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Oki OKIPAGE18 Maintenance Manual

Manual is about: Oki Printer User Manual

Summary of OKIPAGE18

  • Page 1

    40931201th rev. 4 1 / 244 okipage18 / okipage20plus led page printer maintenance manual oda/ oel/ int 2002-09-06 rev. 4.

  • Page 2: Preface

    40931201th rev. 4 2 / preface this maintenance manual describes the field maintenance methods for okipage18/okipage20plus. This manual is written for use by maintenance personnel. Note, however, that the user should refer to the user’s manual for methods of handling and operating the equipment..

  • Page 3: Contents

    40931201th rev. 4 3 / contents 1. Configuration ....................................................................................... 7 1.1 system configuration ................................................................................................. 7 1.2 printer configuration ..............

  • Page 4

    40931201th rev. 4 4 / 3.3.28 lever-paper end & lever-paper near end ................................................... 85 3.3.29 guide assy-cassette (l) .............................................................................. 87 3.3.30 guide assy-cassette (r) ....................................

  • Page 5

    40931201th rev. 4 5 / appendix a centronics parallel interface ..................................... 168 appendix b rs-232c serial interface .................................................... 172 appendix c duplex unit maintenance ........................................................... 174 1. ...

  • Page 6

    40931201th rev. 4 6 / 4. Troubleshooting ............................................................................................... 217 4.1 precautions prior to the troubleshooting ..................................................... 217 4.2 preparations for the troubleshooting ..................

  • Page 7

    40931201th rev. 4 7 / 1. Configuration 1.1 system configuration okipage18 / okipage20plus consists of control and engine blocks as the standard configu- ration (see figure 1-1.) in addition, the following options are also available. Printer operator panel face down stacker face up stacker power supp...

  • Page 8

    40931201th rev. 4 8 / 1.2 printer configuration the printer unit consists of the following hardware components: • electro-photographic processor • paper feeder • controller • operator panel • power supply unit figure 1-2 shows the printer unit configuration. Figure 1-2 face-up stacker assy cover-rea...

  • Page 9

    40931201th rev. 4 9 / 1.3 optional configuration the options below are available for use with okipage18 / okipage20plus. They are sold separately from the printer unit. (1) multi feeder (2) second/ third paper feeder (3) duplex unit.

  • Page 10

    40931201th rev. 4 10 / (4) d-ram simm module (72 pin simm, 16 mb/32 mb, edo simm type) (5) flash rom module (72 pin simm, 4mb/8mb) see 7.2 (1) for where to install. See 7.2 (1) for where to install..

  • Page 11

    40931201th rev. 4 11 / 1.4 specification (1) type desk top (2) external dimensions height 13.0” (331 mm) (excludes protruding width 14.4” (366 mm) portion) depth 18.2” (462 mm) (3) weight 19.0 kg (42 lbs) if installed duplex 21.3 kg (47 lbs) (4) development method dry electrophotography exposure met...

  • Page 12

    40931201th rev. 4 12 / (12) temperature and humidity (13) noise during operation: 52 dba or less (without second tray) 55 dba or less (with second tray) at standby: 45 dba or less power save mode: 43 dba or less (14) consumables toner cartridge kit 6,000 pages(5% duty)* image drum cartridge 30,000 p...

  • Page 13

    40931201th rev. 4 13 / 1.5 safety standards 1.5.1 certification label the safety certification label is affixed to the printer in the position below. Ex. Oda 120v 1.5.2 warning label the warning label is affixed to the portion which may cause an injury to human body. Follow the instructions on warni...

  • Page 14

    40931201th rev. 4 14 / 2. Operation description okipage18 / okipage20plus consists of a main control board, a power supply unit (120v/ 230v), a power supply unit (high voltage), an operator panel and an electro-photographic process mechanism. The control board receives data through a host i/f, decod...

  • Page 15

    40931201th rev. 4 15 / figure 2-1 okipage18 / okipage20plus block diagram flash rom module ps rom extension dram module dram centronics i/f rs232c i/f lan etc. (option) outlet sensor ac120v/230v oki hsp i/f board (option) pcl rom driver receiver driver receiver transistor transistor driver driver ee...

  • Page 16

    40931201th rev. 4 16 / built-in device function chip select controller control of peripheral lsi, rom, dram and i/o device bus controller dram controller dma controller transfer of data from host i/f to ram serial interface controller control of rs232c serial interface parallel interface controller ...

  • Page 17

    40931201th rev. 4 17 / memory area use memory capacity setting menu expansion ram system area fixed fixed raster buffer enable expandable receive buffer enable expandable page buffer – expandable dll/macro buffer – expandable font cache buffer enable expandable (3) dram's 16-megabyte dram (64 mbit d...

  • Page 18

    40931201th rev. 4 18 / (a) centronics bidirectional parallel interface this is an interface conforming to ieee-1284 and provides either of unidirectional and bidirectional communications according to each of the following communication modes. • compatibility mode unidirectional communications from t...

  • Page 19

    40931201th rev. 4 19 / (7) ram module • pin layout • basic specificaton - type: 72 pins standerd simm (32 bits buss width) [note : edo simmtype] - access time: 60ns, 70ns, 80ns, 100ns - capacity: 16 or 32mb - parity: none (8) flash rom module • pin layout • basic specificaton - type: 72 pins siim (3...

  • Page 20

    40931201th rev. 4 20 / output voltage use +5 v logic circuit supply voltage +30 v motor and fan drive voltage and source voltage for high-voltage supply +8 v reset circuit, rs232c line voltage –8 v rs232c line voltage +3.8v led head supply voltage output voltage use remarks sub-ch -15 µ a voltage ap...

  • Page 21

    40931201th rev. 4 21 / outlet sensor roller-feeder (c) roller-exit inlet sensor 1 inlet sensor 2 toner sensor paper running direction paper sensor roller-heat roller-transfer feed roller roller-regist sensor inlet sensor 1 inlet sensor 2 paper sensor outlet sensor toner low sensor figure 2-3 functio...

  • Page 22

    40931201th rev. 4 22 / 2.3 electro-photographic process 2.3.1 electro-photographic process mechanism this mechanism prints image data from the control board on the paper by electro-photographic process. The figure 2-4 shows the layout of the electro-photographic process mechanism. Figure 2-4 front f...

  • Page 23

    40931201th rev. 4 23 / (1) image drum unit the image drum unit consists of a sensitive drum, a charger, and a developer. The unit forms a toner image on the sensitive drum, using a electrostatic latent image formed by the led head. (2) hopping motor this motor is a pulse motor of 48 steps/rotation t...

  • Page 24

    40931201th rev. 4 24 / 2.3.2 electro-photographic process the electro-photographic processing is outlined below. Figure 2-5 shows the electro-photo- graphic printing process. 1 charging the surface of the image drum is uniformly charged with negative charges by applying a negative voltage to the cha...

  • Page 25

    40931201th rev. 4 25 / figure 2-5 paper eject roller paper eject (face down) power supply charger roller cleaning roller power supply paper path selector heater roller fusing fusing pressure image data led head developing roller power supply (bias voltage) doctor blade transfer roller paper registra...

  • Page 26

    40931201th rev. 4 26 / figure 2-6 paper tray paper printer simplex printing timing chart stacker off on off on on off on off off on off on off on off on dmon-n (drum motor) hmon-n (hopping motor) pwm1-p (cluch for hopping) pwm2-p (cluch for registration) psin1-n (inletsensor1) wrsense-n (paper senso...

  • Page 27

    40931201th rev. 4 27 / figure 2-7 paper tray paper printer printer stacker duplex unit duplex printing timing chart printer/ duplex unit duplex unit/ printer off on off on on off on off off on off on off on off on off on on off on off off on off on off on dmon-n (drum motor) hmon-n (hopping motor) p...

