, a codec lsi chip that is fully compliant with itu-t.85 (jbbig facsimile application). Major functions of the mn86064 are listed below. The system configu...

  • Page 437

    R76- of5750/5950 series january 2001 a3 - 9 system configuration sh7034 ioga5 (user dma) ad15~0 a21~1 /lbs(/wrh) /hbs(a0) /rd /wr(/wrl) /cs4 /ireq4 mn86064 (system bus) d15~0 a3~1 a0 /ubf /rd /wr /cs intr0 d15~0 a11~0 /rd /wr /cs4 /ireq4 jbig_a0 /jbig cs jbig_intr dreq6 /dack6 dreq7 /dack7 /we /oe /...

  • Page 438

    R76- of5750/5950 series january 2001 a3 - 10 the cpu read (word access) timing chart is shown below. /cs (from g/a) clk (20mhz) a3~a1 (from sh) a0(/lbs) (from sh) /ube(a0) (from sh) /rd (from sh) d15~d8 d7~d0 t1 valid hi-z tw t2 valid hi-z (word access).

  • Page 439

    R76- of5750/5950 series january 2001 a3 - 11 a3.1.5 scanner motor control the overall control circuit diagram is shown below. Ioga5 ina motor driver motor outa outa-n inb tda tdb ref nmpt1, 2, 3, 4 r2 r1 enb ena tr503 tr502 rotation of the scanner motor is controlled by the ina, inb,ena and enb sign...

  • Page 440

    R76- of5750/5950 series january 2001 a3 - 12 a3.1.6 cpu peripheral circuits a3.1.6.1 memory (1) dram size: 8 mbytes (4 megabits x 16 bits; one chip) drive voltage: 3.3 v the basic control signal is generated by the bus state controller incorporated in the cpu. (2) flash rom size: 1.5 mbytes (512k bi...

  • Page 441

    R76- of5750/5950 series january 2001 a3 - 13 a3.1.6.3 backup circuit a rechargeable battery connected to the mcnt board externally supplies 6 v to the ic inside the mcnt board. This voltage is reduced to 3.3 v to be supplied to the dram and optional add-on memory. Thus, send/received data stored in ...

  • Page 442

    R76- of5750/5950 series january 2001 a3 - 14 a3.1.6.4 fan control one of the following fan control modes is selected depending on the heater temperature and system status. To detect fan errors, the fan sensor (fanalm-p) is monitored in the full speed mode. The fan sensor is not monitored for 3 secon...

  • Page 443

    R76- of5750/5950 series january 2001 a3 - 15 a3.1.7 led head control the ioga5 on the mcnt board transfers image data to the led head. After receiving the image data, the led head illuminates in the next line cycle, exposing the drum. The head’s internal block diagram is shown below. The timing char...

  • Page 444

    R76- of5750/5950 series january 2001 a3 - 16 hdclk-p hddld-p hdd(3-0)-p hdstb1-n hdstb2-n hdstb3-n hdstb4-n first line printing data sent second line printing data sent first line printing normal mode printing timing chart.

  • Page 445

    R76- of5750/5950 series january 2001 a3 - 17 a3.1.8 heater control the heater temperature is controlled based on the 8-bit digital data obtained by performing serial communication with the high-voltage power supply unit taking into account the system status, paper size, paper source, and setting men...

  • Page 446

    R76- of5750/5950 series january 2001 a3 - 18 a3.1.9 printer motor control (1) registration and main (drum) motors a registration motor and a drum motor are driven by means of control signals from the cpu and a driver ic. Cpu a2918sw dmph1-p 13 100 dmph2-p dmt1 main (drum) motor dmt2 8 1 2 101 1 17 d...

  • Page 447

    R76- of5750/5950 series january 2001 a3 - 19 (3) registration motor t0 t1 t2 t3 stop forward rotation hopping drive reverse rotation registration roller drive operation at normal speed: t0 to t3 = 1.016 ms rmon-n rmph1-p rmph2-p rotation (4) drive control time t0 to t3 determines the motor speed, wh...

  • Page 448

    R76- of5750/5950 series january 2001 a3 - 20 a3.1.10 toner low detection • device the toner low detection device consists of a stirring gear which rotates at a constant rate, a stiring bar and a magnet on the stirring bar. The stirring bar rotation is driven by the link to the gouged portion in the ...