  • Page 28

    40931201th rev. 4 28 / 2.3.3 process operation descriptions (1) hopping hoppings from the first tray and the front feeder are effected by a single hopping motor in the mechanism shown below. Turning the hopping motor in direction a (cw) drives the 1st hopping roller. Turning the hopping motor in dir...

  • Page 29

    40931201th rev. 4 29 / (a) hopping from the 1st tray 1 hopping rotating the hopping motor in direction a (cw) drives the 1st hopping roller and the sub roller then pick up a sheet of paper in the 1st tray. The main motor is always driven in direction c (ccw) on printing. After the paper fed approx. ...

  • Page 30

    40931201th rev. 4 30 / (b) hopping from the front feeder 1 hopping the front feeder plate is normally locked at the lower position by the release lever and turn the micro sw on. Top of the ff cam which attached on end of the front hopping shaft is normally located upper position (0 to 30 degree : ho...

  • Page 31

    40931201th rev. 4 31 / front feeder plate gear c (one way clutch build in) paper hopping roller (front feeder) regist roller pressure roller hopping motor paper d inlet sensor hopping roller gear a 1st hopping gear (one way gear build in) sub roller b (ccw) 0~30 ° 60 ° 180 ° ff cam micro sw front fe...

  • Page 32

    40931201th rev. 4 32 / (2) feeding after the end of hopping, the pulse motor dedicated for driving the registration roller rotates to drive the registration roller. The driven registration roller advances the paper until it comes out of the registration roller. When leading edge of the paper causes ...

  • Page 33

    40931201th rev. 4 33 / (3) charging charging is effected by applying a dc minus voltage to the charge roller that is in contact with the image drum surface. (4) exposure light emitted from the led head irradiates the image drum surface with negative charges. The surface potential of the irradiated p...

  • Page 34

    40931201th rev. 4 34 / (5) developing toner is attracted to the electrostatic latent image on the image drum surface to convert it into a visible toner image. Developing takes place at the contact between the image drum and the developing roller. 1 as the toner supply roller rotates while rubbing on...

  • Page 35

    40931201th rev. 4 35 / (6) transfer the transfer roller is composed of conductive sponge material and is designed to make the image drum surface and the paper closely into contact. Paper is placed over the image drum surface, and a positive charge, opposite in polarity to the toner, is applied to th...

  • Page 36

    40931201th rev. 4 36 / (7) fusing after the end of the transfer, 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 750w heater (halogen lamp), which heats the hea...

  • Page 37

    40931201th rev. 4 37 / (8) cleaning after the end of the transfer, residual toner on the image drum is attracted to the cleaning roller temporarily by static electricity to clean the image drum surface. (9) cleaning of rollers the charge roller, transfer roller and cleaning roller are cleaned in the...

  • Page 38

    40931201th rev. 4 38 / 2.3.4 revision of led head illumination an led correcting head, which is capable of correcting the illumination of the led for each dot, is being used in this printer. Led illumination correction function of 16 steps is carried out by using an eeprom which is installed in the ...

  • Page 39

    40931201th rev. 4 39 / (i) read of correction data clock load data 3~0 strb1-n strb2-n strb3-n strb4-n mode setting rd mode enabled rd mode set rd 250ns min high-z high-z data1 data3 correction data1 correction data2 correction data 4992 data2 data4 1000 dummy cycle 8 clocks rd cycle 8 clocks rd cyc...

  • Page 40

    40931201th rev. 4 40 / 011 00 clock load data 3~0 strb4~1 mode setting total 2496 clocks correction data 1 correction data 4991 correction data 4992 correction data 2 correction data 4 correction data 3 direct mode enabled direct mode set direct 250ns min (ii) transfer of correction data to head dri...

  • Page 41

    40931201th rev. 4 41 / (2) one side wire-bonding head data 3 data 2 data 1 data 0 clock load strb4-n strb3-n strb2-n strb1-n correction control lsi eeprom led led led led led led led led driver led driver led array from cpu (i) led head is set to the correction control read mode and all correction d...

  • Page 42

    40931201th rev. 4 42 / (i) read of correction data clock load data 3~0 strb1-n strb2-n strb3-n strb4-n mode setting rd mode enabled rd mode set rd 250ns min high-z high-z data1 data3 correction data1 correction data2 correction data 5200 data2 data4 1000 dummy cycle 8 clocks rd cycle 8 clocks rd cyc...

  • Page 43

    40931201th rev. 4 43 / (ii) transfer of correction data to head driver correction data 011 00 clock load data 3~0 strb4~1 strb1-n strb2-n strb3-n strb4-n mode setting total 5200 clocks correction data1 correction data1300 correction data1301 correction data2 direct tp ditail figure a-d a part of a a...

  • Page 44

    40931201th rev. 4 44 / the led driver corrects the led illumination by controlling the led current. The led illumination can be set in 16 steps, with 7 steps in the direction of illumination increase in relation to the standard value, and 8 steps in the direction of decrease. For this reason, the le...

  • Page 45

    40931201th rev. 4 45 / clock load data3~0 strb1-n strb2-n strb3-n strb4-n normal mode printing timing chart first line printing data sent second line printing data sent first line printing the printing operation timing chart is shown below. The printing operation is carried out in normal mode. Under...

  • Page 46

    40931201th rev. 4 46 / 2.4 paper jam detection the paper jam detection function supervises the paper state at power-on time and during printing. In the event that the following state occurs, this function interrupts the printing process. If any of the following errors is presented, recovery printing...

  • Page 47

    40931201th rev. 4 47 / 2.5 cover open when the stacker cover is opened, the cover open microswitch on the power supply unit (high voltage) is turned off to cut the supply of +30v to the high voltage power supply circuit. As a result, all high-voltage outputs are interrupted. At the same time, the cv...

  • Page 48

    40931201th rev. 4 48 / 2.6 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 in the stirring gear. Operation during toner full s...

  • Page 49

    40931201th rev. 4 49 / toner full state toner low state tnrsns t1 t1 tnrsns 2.727 sec. T1 2.727 sec. T1 > 2.727/4 • 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 ther...

  • Page 50

    40931201th rev. 4 50 / 2.7 stacker-full detection the sensor (interlocked with the lever) at the paper outlet to the stacker detects a stacker-full state (about 250 sheets) and stops printing of the ensuing pages. 2.8 page size detection the four tab pieces are driven according to the setting positi...

  • Page 51

    40931201th rev. 4 51 / disconnect connect off on 3. Parts replacement the section explains the procedures for replacement of parts, assemblies, and units in the field. Only the removal procedures are explained here. Reverse the procedure for the installation. 3.1 precautions for parts replacement (1...

  • Page 52

    40931201th rev. 4 52 / [service tools] table 3-1 shows the tools required for field replacement of printed circuit boards and units. Table 3-1 service tools no. No. 1-100 philips screwdriver q' ty place of use remarks service tools 1 2 3 4 5 6 8 9 10 no. 2-200 philips screwdriver, magnetized no. 3-1...

  • Page 53

    40931201th rev. 4 53 / figure 3-1 3.2 parts layout face-up stacker assy cover-rear roller-transfer cover-frame cover-side(r) manual feed assy case assy-cassette base unit cover-side(l) assy cover-blind contact assy frame-op panel assy cover-side(i/f) plate-shield main control board (board-ffh).

  • Page 54

    40931201th rev. 4 54 / figure 3-2 feed unit-front heat-assy guide-assy-eject led head frame-main dc fan motor roller assy-feed motor-main toner cartridge (type 7) id unit (type 7) stacker cover.

  • Page 55

    40931201th rev. 4 55 / figure 3-3.

  • Page 56

    40931201th rev. 4 56 / 3.3 how to change parts this section explains how to change parts and assemblies appearing in the disassembly diagram below. Printer unit face-up stacker assy contact assy op panel assy paper cassette, roller ass-feed, roller-assy-hopping transfer roller/tr gear/ tr bearing (3...

  • Page 57

    40931201th rev. 4 57 / 3.3.1 face -up stacker assy (1) turn off the ac power switch and unplug the ac power cord from the outlet. (2) disconnect the interface cable 1 . (3) open the face-up stacker assy 2 , unhook the right and left projections, and then remove the face-up stacker assy 2 . 1 2.

  • Page 58

    40931201th rev. 4 58 / 3.3.2 contact assy (1) open the stacker assy 1 and unscrew 2 screw 2 to remove the assy -side (l) 3 . (2) unscrew 2 screws 4 and remove the plate (contact) 5 and contact assy 6 . Note! Don’t deform the electrode plates of the contact assy 6 . Unlock this part before removing 6...

  • Page 59

    40931201th rev. 4 59 / 3.3.3 dc fan motor (1) remove the cover assy-side (l). [see 3.3.2 (1)] (2) remove the dc fan motor 1 by pulling out the connector of dc fan motor 1 . 1.

  • Page 60

    40931201th rev. 4 60 / 3.3.4 op panel assy (1) disconnect the interface cable 1 . (2) open the stacker assy 2 , unscrew 2 screws 3 and remove the cover side (i/f) 4 . (3) remove 2 screws 5 and flexible cable 6 to remove the operator panel assy 7 . 5 1 3 2 4 7 6.

  • Page 61

    40931201th rev. 4 61 / 3.3.5 board-ffh (1) remove the operator panel assy and cover side (i/f). [see 3.3.4] (2) unscrew 2 screws 1 and remove the cover side (r) 2 . (3) unscrew 4 screws 3 and remove plate-shield 4 . (4) unscrew 4 screws 5 and 2 screws 6 , unplug all the connectors 7 , and remove boa...

  • Page 62

    40931201th rev. 4 62 / 3.3.6 stacker assy, damper arm, cover rear (1) remove the face-up stacker assy. [see 3.3.1] (2) remove the cover-side (l). [see 3.3.2 (1)] (3) remove the op panel assy. [see 3.3.4] (4) remove the board-ffh. [see 3.3.5] (5) loosen 2 screws, unlock the both sides latches and rem...

  • Page 63

    40931201th rev. 4 63 / 3.3.7 sensor stacker full (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the stacker assy. [see 3.3.6] (3) remove four screws 1 . Remove stacker mount 2 by releasing the tabs at position 2a . (4) remove sensor stacker full 3 by releasing...

  • Page 64

    40931201th rev. 4 64 / 3.3.8 cable cover (guide film) (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the stacker assy. [see 3.3.6] (3) unscrew 2 screws 1 release tabs at portion 1a . Remove cable cover 2 , guide film 3 . 1 2 3 1a note : use care when replacing...

  • Page 65

    40931201th rev. 4 65 / 3.3.9 damper (1) remove the damper arm. [see 3.3.6] (2) unscrew 2 screws 1 and remove the two damper 2 . 1 2.

  • Page 66

    40931201th rev. 4 66 / 3.3.10 feeder unit-front (1) open the manual feed assy 1 and release both right and left parts by pulling out the engagements on the lower part. (2) stand the manual feed assy 1 on end and unhook the engagements with both right and left manual feed hopper stays. (3) remove the...

  • Page 67

    40931201th rev. 4 67 / 3.3.11 roller assy-regist (1) remove the feeder unit-front. [see 3.3.10] (2) remove an e-ring 3 , gear assy-clutch 4 , and four screws 1 in this order, and lifting out the roller assy-regist 2 . 1 1 3 2 4.

  • Page 68

    40931201th rev. 4 68 / 3.3.12 motor -main (1) remove the stacker assy. [see 3.3.6] (2) remove the feeder unit-front. [see 3.3.10] (at this point, the manual feed assy has not to be removed.) (3) remove the dc fan motor. [see 3.3.3] (4) remove the contact assy. [see 3.3.2] (5) remove the plate-fg (f)...

  • Page 69

    40931201th rev. 4 69 / 4 4 4 4 7 9 d 1 d 4 4 5 2 3 a 6 0 b c e 8 view a 2 f 3 latch view a 5.

  • Page 70

    40931201th rev. 4 70 / 3.3.13 guide assy-eject (1) remove the lever back up release. [see 3.3.12(8)] (but the roller transfer/feeder unit front/plate-fg have not be removed) (2) loosen 2 screws 1 , unlock the both side’s latches and remove the cover rear 2 . [see 3.3.6 (5)] (3) unlock the latches on...

  • Page 71

    40931201th rev. 4 71 / 3.3.14 heat assy (1) remove the cover assy-side (l). [see 3.3.2 (1)] (2) unplug the connectors 1 , 2 . (3) unscrew 4 screws 3 and remove the heat assy 4 in the direction of the arrow by lifting the right side first. Note ! • as the heat assy 4 becomes high temperature soon aft...

  • Page 72

    40931201th rev. 4 72 / 3.3.15 roller feed (c) (1) remove the guide assy-eject. (see 3.3.13) (but roller transfer/feeder unit-front/plate-fg(f) have not be removed) (2) remove the gear roller (c) 1 and bush 2 , warp (a) part of the plate-fg (bk) 3 . Take off the carrier bearing 4 and remove the rolle...

  • Page 73

    40931201th rev. 4 73 / 3.3.16 roller assy-bk (1) remove the heat assy. [see 3.3.14] (2) remove the lever back up release. [see 3.3.12 (8)] (3) unlock the engagement with the plate-fg (bk) 1 and lift out the roller heat assy 2 . 1 2.

  • Page 74

    40931201th rev. 4 74 / 3.3.17 roller assy-feed (1) remove the feeder unit -front. [see 3.3.10] (2) remove the roller assy-feed 1 by unlocking a latch. 1.

  • Page 75

    40931201th rev. 4 75 / 3.3.18 led head (1) remove the stacker assy 1 . [see 3.3.6] (2) unplug the pc connector 2 and 2 led cables 3 from the led head 4 . (3) open the hooks of the cover stacker 1 in the direction of the arrow and remove the led head 4 . (4) pull out the head spring 5 from the post. ...

  • Page 76

    40931201th rev. 4 76 / 3.3.19 paper cassette, roller ass-feed, roller-assy-hoppibg (1) pull out the case assy -cassette 1 from the printer. (2) remove the roller ass-feed 2 and remove the roller-assy-hopping 3 . 1 2 3.

  • Page 77

    40931201th rev. 4 77 / 3.3.20 frame assy-separation (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) pull out the case assy-cassette 1 from the printer.[see 3.3.19(1)] (3) release two locks and remove frame assy-separation 2 . (at this time, coil spring 3 is also remov...

  • Page 78

    40931201th rev. 4 78 / 3.3.21 transfer roller/tr gear/tr bearing (1) open the stacker cover . (2) unlock the lock by lifting the tr gear 1 to remove the tr gear 1 and roller transfer 2 . (use the holder-tr eject 5 for the removal.) note ! Don’t place the removed roller transfer directly on the desk ...

  • Page 79

    40931201th rev. 4 79 / 3.3.22 ep lock shaft (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove frame-main [see.3.3.12(7)] (3) remove screw 1 . Turn ep lock lever (l) assy 2 in the direction of arrow a . (4) remove spring 3 . (5) drop ep lock shaft 4 down and turn ...

  • Page 80

    40931201th rev. 4 80 / 3.3.23 lever assy- out sensor (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) press the clamp part of lever assy.- out sensor 1 . Remove the lever assy.-out sensor 1 by pushing it upward from the lower s...