  • Page 449

    R76- of5750/5950 series january 2001 a3 - 21 • when the toner low state is detected 2 times consecutively, toner low is established. • when the toner full state is detected 2 times consecutively, toner low is cancelled. • when there is no change with the toner sensor for 2 cycles (2.63 sec. X 2) or ...

  • Page 450

    R76- of5750/5950 series january 2001 a3 - 22 a3.1.11 centronics parallel interface the lsi sets a busy-p signal to on at the same time when it reads the parallel data (pdata1-p to pdata8-p) from the parallel port at the fall of stb-n signal. Furthermore, it makes the store processing of receiving da...

  • Page 451

    R76- of5750/5950 series january 2001 a3 - 23 a3.1.12 electrophotographic process the electrophotographic processing is outlined below. The electrophotographic printing process is shown in figure 2-4. 1 charging the surface of the image drum is charged uniformly with a negative charge by applying the...

  • Page 452

    R76- of5750/5950 ser ies j a n uar y 2001 a3 - 24 paper eject roller paper eject (face down) power supply power supply charger roller cleaning roller paper path selector heater roller fusing back-up roller image data led head developing roller doctor blade toner supply roller power supply (bias volt...

  • Page 453

    R76- of5750/5950 ser ies j a nuar y 2001 a3 - 25 fig. 2-5 feed start print-n prdy-n dm-on-n rm-on insns outsns-n in sensor off out sensor off feed stop.

  • Page 454

    R76- of5750/5950 series january 2001 a3 - 26 a3.1.12.1 process operation descriptions (1) hopping and feeding hopping and feeding motions are actuated by a single registration motor in the mecha- nism as shown below: the registration motor turning in direction "a" drives the nopping roller. The regi...

  • Page 455

    R76- of5750/5950 series january 2001 a3 - 27 (a) hopping 1 for hopping, the registration motor turns in direction "a" (clockwise direction) and drives the hopping roller to advance the paper until the inlet sensor turns on (in this case, the registration gear also turns, but the registration roller ...

  • Page 456

    R76- of5750/5950 series january 2001 a3 - 28 (2) charging charging is actuated by appliciation of the dc voltage to the charge roller thta is in contact with the image drum surface. Charge potential applied voltage -1300 -550 [v] [v] -750 the charge roller is composed of two layers, a conductive lay...

  • Page 457

    R76- of5750/5950 series january 2001 a3 - 29 (3) exposure light emitted by the led head irradiates the image drum surface with a negative charge. The surface potential of the irradiated portion of the image drum drops, forming an electrostatic latent image associated with the image signal. The image...

  • Page 458

    R76- of5750/5950 series january 2001 a3 - 30 the image drum surface is charged to about -750 v by the contact charge of the charge roller. When the light from the led head irradiates the image drum surface, the light energy generates positive and negative carriers in the cgl. The positive carriers a...

  • Page 459

    R76- of5750/5950 series january 2001 a3 - 31 (4) developing toner is attracted to the electrostatic latent image on the image drum surface, converting it into a visible toner image. Developing takes place through the contact between the image drum and the developing roller. 1 as the toner supply rol...

  • Page 460

    R76- of5750/5950 series january 2001 a3 - 32 note: the bias voltage required during the developing process is supplied to the toner supply roller and the developing roller, as shown below. -500 vdc is supplied to the toner supply roller, -265 vdc to the developing roller. Connected and bias supplied...

  • Page 461

    R76- of5750/5950 series january 2001 a3 - 33 (5) transfer the transfer roller is composed of conductive sponge material, and is designed to get the image drum surface and the paper in a close contact. Paper is placed over the image drum surface, and the positive charge, opposite in polarity to that ...

  • Page 462

    R76- of5750/5950 series january 2001 a3 - 34 (6) fusing after the end of the transfer operation, the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back-up roller. The heater roller with a teflon coating incorporates a 500 w heater (h...

  • Page 463

    R76- of5750/5950 series january 2001 a3 - 35 (7) cleaning when the transfer is completed, the residual toner left on the image drum is attracted to the cleaning roller temporarily by static electricity, and the image drum surface is cleaned. (8) cleaning of rollers the charge, transfer and cleaning ...

  • Page 464

    C34 of5750/5950 series january 2001 a3 - 36 a3.2 ope control the rough block diagram of the ope panel is shown below. P76 mcnt board cpu txd cn15 cn1 rxd ope board cpu lcd led key scan host interface between the mcnt and ope, serial data is transferred via the sio incorporated in the cpu. 1) communi...

  • Page 465

    C34 of5750/5950 series january 2001 a3 - 37 a3.3 modem c34 pc board functional overview • itu-t v.34 half-duplex transmission/reception (for image data) • itu-t v.33/v.17 transmission/reception (for image data) • itu-t v.29 transmission/reception (for image data) • itu-t v.27ter transmission/recepti...

  • Page 466

    C34 of5750/5950 series january 2001 a3 - 38 block diagram lsi, ic, and memory • x201 (crystal) * crystal oscillator: 24.5760 mhz • ic201 (mn195004mfn-1)(modem data pump) this lsi provides an interface with the host cpu. It is the heart of the modem. It consists of digital signal processing circuits....

  • Page 467

    C34 of5750/5950 ser ies j a n uar y 2001 a3 - 39 signal route cpu d p r a m d t e i / f t r i / f d s p c o r e pgcs bus i/f eye i/f i/0 port cx24 tx,rx tx,rx nuc[1:0] ic201 dpa[11:0] dpd[15:8] nopcs ndpwth ndpwtl ndprd ndirq1,2 cpuck nhdres xxconv sclkxx sdtiv,m sdt0v,m sclk sd ic202 fls201 ram201 ...

  • Page 468

    C34 of5750/5950 series january 2001 a3 - 40 ic201 pin assignment destination description destination description signal name signal name pin no. Pin no. Ic202 ic202 tvconv sdtiv 25 28 ic202 ic202 transmission/resception data (digital) sclk1t sd 29 22 ic202 ic202 rvconv sclk 24 23 ic202 ic202 reset s...

  • Page 469

    C34 of5750/5950 series january 2001 a3 - 41 ic202 pin assignment destination description destination description signal name signal name pin no. Pin no. Ic201 ic201 sclk vbaud 1 24 ic201 transmission/reception data (digital) ic201 sd sckl2t 2 25 ic201 reset signal ic201 reset sckl2r 3 30 ic201 ic201...

  • Page 470

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 42 a3.4 unc, wn5, fn5 and dn5 circuit diagram the ncu board is selected from unc, wn5, fn5 and dn5 because it differs depending on country’s specifications. Therefore, the ncu circuit diagram is destined for the following countries. • unc circuit ...

  • Page 471

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 43 3. Explanation on cn3 terminals cn3 terminal explanation unc wn5 dn5 fn5 pin no. Name (us.Ca) (int’l) (d.A.Ch) (f.Uk) 1 rev2 detection and output of the direction of dc * * * * line current. 2 oh2 detection of off-hook of terminal connected to ...

  • Page 472

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 44 4. Description on the ncu block diagram 4.1 unc circuit diagram 1 lightning arresters (ar1, 2) the nominal operating voltage is 350 v. When connecting the ground of the arrestor to the chassis, tighten arg on the pcb with a screw. At this time,...

  • Page 473

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 45 figure a3.4.1 block diagram of unc tel1 tel2 cn2 (2/2) cn2 (1/2) cn1 ar 1 , ar 2 arresters 1 line sr rl 2 cml rl 1 7 8 c31 r5 c dp rl3 b r 10 , 11 4 t 1 e 5 impedance matching nt pp rl6 a receiving sensitivity adj r 574 , r 504 6 r rp s ri oh2 ...

  • Page 474

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 46 4.2 wn5 circuit diagram 1 lightning arresters (ar1, 2) the nominal operating voltage is 500 v. When connecting the ground of the arrestor to the chassis, tighten arg on the pcb with a screw. At this time, the pcb is grounded through the power c...

  • Page 475

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 47 d ring detectors (ic1) these circuits detect a ring signal arriving to the line. If the input ring signal exceeds a specific voltage, the circuits output a signal of ri having the same frequency as incoming ri. E line transformer (t1) this circ...