  • Page 81

    40931201th rev. 4 81 / 3.3.24 toner sensor lever (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) squeeze the clamp part of toner sensor lever 1 and remove the toner sensor lever 1 by pushing it upward from the lower side. 1 1.

  • Page 82

    40931201th rev. 4 82 / 3.3.25 paper sensor lever (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) squeeze the clamp part of the paper sensor lever 1 and remove the paper sensor lever 1 by pushing it upward from the lower side. ...

  • Page 83

    40931201th rev. 4 83 / 3.3.26 inlet sensor lever (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) squeeze the clamp part of two inlet sensor levers 1 . Remove the inlet sensor levers 1 by pushing them downward. 1 1 1.

  • Page 84

    40931201th rev. 4 84 / 3.3.27 power supply unit (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) unscrew 2 screws 1 and remove the bracket-ac 2 . (4) unscrew 10 screws 3 and remove the connector 6 remove the power supply unit [...

  • Page 85

    40931201th rev. 4 85 / 3.3.28 lever-paper end & lever-paper near end (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) remove screw 1 and then remove the plate-base 2 . (4) remove two spacer-cord(kgps-5rf) 4 and then remove film...

  • Page 86

    40931201th rev. 4 86 / 1 5 5 7 2 3 4 6 8 9 0 a d e f r g h i j k l m n r o p q q f b c.

  • Page 87

    40931201th rev. 4 87 / 3.3.29 guide assy-cassette (l) (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove frame main [see 3.3.12(7)] (3) remove plate-base and frame assy hopping [see 3.3.28 (5)] (4) unscrew two screw 1 and then remove guid assy-cassette (l) 2 . (5)...

  • Page 88

    40931201th rev. 4 88 / 3.3.30 guide assy-cassette (r) (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove frame main [see 3.3.12(7)] (3) remove plate-base and frame assy hopping [see 3.3.28 (5)] (4) unscrew two screw 1 and then remove guid assy-cassette (r) 2 . (5)...

  • Page 89

    40931201th rev. 4 89 / 2 b c d 3 4 5 f h i j l n f 6 7 9 0 1 8 a e g k m e.

  • Page 90

    40931201th rev. 4 90 / 4. Adjustment this chapter explains the adjustment necessary when replacing a part. Adjustment is made by changing a parameter value set in eeprom on the controller pcb. A parameter is able to set with the key operation on the operator panel. This printer has three kinds of th...

  • Page 91

    40931201th rev. 4 91 / • engine maintenance mode note: this mode is used only by service persons and it should not be released to the end- users. To enter the engine maintenance mode, turn on the power switch while pressing the form feed key and enter key. [function] there are 21 functions as follow...

  • Page 92

    40931201th rev. 4 92 / 4.1.1 user maintenance mode • to enter the user maintenance mode, turn the power supply on while pressing the menu key. • this mode uses the menu for function selection. • the user maintenance mode provides the following functions: (1) menu reset • all settings for menu level-...

  • Page 93

    40931201th rev. 4 93 / (11) select paper source command parameter (second tray) • the function which sets the parameter selecting the second tray by paper source command (esc & # h) on pcl. (12) select paper source command parameter (third tray) • the function which sets the parameter selecting the ...

  • Page 94

    40931201th rev. 4 94 / user maintenance mode menu system drum cnt reset'ng on-line .Hex disable menu reset'ng on-line*** user mnt hex dump drum cnt reset op menu enable * lcd display press the menu key. Press the menu key. Press the menu key. Press the menu key. Press the enter key. Press the enter ...

  • Page 95

    40931201th rev. 4 95 / 0 mm * + 0.25 mm + 0.75 mm + 1.00 mm + 1.25 mm + 1.50 mm + 1.75 mm + 2.00 mm - 2.00 mm - 1.75 mm : - 0.25 mm y-adjust 0 mm* press the menu key. Press the menu key. Press the or key. Initializing on-line *** press the on line key. 0 mm * + 0.25 mm + 0.50 mm + 0.75 mm + 1.00 mm ...

  • Page 96

    40931201th rev. 4 96 / 4.1.2 system maintenance mode • the system maintenance mode is set when the power is turned on while pressing the recover key. • this mode adopts the menu for function selection. • the system maintenance mode is provided with the following functions: (1) page count display • t...

  • Page 97

    40931201th rev. 4 97 / system maintenance mode menu system continuous print printing eeprom reset'ng enable continuous print canceled on-line*** on-line sys mnt page prt disable * cont prt eeprom reset lcd display press the menu key. Press the menu key. Press the menu key. Press the enter key. Press...

  • Page 98

    40931201th rev. 4 98 / 4.1.3 engine maintenance mode • the engine maintenance mode is activated when the power is turned on while pressing to the form feed key and enter key. • this mode adopts the menu for function selection. • the method for exit from this mode depends on the setting. • the engine...

  • Page 99

    40931201th rev. 4 99 / (12) setting of high capacity third paper feeder paper feed length • this function sets the paper feed length of the high capacity third paper feeder. (13) selection of high capacity third paper feeder download table • this function selects the download table for the high capa...

  • Page 100

    40931201th rev. 4 100 / +2 0 * -2 -4 eng mnt strb tim no. 0 * lcd display press the menu key. Led head no. 17 * no. 1 no. 2 . No. 17 * . No. 31 no. 32 auto -16 auto -15 : auto * : auto +15 writing into the eeprom is performed when the enter key is pressed. When "headtype= auto" is selected. Press th...

  • Page 101

    40931201th rev. 4 101 / engine reset'ng on-line*** fusr cnt reset press the menu key. Upon completion of processing engine reset press the menu key. Press the enter key. Same as (*1) frnt pos 0 mm * press the menu key. Writing into the eeprom is performed when the enter key is pressed. Press the or ...

  • Page 102

    40931201th rev. 4 102 / table 4-1 eeprom initial setting range event (note 2) (note 2) no 1 2 3 4 5 6 menu level 1 menu level 2 f/w revision range destination information users maintenance range (noe1) systems maintenance range (note1) engine maintenance range (note1) drum counter fuser counter user...

  • Page 103

    40931201th rev. 4 103 / 4.2 adjustment when replacing a part adjustment necessary when replacing one of the followimg parts. Part replaced adjustment image drum cartridge reset the image drum counter. (refer to user's manual) fuser unit reset the fuser counter. (refer to chapter 4.2.1).

  • Page 104

    40931201th rev. 4 104 / lcd display eng mnt fuser count reset operation with the enter and form feed keys pressed, turn the printer power on. Press the menu key until fuser count reset is displayed. Press the enter key to reset the fuser count. After the initializing process is completed, the printe...

  • Page 105

    40931201th rev. 4 105 / 4.2.2 destination setting the desired destination can be set by turning the power on while depressing two keys corresponding to the destination according to the following table. Destination keys to be depressed oda menu, oel menu, oki-int-a menu, paper size (australia, etc.) ...

  • Page 106

    40931201th rev. 4 106 / 4.2.3 setting of led head drive time as the okipage18/ okipage 20plus automatically judges head type and head drive time, there is no need for changing any setting in replacing led head. But individual setting can be changed by engine maintenance menu as before. The procedure...

  • Page 107

    40931201th rev. 4 107 / luminous intensity display on led head 0.27 ~ 0.28 0.29 ~ 0.30 0.31 ~ 0.32 0.33 ~ 0.35 0.36 ~ 0.37 0.38 ~ 0.40 0.41 ~ 0.43 0.44 ~ 0.46 0.47 ~ 0.49 0.50 ~ 0.52 0.53 ~ 0.57 0.58 ~ 0.60 drive time parameter 25 24 23 22 21 20 19 18 17 16 15 14 luminous intensity display on led he...