  • Page 476

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 48 figure a3.4.2 block diagram of wn5 ar 1 , ar 2 arresters tel1 tel2 line 1 db1 ic5 ic7 dp dc circuit b rl3 4 3 sw s3 h mute 0 9 cml 7 8 sr i sw s1 - 3~6 ring detector c31 r590 c11 t1 e impedance matching nt 5 g cn15 ~ cn45 receiving sensitivity ...

  • Page 477

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 49 4.3 fn5 circuit diagram 1 lightning arresters (ar1, 2) the nominal operating voltage is 500 v. When connecting the ground of the arrestor to the chassis, tighten arg on the pcb with a screw. At this time, the pcb is grounded through the power c...

  • Page 478

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 50 e line transformer (t1) this circuit processes send/receive signals required for facsimile transmission, dial tone receive signals required for automatic dialing, and mf tone send and remote receive signals. It separates between the line and eq...

  • Page 479

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 51 figure a3.4.3 block diagram of fn5 tel1 tel2 t rl7 f ic 2 f ic 1 d sr 8 rl2 rl1 cml s ar 1 , ar 2 arresters cn26/cn36 (f) (uk) cn26, cn36 mute ic 7 r q1, q2 q3 4 h 0 9 dbi dp ic5 ic 6 q c 11 c 31 r 590 rl3 t 1 c e mute ficc receiving sensitivit...

  • Page 480

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 52 4.4 dn5 circuit diagram 1 lightning arresters (ar1, 2) the nominal operating voltage is 500 v. When connecting the ground of the arrestor to the chassis, tighten arg on the pcb with a screw. At this time, the pcb is grounded through the power c...

  • Page 481

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 53 d ring detectors (ic1) these circuits detect a ring signal arriving to the line. If the input ring signal exceeds a specific voltage, the circuits output a signal of ri having the same frequency as incoming ri. E line transformer (t1) this circ...

  • Page 482

    Unc/wn5/fn5/dn5 of5750/5950 series january 2001 a3 - 54 figure a3.4.4 block diagram of dn5 cn2 tel1 s1-1~2 tel2 cn1 8 sr cml rl 2 7 2 loop current detection lpf 16 khz oh1 rl 1 p rl4 pbxe line ar 1 rl 7 ic 2 f f c 1 i ic 1 d j s1-4 s4-1~2 c31 c r590 c 11 t 1 e b rl 3 mute db1 ic5 ic7 9 0 dp mute dc ...

  • Page 483

    Of5750/5950 series january 2001 a3 - 55 mpw2520/2420 a3.5 power supply board caution: • voltage charged in the capacitor may cause shock hazards. After turning on the ac power, never touch the pattern on the power supply board. • for maintenance, oki data corporation recommendes replacement of power...

  • Page 484

    Of5750/5950 ser ies j a n uar y 2001 a3 - 56 mpw2520/2420 (2) block diagram acin sw1 f1 f21 filter power supply circuit +38v +24v +8v +5vs +5v -8v 0v f101 24,25,26 32 31 15 20.21,22,23 30 6,17,18,19 27,28,29 +3.3v 0v cn104 1~5 6~10 cn103 3 1 cn2 acout t 5 heater control circuit low voltage power sup...

  • Page 485

    Of5750/5950 series january 2001 a3 - 57 h10 a3.6 high-voltage power supply circuit this high-voltage power supply circuit receives the high-voltage generation timing control command that is transmitted in serial through the power supply interface from the control section. It decodes this command by ...

  • Page 486

    Of5750/5950 series january 2001 a3 - 58 h10 sensor control ic2 psout-n +5v high-voltage power supply board +5v ps6 ps4 ps2 ps5 ps3 ps1 7 wrsns-n 6 psin1-n 4 paper-n 8 psin2-n 5 tnrsns-n sensor signal off shield 3 on transparent.

  • Page 487

    Of5750/5950 series january 2001 a3 - 59 g4a a3.7 g4a-pcb this pcb board is optionally available. Using this board allows the system to be ready for the g4 protocol. This board is connected to the mcnt board through the oki’s original mupis interface. The block diagram of this board is shown on the n...

  • Page 488

    Of5750/5950 ser ies j a n uar y 2001 a3 - 60 g4a g4a board block diagram isdn driver ytd421 hc244 1/2 hc244 1/2 hc244 1/2 hc244 1/2 ad (7:0) isdn controller ytd423 pcm codec msm7507-01 epld epm7032lc44 cpu sh7034 flash memory (512kbyte) d-ram (2mbyte) a (19:0) a (16:1) a (15:0) d (15:0) d (15:0) ce,...

  • Page 489

    Of5750/5950 series january 2001 a3 - 61 a3.8 g3a-pcb this pcb board is optionally available. Using this board allows the system to be ready for additional g3 line. This board is connected to the mcnt board through the oki's original mupis interface. And this board is connected to the ncu board throu...

  • Page 490

    Of5750/5950 ser ies j a n uar y 2001 a3 - 62 g3a board block diagram epld isplsi2032e cpu sh7034 20mhz x201 x'tal flash memory 512 kbytes dram 2 mbytes ic201 modem data pump mn195004mfn-1 ic202 analog front end tr88017s cn2 (30 pin) dual port ram 2 kbytes a (19:0) dm2 board connection board between ...

  • Page 491

    Appendix b descriptions of print operation.

  • Page 492

    Contents appendix b description of print operations for okifax 5750/5950 page b.1 mechanical components ....................................................................................... B-1 b.2 description of print operations .......................................................................

  • Page 493

    Description of print operations of5750/5950 series january 2001 b - 1 b.1 mechanical components 1) ep drum cartridge the ep (image) cartridge consists of an ep (image) drum, a charger, and a developer. The cartridge forms a toner image on the drum, using an electrostatic latent image formed by the l...

  • Page 494

    Description of print operations of5750/5950 series january 2001 b - 2 turning the resist motor in the "a" direction drives the hopping roller. Turning the resist motor in the "b" direction drives the resist roller. The resist gear and hopping gear contain one-way clutch, so that turning each of thes...

  • Page 495

    Description of print operations of5750/5950 series january 2001 b - 3 (a) hopping q hopping turns the resist motor in the "a" direction (in the cw direction) and drives the hopping roller to advance the paper until the inlet sensor turns on. (in this case, the resist gear also turns, but the resist ...

  • Page 496

    Description of print operations of5750/5950 series january 2001 b - 4 (b) feeding 1 after end of hopping, turning the resist motor in the "b" direction (in the ccw direction) drives the resist roller to advance the paper. (in this case, the hopping gear also turns, but the hopping roller is prevente...

  • Page 497

    Description of print operations of5750/5950 series january 2001 b - 5 the charge roller is composed of two layers consisting of a conductive layer and a surface protective layer that has elasticity, in order to secure a good contact with the ep (image) drum. When the dc voltage (-1.30kv kvdc) applie...

  • Page 498

    Description of print operations of5750/5950 series january 2001 b - 6 3) exposure light emitted from the led head irradiates the ep (image) drum surface with negative charges. The surface potential of the irradiated part of the ep drum drops, thereby forming an electrostatic latent image associated ...

  • Page 499

    Description of print operations of5750/5950 series january 2001 b - 7 the ep (image) drum surface is charged to about -800 v by the contact charge of the charge roller. When light from the led head irradiates the ep (image) drum surface, the light energy generates positive and negative carriers in t...

  • Page 500

    Description of print operations of5750/5950 series january 2001 b - 8 4) developing toner is attracted to the electrostatic latent image on the ep (image) drum surface to convert it into a visible toner image. Developing takes place at the contact between the ep (image) drum and the developing rolle...

  • Page 501

    Description of print operations of5750/5950 series january 2001 b - 9 note: the toner supply roller and the developing roller are supplied with bias voltages required during the developing process as shown below. -500 vdc is supplied to the toner supply roller, -265 vdc to the developing roller. Con...

  • Page 502

    Description of print operations of5750/5950 series january 2001 b - 10 5) transfer the transfer roller is composed of conductive sponge material and is designed to make the ep (image) drum surface and the paper closely into contact. Paper is placed over the ep (image) drum surface, and a positive ch...

  • Page 503

    Description of print operations of5750/5950 series january 2001 b - 11 6) fusing after the end of the transfer operation, the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back-up roller. The heater roller with a teflon coating incor...

  • Page 504

    Description of print operations of5750/5950 series january 2001 b - 12 7) cleaning after the end of the transfer, residual toner on the ep (image) drum is attracted to the cleaning roller temporarily by static electricity to clean the ep (image) drum surface. 8) cleaning of rollers the charge roller...