  • Page 108

    40931201th rev. 4 108 / eng mnt led head no. 14 lcd display led head no. 17 * display privious parameter no. Parameter 14 is set to eeprom. ( * is displayed on lcd) press the on line key. After initializing process is completed, the printer enters into the operation mode and the setting operation is...

  • Page 109

    40931201th rev. 4 109 / 5. Periodic maintenance 5.1 periodic replacing part as specified below, the parts shall be replaced periodically. Part name condition for replacement cleaning remarks • toner cartridge 5,000 • led head. Consumables • regist paper dust. • image drum cartridge 30,000 • led head...

  • Page 110

    40931201th rev. 4 110 / plastic film 5.2.2 cleaning the plastic film (1) open the stacker assy and remove i/d unit. (2) after cleaning led head, wipe off the paper powder by led lens cleaner and remove the paper powder. (3) take the remove paper powder out of the printer unit in such a way as not to...

  • Page 111

    40931201th rev. 4 111 / 6. Troubleshooting procedures 6.1 troubleshooting tips (1) check the basic check points covered in the user’s manual. (2) gather as much information on the problem from the customer as possible. (3) perform inspections in conditions close to those in which the problem had occ...

  • Page 112

    40931201th rev. 4 112 / troubles troubles indicated by lcd message image troubles (and troubles that are not indicated by lcd message) perform detailed trouble- shooting with the trouble- shooting chart. See 6.5.2. Perform troubleshooting with the troubleshooting chart. See 6.5.3. Troubleshoot from ...

  • Page 113

    Category lcd status message trouble or status remedy 40931201th rev.4 113 / daily status normal operation in the off-line mode, the data is printed by pressing the form feed button. Data present.Xxx indicates on-line status tttttt: tray (tray 1, tray 2, tray3, and front, manual, feeder) jjjjjj: inpu...

  • Page 114

    Category lcd status message trouble or status remedy 40931201th rev.4 114 / indicate that the printer is printing. Indicates that job flush is designated and the state in which data is received and abandoned until the completion of a job. Mean that, in shifting to off line in data-remaining state, i...

  • Page 115

    Category lcd status message trouble or status remedy 40931201th rev.4 115 / daily status replace the toner cartridge. Check the operation of the toner sensor lever. Replace the power supply unit (high voltage) replace the main board. Note: when replacing the main board, install the eeprom mounted on...

  • Page 116

    Category lcd status message trouble or status remedy 40931201th rev.4 116 / daily status print fonts print demo page print menu normal operation. Set requested paper to front tray, and press form feed button. Normal operation normal operation set requested paper to front tray, and press form feed bu...

  • Page 117

    Category lcd status message trouble or status remedy 40931201th rev.4 117 / daily status indicates that the face down stacker is full with sheets. Indicates that no paper or paper cassette in a tray. Iindicates that, in an attempt to use the third tray, the first or second tray which is the medium o...

  • Page 118

    Category lcd status message trouble or status remedy 40931201th rev.4 118 / informs that the data within the receiving buffer overflows. The operation is continued by pressing recover switch. The host side should be changed in settings to be able to recognize a printer busy status and the data be re...

  • Page 119

    Category lcd status message trouble or status remedy 40931201th rev.4 119 / paper of improper size was fed from the tray. Informs that, in feeding papers from tray n to the duplex unit, a jam occurs in the separator or duplex unit, by monitoring outsns on ~ dup insns on. Informs that, in feeding pap...

  • Page 120

    Category lcd status message trouble or status remedy 40931201th rev.4 120 / daily status informs that a jam occurs during paper running after exiting from the tray. Informs that a jam occurs after ejecting a paper. Open the cover and remove the paper inside. Informs that oki hsp i/f card is under re...

  • Page 121

    Category lcd ready attention trouble or status remedy message led led 40931201th rev.4 121 / a fault occurred in the printer. Turn the power off, then on to release the error display. If the error display cannot be released by this procedure, call a service person. Code(nn) error 10 an error was det...

  • Page 122

    Category lcd ready attention trouble or status remedy message led led 40931201th rev.4 122 / controller error remedy check the operation of the toner sensor lever. Relace the power supply unit (high voltage) replace the main board. Note: when replacing the main board, install the eeprom mounted on t...

  • Page 123

    Category lcd ready attention trouble or status remedy message led led 40931201th rev.4 123 / proccesor error error nn-aaaaaaaa light off flash informs operator that an error has occurred in the controller. Nn=exception code aaaaaaaa=error address recovery only with power off/on since operations cann...

  • Page 124

    40931201th rev. 4 124 / 6.5.2 lcd message troubleshooting if troubles are not correctable from the lcd message trouble list, follow the troubleshooting flowcharts given here to deal with them. No. Trouble flowchart number 1. The printer does not work normally after being turned on. 1 2. Jam error pa...

  • Page 125

    40931201th rev. 4 125 / 1 the printer does not work normally after being turned on. • is message shown in the lcd display (for less than 1 second)? • no is the ac cable connected properly? • no connect the cable properly. ▼ • no is the message (16 columns ■ display only on the top row ) shown in the...

  • Page 126

    40931201th rev. 4 126 / from 1 -2 on the preceding page 1 -1 ▼ • yes is the operator panel connected to the main board properly? • no connect the operator panel properly. ▼ • yes is the connecting cord defective? • yes replace the connecting cord. ▼ • no replace the operator panel assembly. ▼ • is t...

  • Page 127

    40931201th rev. 4 127 / figure 6-1 connector and pin location inlet l3 sw1 l4 l n fg z1 r1 c1 c2 c3 f2 figure 6-2 measurement by a multimeter power connector main control board (board-ffh) front 9 1 7 1 7 14 13 11 2 13 4 1 2 5 6 envelope motor 11 2 fan end low 2ndtray clr clh panel ic19 mupis a1 c1 ...

  • Page 128

    40931201th rev. 4 128 / figure 6-3 connector and pin location cn3 pc501 cn6 cn5 cn2 1 3 f1 f2 1 1 2 25 26 1 15 15 sw1 sw1 sb db cb fg ch cl2 tnsns wrsns psin2 psin1 cn7.

  • Page 129

    40931201th rev. 4 129 / [jam error] 2 -1 paper input jam (1st tray) • does a jam error occur when the power is turned on? • yes is the paper at the inlet sensor lever? • yes remove the paper. ▼ • no does the inlet sensor lever operate smoothly? • no replace the inlet sensor lever ▼ • yes clean the i...

  • Page 130

    40931201th rev. 4 130 / 2 -2 paper input jam (front feeder) • does jam error occur when the power is turned on? • yes is the paper at the inlet sensor lever? • yes remove the paper. ▼ • no does the inlet sensor lever operate smoothly? • no replace the inlet sensor lever. ▼ • yes clean the inlet sens...

  • Page 131

    40931201th rev. 4 131 / 2 -3 paper feed jam • does a paper feed jam occur when the power is turned on? • yes is the paper on the paper sensor lever? • yes remove the paper. ▼ • no does the paper sensor lever operate smoothly? • no replace the paper sensor lever. ▼ • yes clean the paper sensor. (see ...

  • Page 132

    40931201th rev. 4 132 / from on the preceding page . From on the preceding page . ▼ • yes is the image drum set properly? • no set the image drum properly. ▼ • yes in case of paper feed from the front feeder, check the hopping roller of the front feeder assembly. In case of paper feed from the tray,...

  • Page 133

    40931201th rev. 4 133 / from on the preceding page . ▼ • no is the transfer roller rotating smoothly? • no is there any defective gear of the transfer roller? • yes replace the defective gear. ▼ • no replace the transfer roller. ▼ • no is the fuser unit installed properly? • no install the fuser uni...