  • Page 505

    Description of print operations of5750/5950 series january 2001 b - 13 b.3 errors b.3.1 errors list the errors are listed below. 1) major trouble errors • fuser error • fan error • 2'nd tray communication error • toner lockout 2) recoverable errors • cover open • 2'nd tray route open • paper size er...

  • Page 506

    Description of print operations of5750/5950 series january 2001 b - 14 fanon fansns max3sec max3sec b.3.2 major trouble errors b.3.2.1 fuser error the fuser error indicates an error in thermister on heater. In case the fuser error occurs at the time of printing, the heater is turned off soon but the...

  • Page 507

    Description of print operations of5750/5950 series january 2001 b - 15 b.3.2.4 2'nd tray communication error this error is generated if on sending a command to the 2'nd tray is returned no-status (90 ms) or an undefined status. However, in case there is no status when reset, it will be considered th...

  • Page 508

    Description of print operations of5750/5950 series january 2001 b - 16 b.3.3 recoverable errors the three recoverable errors are listed in the table below. Status 2’nd tray route open description and supervising sensor paper supply route from the option 2’nd tray to the main body is open, recording ...

  • Page 509

    Description of print operations of5750/5950 series january 2001 b - 17 b.3.3.1 toner low detection • composition the device consists of the stirring gear which rotates at a constant rate, the stirring bar and the magnet on the stirring bar. The stirring bar rotates through the link on the protrusion...

  • Page 510

    Description of print operations of5750/5950 series january 2001 b - 18 low toner alarm a check for low toner is carried out at all times when the drum is rotating (rotation in opposite direction is excluded). • the toner sensor is not monitored while the drum motor is in halt. Toner full state t1 tn...

  • Page 511

    Description of print operations of5750/5950 series january 2001 b - 19 b.4 other special cases b.4.1 manual paper feed turning on of the inlet sensors without the hopping operation indicates manual paper feeding for okifax 5750/5950 (excluding when power is on). B.4.2 cleaning the image drum needs c...

  • Page 512

    Description of print operations of5750/5950 series january 2001 b - 20 toner cartridge ep cartridge developing roller led head charge roller heat roller hopping roller resist roller inlet sensor lever paper sensor transfer roller cleaning roller back-up roller outlet sensor paper cassette lever-chan...

  • Page 513

    Appendix c not used at this time.

  • Page 514

    Appendix d mechanical expanded view drawing and parts list (okifax 5750/5950) january, 2001 oki data corporation.

  • Page 515

    C o n t e n t s page drawing parts lists section 1 cabinet assembly ........................................... D-1 d-2 section 2 control panel assembly ............................ D-3 d-4 section 3 printer assembly ........................................... D-5 d-6, 7 section 4 base assembly .......

  • Page 516

    Of5750/5950 series january 2001 d - 1 section 1 cabinet assembly 27 28 29.

  • Page 517

    Of5750/5950 series january 2001 d - 2 section 1 cabinet assembly rev. No. Oki parts number description q’ty remarks 1 41333201 document stacker assy. 1 2 40729501 cover: rear 1 3 40762001 cover: side (r) 1 4 40729401 cover: ncu 1 5 40729301 cover: main 1 6 40804001 cover assy.: document table 1 7 40...

  • Page 518

    Of5750/5950 series january 2001 d - 3 section 2 control panel assembly 11.

  • Page 519

    Of5750/5950 series january 2001 d - 4 section 2 control panel assembly rev. No. Oki parts number description q’ty remarks 1a 40802913 op panel assy. 1 okifax 5750 1b 40802914 op panel assy. 1 okifax 5950 2 40733401 film: one touch 1 3 4 0733301 sheet: one touch 1 4 40733302 sheet: one touch 1 okifax...

  • Page 520

    Of5750/5950 series january 2001 d - 5 section 3 printer assembly 53 54 31 10 55 52 34 56.

  • Page 521

    Of5750/5950 series january 2001 d - 6 section 3 printer assembly 1/2 rev. No. Oki parts number description q’ty remarks 1 40796501 stacker assy. 1 2 40778101 gear: idle a (z60/16) 1 3 40229001 motor: pulse (main) 1 4 40396201 motor: pulse (registration) 1 5 40295101 gear: idle b (z60/16) 1 6 4122470...

  • Page 522

    Of5750/5950 series january 2001 d - 7 section 3 printer assembly 2/2 rev. No. Oki parts number description q’ty remarks 37 screw 4 38 screw 1 39 screw 4 40 screw 1 41 screw 1 42 40640801 spring: head 2 43 50517001 washer b 1 44 50517201 washer c 1 45 56731701 cord: tlk 1 smcd7x320bdx10/6 46 halogen ...

  • Page 523

    Of5750/5950 series january 2001 d - 8 section 4 base assembly.

  • Page 524

    Of5750/5950 series january 2001 d - 9 section 4 base assembly rev. No. Oki parts number description q’ty remarks 1 40275501 plate: guard 1 2 56512801 motor: dc fan 1 3 40628501 120v power supply 1 4 40660201 high voltage power supply: h10 1 5a 40755115 pcb: m76-5 1 okifax 5950 5b 40755116 pcb: m76-6...

  • Page 525

    Of5750/5950 series january 2001 d - 10 section 5 frame assembly-scanner (l) 31 30 33 32.

  • Page 526

    Of5750/5950 series january 2001 d - 11 section 5 frame assembly-scanner (l) rev. No. Oki parts number description q’ty remarks 1 40803504 frame assy.: scanner (l) 1 2 40731201 frame: scanner (l) 1 3 41078003 motorassy.: scanner a 1 4 40803803 motor: pulse (s) 1 5 40976401 roller assy.: adf 1 6 40983...

  • Page 527

    Of5750/5950 series january 2001 d - 12 section 6 frame assembly-scanner (u).

  • Page 528

    Of5750/5950 series january 2001 d - 13 section 6 frame assembly-scanner (u) rev. No. Oki parts number description q’ty remarks 1 frame assy.: scanner (u) 1 2 40731101 frame: scanner (u) 1 3 50410301 feed roller assy. 1 4 51023801 earth-plate (sr) 1 5 51023901 earth-plate (sl) 1 6 40803601 plate assy...

  • Page 529

    Of5750/5950 series january 2001 d - 14 section 7 cables, option boards.

  • Page 530

    Of5750/5950 series january 2001 d - 15 ∗ 28 29 section 7 cables, option boards.

  • Page 531

    Of5750/5950 series january 2001 d - 16 section 7 cables, option boards rev. No. Oki parts number description q’ty remarks 1 conn cord-ope2 1 2 conn cord-ope1 1 3 conn cord-pc1/pc2 1 4 conn cord-wire motor 1 5 conn cord-cis 1 6 40916401 speaker 1 7 conn cord-psu (3.3v) 1 8 conn cord-psu (high/low) 1 ...

  • Page 532

    Appendix e not used at this time.

  • Page 533

    Appendix f second paper feeder maintenance manual (okifax 5750/5950 series) january, 2001 oki data corporation.

  • Page 534

    Preface this maintenance manual is intended for the maintenance personnel and describes the field mainte- nance methods for second paper feeder option of okifax 5750/5950 series facsimile transceiver. Refer to the instruction sheet of high capacity second paper feeder option for equipment handling a...

  • Page 535

    Contents page 1. Outline .............................................................................................................. F-1 1.1 functions .............................................................................................................. F-1 1.2 external view and component...

  • Page 536

    Of5750/5950 series january 2001 f - 1 fig. 1-1 external view and component names 1. Outline 1.1 functions when the second paper feeder is installed with the okifax 5750/5950 series facsimile transceiver, the second paper feeder is connected to the facsimile by a connector. The second paper feeder su...

  • Page 537

    Of5750/5950 series january 2001 f - 2 2. Mechanism description 2.1 general mechanism the second paper feeder feeds the paper into the facsimile by receiving the signal from the facsimile, which drives the pulse motor inside the second paper feeder, and this motion is transmitted to rotate the one-wa...

  • Page 538

    Of5750/5950 series january 2001 f - 3 3. Parts replacement this section covers the procedures for the disassembly, reassembly and installations in the field. This section describes the disassembly procedures, and for reassembly procedures, basically proceed with the disassembly procedures in the rev...