  • Page 134

    40931201th rev. 4 134 / 2 -4 paper exit jam • does a paper exit jam error occur when the power is turned on? • yes is the paper on the outlet sensor lever? • yes remove the paper ▼ • no does the outlet sensor lever operate smoothly? • no replace the outlet sensor lever. ▼ • yes clean the outlet sens...

  • Page 135

    40931201th rev. 4 135 / 3 paper size error • is paper of the specified size used? • no use paper of the specified size. ▼ • yes do the inlet sensor lever and paper width sensor lever operate smoothly? • no replace the inlet sensor lever or paper width sensor lever. ▼ • is the printer recovered? • no...

  • Page 136

    40931201th rev. 4 136 / 4 fuser unit error (error 71), (error 72), (error 73) • turn the power off/on. ▼ • does a fuser unit error occur immediately? • yes is the thermistor open or shorted? Measure the resistance between thermistor contacts. (about 220 k Ω at room temperature, 25 ° c) (see chapter ...

  • Page 137

    40931201th rev. 4 137 / from on the preceding page . From on the preceding page . • yes replace the fuser unit. ▼ • is the printer recovered? • no replace the main board. ▼ • yes end ▼ • no is the heater or thermistor open? Measure the resistance between the thermistor contacts, and between heater c...

  • Page 138

    40931201th rev. 4 138 / 5 i/f time-out between printer and optional tray (error 81) • is an optional tray (2nd / 3rd tray or envelope feeder) used? • yes is the connection between the main board and the optional tray connected properly. (see chapter 7.1.) • no connect the cable properly. ▼ • yes rep...

  • Page 139

    40931201th rev. 4 139 / 9 message cannot be received through the parallel interface. • is the parallel i/f enable in "host i/f" item of menu 1. • no set the parallel i/f to "enable". ▼ • yes is the host set to the bidirectional communication? • yes set the parallel i/f to the bidirectional communica...

  • Page 140

    40931201th rev. 4 140 / 0 message cannot be received through the serial interface. • is message error host i/f displayed ? • yes set the rs 232c i/f enable in "host i/f" items of menu 1. • no set the rs 232c i/f to "enable". ▼ • no do the following items selected for rs232c serial in menu level 2 co...

  • Page 141

    40931201th rev. 4 141 / a data cannot be received through the oki hsp interface • is the interface board (option) connected to the oki hsp interface connector on the main board properly? • no connect the interface board (option) to the oki hsp interface connector properly. ▼ • yes is there any broke...

  • Page 142

    40931201th rev. 4 142 / 6.5.3 image troubleshooting procedures for troubleshooting if abnormal images have been printed out are explained below. Figure 6-3 below shows typical abnormal images. Trouble flowchart number images are light or blurred as a whole (figure 6-4, ) 1 dark background density (f...

  • Page 143

    40931201th rev. 4 143 / 1 image are light or blurred a whole. • is toner low? (is the toner low message displayed?) • yes supply toner. ▼ • no is paper of the specified grade used? • no use paper of the specified grade. ▼ • yes is the lens surface of the led head dirty? • yes clean the lens. ▼ • no ...

  • Page 144

    40931201th rev. 4 144 / 2 dark background density • has the image drum been exposed to external light? • yes mount the image drum in the printer and wait for about 30 minutes. ▼ • no is the heat roller of the fusing unit dirty? • yes clean the heat roller. ▼ • no is the contact of the cleaning rolle...

  • Page 145

    40931201th rev. 4 145 / 4 black belts or stripes in the vertical direction • replace the image drum cartridge. • has the trouble been removed? • yes end note: after replacing the image drum cartridge, set the printer in the user maintenance mode by turning the power on while pressing the menu key, a...

  • Page 146

    40931201th rev. 4 146 / 5 cyclic error frequency remedy image drum 3.71” (94.2 mm) replace or clean the image drum cartridge. Developing roller 2.05” (52.1 mm) replace the image drum cartridge. Toner supply roller 3.24” (82.24 mm) replace the image drum cartridge. Charging roller 1.37” (34.7 mm) rep...

  • Page 147

    40931201th rev. 4 147 / 6 print voids • is the contact plate of the transfer roller contacted with the power supply unit (high voltage) properly? (see figure 6-5.) • no adjust the contact plate contact to contact the power supply unit (high voltage) properly and the shaft of the transfer roller. ▼ •...

  • Page 148

    40931201th rev. 4 148 / 7 poor fusing • is paper of the specified grade used? • no use paper of the specified grade. ▼ • yes is the spring of the back-up roller normal? • no replace the spring. ▼ • yes is the contact of the fusing unit assy contacted with the contact assy properly? • no adjust the c...

  • Page 149

    40931201th rev. 4 149 / 8 white belts or streaks in the vertical direction • are the led lens dirty? • yes clean the led lens. ▼ • no is the contact plate of the transfer roller contacted with the power supply unit (high voltage) properly? (see figure 6-6.) • no make the contact plate contact with t...

  • Page 150

    40931201th rev. 4 150 / 9 snowy print of high density pattern • is toner low? • yes supply toner. ▼ • no is paper of the specified grade used? • no use paper of the specified grade. ▼ • yes is the lens of the led head dirty? • yes clear the lens. ▼ • no is the led head installed properly? • no insta...

  • Page 151

    40931201th rev. 4 151 / figure 6-5 charge roller developing roller cleaning roller toner supply roller ground e c d a b.

  • Page 152

    40931201th rev. 4 152 / figure 6-6.

  • Page 153

    40931201th rev. 4 153 / 7. Wiring diagram 7.1 interconnect signal diagram home sensor front paper sensor hopping motor board-pco 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 fg 0vp 0vp 0vp 0vp gnd 3v 3v 3v 3v 3v 3v stb4 stb3 stb2 stb1 ld 5v data1 data0 0vp data3 data2 gnd clk gnd 3 2 ...

  • Page 154

    40931201th rev. 4 154 / 7.2 pcb layout (1) main board (board-ffh) front 9 1 7 1 7 1 4 1 3 1 1 2 1 3 4 1 2 5 6 envelope motor 1 1 2 fan end low 2ndtray clr clh panel mupis a1 c1 a32 c32 1 2 71 72 1 2 71 72 1 2 71 72 cent rs232c 1 14 13 25 18 36 11 19 fsimm1 simm1 simm2 stkfull head2 head1 dup power s...

  • Page 155

    40931201th rev. 4 155 / (2) power supply board (ac120v/230v) (3) power supply board (high voltage) cn3 pc501 cn6 cn5 cn2 1 3 f1 f2 sw1 sw1 sb db cb fg ch cl2 tnsns wrsns psin2 psin1 cn7.

  • Page 156

    40931201th rev. 4 156 / (4) flash rom module (board-fsl or board-fsl-2) rom1 rom0 eeprom.

  • Page 157

    40931201th rev. 4 157 / m 1 2 3 4 3 4 1 2 thermostat to "cn2" connector on the power supply unit (ac120v or 230v) to "cn8" connector on the power supply unit (high voltage) heater thermistor unit circuit diagram illustration resistance between pins 1 and 2: 3.1 Ω between pins 3 and 4: 3.1 Ω between ...

  • Page 158

    40931201th rev. 4 158 / orange yellow brown black m 1 2 3 4 unit circuit diagram illustration resistance between pins 1 and 2: 6.7 Ω between pins 3 and 4: 6.7 Ω hopping motor fan red black +38 v 1 fanalm-n 3 0 v 2 m yellow.