  • Page 539

    Of5750/5950 series january 2001 f - 4 table 3-1 service tools [service tools] table 3-1 shows the tools required for the replacement of printed circuit boards, assemblies and units in the field. No. Service tools q'ty application remarks no. 1-100 philips screwdriver no. 2-100 philips screwdriver no...

  • Page 540

    Of5750/5950 series january 2001 f - 5 fig. 3-1 3.2 parts layout this section describes the layout of the main components. Stepping motor guide l (2nd) assy hopping frame assy guide r (2nd) assy (includes stepping motor and tqsb-2pcb) upper plate cassette assy 1 hopping roller shaft assy one-way clut...

  • Page 541

    Of5750/5950 series january 2001 f - 6 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disas- sembly order diagram below. Second paper feeder stepping motor (hopping) (3.3.1) tqsb-2pcb (3.3.2) hopping roller shaft assy and one-way cl...

  • Page 542

    Of5750/5950 series january 2001 f - 7 3.3.1 stepping motor (hopping) (1) turn the facsimile power switch off, pull out the ac cord from the outlet. Remove the facsimile off second paper feeder. (2) take the paper cassette assy 1 out of second paper feeder. (3) remove six screws 2 and remove the uppe...

  • Page 543

    Of5750/5950 series january 2001 f - 8 (6) remove three screws 9 which are holding the guide r (2nd) assy 0 to the bottom plate a . Remove the screw b which is keeping the rear cover c and guide r (2nd) assy 0 . Remove the guide r (2nd) assy 0 . (7) remove the protect (m) d , guide bracket e , planet...

  • Page 544

    Of5750/5950 series january 2001 f - 9 3.3.2 tqsb2-pcb (1) remove the pulse motor (see 3.3.1). (2) remove the connector o from the tqsb-2pcb p . (3) remove the screw q and remove the tqsb-2pcb p . Note : refer to detall a in the previous page. 3.3.3 hopping roller shaft assy and one-way clutch gear (...

  • Page 545

    Of5750/5950 series january 2001 f - 10 4. Troubleshooting 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the facsimile handbook. (2) obtain detailed information concerning the problem from the user. (3) go through checking in the conditions similar t...

  • Page 546

    Of5750/5950 series january 2001 f - 11 classification lcd status message description recovery method jam error (feeding) *1 jam error (ejection) paper size error tray paper out *2 • check the paper in the second paper feeder. Carry out the recovery printing by opening and closing the cover, and turn...

  • Page 547

    Of5750/5950 series january 2001 f - 12 ** paper inlet jam ** does paper jam at the inlet when the power is turned on? Is the paper located above the sensor plate (inlet)? Is the sensor plate (inlet) operating normally? Replace the power supply/sensor board or inlet sensor. When the paper is fed in, ...

  • Page 548

    Of5750/5950 series january 2001 f - 13 are the hopping roller and feed roller rotating? Is the pulse motor turning? Is the connector being connected properly? Check the coil resistance (approx. 4.3 Ω ) of the pulse motor. Is it normal? Replace the hopping roller shaft assy or one-way clutch gear on ...

  • Page 549

    Of5750/5950 series january 2001 f - 14 tqsb-2pcb "motor" m stepping motor 2 m-t3 1 m-t4 4 m-t1 3 m-t2 "pu" to okifax 5750/5950 facsimile transceiver optsin-n optsclk-n optsd-p optsdr-n ovp + 30v ovl + 5v 1 2 3 4 5 6 7 8 5. Connection diagram 5.1 interconnection diagram.

  • Page 550

    Of5750/5950 series january 2001 f - 15 5.2 pcb layout tqsb-2pcb pu fg controller motor driver sen2 motor osc sen1.

  • Page 551

    Of5750/5950 series january 2001 f - 16 figure 6-1 6. Parts list section1 cabinet & cassette assembly p 7 2 8 1 6 5 3 4 o.

  • Page 552

    Of5750/5950 series january 2001 f - 17 section2 mechanical assembly figure 6-2 9 a 0 c k b m l d n e f g h v t s u i j r q a a b b.

  • Page 553

    Of5750/5950 series january 2001 f - 18 table 6-1 paper feeder no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 oki oarts number 1pp4122-1401p001 3pa4122-1370g001 1pa4122-1369g001 3pa4122-1371g001 1pa4122-1362g004 4pp4120-1009g001 1pp4122-1323p001 4pb4122-144...