  • Page 159

    40931201th rev. 4 159 / 7.4 program/font rom location (1) in case of mask rom front 9 1 7 1 7 14 13 11 2 13 4 1 2 5 6 envelope motor 11 2 fan end low 2ndtray clr clh panel ic19 mupis a1 c1 a32 c32 1 2 71 72 1 2 71 72 1 2 71 72 cent rs232c 1 14 13 25 18 36 11 19 fsimm1 simm1 simm2 stkfull head2 head1...

  • Page 160

    40931201th rev. 4 160 / 8. Parts list figure 8-1 printer unit 7 8 4 5 9 11 12 3 19 19 20 18 2 10 16 15 1 23 14 13 21 22 6 17.

  • Page 161

    40931201th rev. 4 161 / table 8-1 printer unit no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 remarks # # # without rom ic5 ic7 ic6 ic8 ic31 ic30 # flash rom module (4mb) # flash rom module (8mb) q’ty/u 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 parts no. 40441001 4...

  • Page 162

    40931201th rev. 4 162 / figure 8-2 frame-main unit 71 65 52 64 25 23 68 8 66 24 53 51 6 6 7 19 72 22 21 11 18 3 17 25 47 7 14 13 15 20 44 48 39 29 50 33 32 30 34 49 43 40 10 9 10 9 1 28 26 41 42 36 35 31 27 45 37 38 12 5 16 2 63 57 62 58 56 55 56 61 59 67 54 69 69 70

  • Page 163

    40931201th rev. 4 163 / table 8-2 frame-main unit (1/2) 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 33 34 35 36 37 remarks spring color : blue q’ty/u 1 1 2 1 2 2 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 parts no. 40596901 4lb-192600-6...

  • Page 164

    40931201th rev. 4 164 / table 8-2 frame-main unit (2/2) no. 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 remarks oda(120v) oda(230v)/oel/int oda(120v) oda(230v)/oel/int q’ty/u 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 ...

  • Page 165

    40931201th rev. 4 165 / figure 8-3 base unit 52 51 53 54 9 8 1 10 2 19 22 5 17 48 14 8 5 15 13 16 48 11 6 9 3 18 43 46 28 27 20 21 29 42 41 45 44 24 35 34 40 30 48 39 47 37 36 38 26 36 27 31 18 50 50 49 3 7 6 4 25 32 33 31 23.

  • Page 166

    40931201th rev. 4 166 / table 8-3 base unit (1/2) 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 33 34 35 remarks for maintenance # for maintenance to 2nd tray to duplex for maintenance q’ty/u 1 1 2 1 2 2 2 2 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 2 1...

  • Page 167

    40931201th rev. 4 167 / no. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 remarks to paper end to paper near end # oda (120v) oda(230v)/oel/int q’ty/u 2 1 1 1 1 1 1 1 1 1 1 1 3 1 2 1 1 1 1 1 parts no. 4yb4120-1137p001 40375202 40375302 40337301 40337601 40433701 40358101 40317701 40367101...

  • Page 168

    40931201th rev. 4 168 / appendix a centronics parallel interface 1) connector • printer side : 36-pin receptacle type 57re-40360-830b-d29 (made by ddk) or equivalent • cable side : 36-pin plug type 57-30360 (made by ddk) or equivalent 2) cable • cable length : 6 ft (1.8 m) max. (a shielded cable com...

  • Page 169

    40931201th rev. 4 169 / 4) signal level • low : 0 v to +0.8 v • high : +2.4 v to 5.0 v 5) interface circuit a) receiving circuit data strobe and input prime data bit-1 to 8 b) sending circuit c r2 r1 +5v 74ls19 or equivalent signal name r1 r2 data strobe input prime 3.3k Ω 3.3k Ω c 100 Ω 1k Ω 560pf ...

  • Page 170

    40931201th rev. 4 170 / 6) timing charts ■ compatible mode a) data receiving timing b) on-line → off-line switching timing by on-line sw c) off-line → on-line switching timing by on-line sw parallel data (data bits 1 to 8) data storobe acknowledge busy 0.5 µ s min. 0.5 µ s min. 0.5 µ s min. 0.5 µ s ...

  • Page 171

    40931201th rev. 4 171 / d) input prime timing (when set to the effective input prime signal) input. Prime select acknowledge busy 0 min. 50 µ s min. 5 µ s max. 10 µ s max. 0.5 µ s to 10 ms ■ nibble mode conforms to ieee 1284 spec. ■ ecp mode conforms to ieee 1284 spec..

  • Page 172

    40931201th rev. 4 172 / appendix b rs-232c serial interface 1) connector • printer side : 25-pin receptacle type 17le-13250-27 (d4cc) (made by ddk) or equivalent • cable side : 25-pin plug type 17je-23250-02 (d8c) (made by ddk) note: plug shall be able to be fixed with a lock screw. 2) cable • cable...

  • Page 173

    40931201th rev. 4 173 / 5) interface circuit a) receiving circuit b) sending circuit note: the above signal level is for the case where 3k Ω x 15pf is being connected to the terminal. 6) communications protocol a) ready/busy protocol b) x-on/x-off protocol 75189 or equivalent input output +3v -3v in...

  • Page 174

    40931201th rev. 4 174 / appendix c duplex unit maintenance 1. Outline 1.1 functions duplex unit is a unit, which is installed on the printer unit for controlling both-sided printing from the printer unit, intended for automatically reversing papers of which one side have been already printed and re-...

  • Page 175

    40931201th rev. 4 175 / 2. Mechanism description 2.1 general mechanicsm when the duplex unit receives an instruction for both-sided printing from the unit, the separator will be opened by the action of a solenoid within duplex and the route will be shifted to the one into the duplex after one-sided ...

  • Page 176

    40931201th rev. 4 176 / 2.2 jam release mechanism the lever-lock can be pulled outwards and the sheet route section of the duplex opens by pulling out the cassette. This enables a jam to be released. Structurally, the lever-release can be pushed up by back edge of cassette and the sheet route automa...

  • Page 177

    40931201th rev. 4 177 / 2.3 removing/installing duplex unit removing duplex unit (1) power off and remove the paper-cassette from 1st tray. (2) remove the lever-release (dup) from the boss of the hopping frame. Groove connector lever-release (dup) duplex unit printer (3) rotate the lever-lock (dup) ...

  • Page 178

    40931201th rev. 4 178 / installing duplex unit (1) hold the lever-lock (dup) in horizontal lock position. Then insert the duplex unit along the groove, up to accord both rear faces between printer and duplex unit. Groove connector lever-release (dup) duplex unit printer locking point lever-release (...

  • Page 179

    40931201th rev. 4 179 / 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 reverse order. 3....

  • Page 180

    40931201th rev. 4 180 / [service tools] table 3-1 shows the tools required for the replacement of printed circuit boards and units in the field. Table 3-1 service tools no. 1-100 philips screwdriver no. 2-100 philips screwdriver no. 3-100 screwdriver no. 5-200 screwdriver digital multimeter pliers h...

  • Page 181

    40931201th rev. 4 181 / 3.2 parts layout this section describes the layout of the main components. Solenoid assy control board (board-lex) connector (imsa-9714n-14a) photo sensor photo sensor motor.

  • Page 182

    40931201th rev. 4 182 / 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassem- bly order diagram below. Duplex unit board-lex (3.3.1) connector (3.3.2) photo sensor (3.3.3) solenoid assy (3.3.4) motor (3.3.5).

  • Page 183

    40931201th rev. 4 183 / 3.3.1 board-lex (1) remove two lever-lock (dup) 1 by rotating them in the arrow direction. (2) unscrews five screws 2 to remove the bracket 3 . (3) unlatch all the nails and unplug all the connectors 4 to remove the board-lex 5 . [note : when installing the board-lex, install...

  • Page 184

    40931201th rev. 4 184 / 3.3.2 connector (imsa-9714n-14a) (1) remove two lever-release (dup) 1 . (2) take away two spring-support 2 to remove frame-main (dup) 3 . (remove the frame-main (dup) by lifting in up from a side) (3) remove two stud 4 to unplug the connector (imsa-9714n-14a) 5 . 4 4 5 2 2 1 ...

  • Page 185

    40931201th rev. 4 185 / 3.3.3 photo sensor (1) remove the frame-main (dup) (see section 3.3.2). (2) release the lock to remove two spring-lock (frame) 1 and two lever-lock assy 2 . (3) pull out four shaft-pinch 3 and remove four roller-pinch 4 and eight spring-pinch (u) 5 . (4) release the lock to r...

  • Page 186

    40931201th rev. 4 186 / 3.3.4 solenoid assy (1) remove the frame-main (dup) (see section 3.3.2). (2) release the lock to remove two lever sensor (f/r) 1 and two spring-sensor (f/r) 2 . (3) unplug the connection code-wire 3 and remove photo sensor 4 . (4) take away the spring-sl 5 and two screws 6 to...

  • Page 187

    40931201th rev. 4 187 / 3.3.5 motor (1) remove the frame-main (dup) (see section 3.3.2). (2) unscrew two screws 1 to remove plate-earth (f/r) 2 . (3) unscrew three screws 3 to remove plate-earth (f/r-2) 4 . (4) disengage the latch to remove the bearing l 5 , gear-z40s8 6 , bearing 7 and roller- feed...

  • Page 188

    40931201th rev. 4 188 / 4. Troubleshooting 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the operator guide. (2) obtain detailed information concerning the problem from the user. (3) go through the checking in the conditions similar to that in which...

  • Page 189

    40931201th rev. 4 189 / 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. Problem occurs carry out detailed troubleshooting according to the troubleshooting flow (see 4.3.2) troubleshooting according to the lcd status message list ...

  • Page 190

    40931201th rev. 4 190 / 4.3.2 troubleshooting flow • (jam error) duplex input jam • is the leading edge of paper is fed in the duplex unit? • yes has the leading edge of paper reached the duplex in sensor • yes is the duplex in sensor lever operating normally? • yes is the connection cord between th...

  • Page 191

    40931201th rev. 4 191 / duplex feed jam1 • is there a paper on the duplex in sensor lever? • no is the duplex in sensor operating normally? • yes is the connection cord between the duplex in sensor and the board- lex connected properly? • yes does the connection cord have a break? • yes replace the ...

  • Page 192

    40931201th rev. 4 192 / duplex feed jam 3 • has a paper reached the duplex front sensor? • no is the connection cord between the clutch and the board-lex properly? • yes replace the gear assy. • yes end • no replace the board-lex. ▼ • no connect the connection cord properly. ▼ • yes is the duplex fr...

  • Page 193

    40931201th rev. 4 193 / board-lex to printer unit duplex 12p sl 2p insens 3p fsens 4p cl 2p clutch 2 1 38v gnd 38v gnd solenoid inlet sensor front sensor 1 2 gnd dupinsens 5v 1 2 3 1 2 3 gnd paperlow 5v ph1n ph1p ph2n ph2p 38v gnd gnd 5v gnd gnd outsns clk data insns sdr papersns 1 2 3 4 5 6 7 8 9 1...

  • Page 194

    40931201th rev. 4 194 / rom cpu 1 4 1 4 1 3 1 1 clutch fsens insens sl2 1 18 12 1 main motor driver rear sensor 5.2 pcb layout lex-pcb.

  • Page 195

    40931201th rev. 4 195 / 6. Parts list 22 29 30 47 46 44 38 36 37 27 25 28 27 25 24 42 25 14 35 19 44 21 20 33 34 33 34 41 32 31 40 4 5 2 2 49 5 4 11 9 9 10 1 45 43 12 13 17 43 15 16 50 50 6 18 7 2 8 18 7 2 8 45 6 14 4 5 5 4 3 3 26 41 23 39 51 51.

  • Page 196

    40931201th rev. 4 196 / table 6-1 duplex unit(1/2) 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 33 34 35 remarks to in sensor to front sensor q'ty/u 1 6 4 4 4 2 2 2 2 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 3 1 2 1 1 1 1 1 2 2 1 parts no. 40658401 40339401 4038220...

  • Page 197

    40931201th rev. 4 197 / no. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 remarks # color : black without rom # # q'ty/u 1 1 1 1 1 2 1 2 2 2 1 1 1 1 2 2 parts no. 40483401 40395501 40382601 40322901 40382801 nk2-12sus re4-sk 40339102 40338601 40393701 40495804 40942601 40318201 40382701 41005501 4...

  • Page 198

    40931201th rev. 4 198 / appendix d second/ third paper feeder maintenance 1. Outline 1.1 functions this high capacity second/ third paper feeder, which is located under the printer, rotates the hopping motor according to the signal from the printer to supply papers to the printer automati- cally. Th...

  • Page 199

    40931201th rev. 4 199 / 2. Description of operartion 2.1 driving mechanism the high-capacity second/ third paper feeder only a top paper which is set in the cassette by a signal from the printer. (1) second paper feeder as an example is shown. First of all, the hopping motor rotates in the direction...

  • Page 200

    40931201th rev. 4 200 / a b a' b' e' h' i' l f' e h i f "paper" "paper" gear o (engaging to gear p or planetary gear g) gear j ( for timing belt) roller k gear j' roller k' gear n (for timing belt) roller c roller c' hopping roller gear hopping roller gear planetary gear d planetary gear d' sub roll...

  • Page 201

    40931201th rev. 4 201 / 2.2 hopper mechanism the hopper is a motion where papers are automatically sent into the printer one by one. When papers are set to the cassette, the feeding motion is activated by the hopping motor to send only a top paper which is caught on the brake shoe. Roller feeder hop...

  • Page 202

    40931201th rev. 4 202 / 3. Parts replacement in this section, the removing and installing procedure of assembly and unit in field are described. Although this section describes the removing procedure, the installing procedure is basically to conduct the removing one in reverse. 3.1 precautions conce...

  • Page 203

    40931201th rev. 4 203 / [service tools] table 3-1 shows the tools required for the replacement of printed circuit boards and units in the field. Table 3-1 service tools no. 1-100 philips screwdriver no. 2-100 philips screwdriver no. 3-100 screwdriver no. 5-200 screwdriver digital multimeter pliers h...

  • Page 204

    40931201th rev. 4 204 / 3.2 parts layout this section describes the layout of the main components. Roller assy feed roller assy hopping cover front assy board bbb case assy cassette frame side(r) assy frame side(l) assy.

  • Page 205

    40931201th rev. 4 205 / 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassembly order diagram below. High capacity second / thirdpaper feeder roller assy hopping, roller assy feed (3.3.1) cover front assy (3.3.2) board-bbb (3.3....

  • Page 206

    40931201th rev. 4 206 / 3.3.1 roller assy hopping, roller assy feed (1) remove the case assy cassette 1 . (2) disengage latchs to remove the roller assy hopping 2 . (3) disengage latchs to remove the roller assy feed 3 . 1 2 3.

  • Page 207

    40931201th rev. 4 207 / 3.3.2 cover front assy (1) unscrew two screws 1 to remove the cover front assy 2 . 1 1 2.

  • Page 208

    40931201th rev. 4 208 / 3.3.3 board-bbb (1) unscrew a screw 1 to remove the pcb cover bracket 2 . (2) take away all connectors 3 and three screws 4 to remove the board-bbb 5 . 1 2 4 3 3 4 5 3.

  • Page 209

    40931201th rev. 4 209 / 3.3.4 lever paper end, lever paper near end (1) unscrew five screws 1 to remove roller cover bracket 2 and plate-earth (l) 3 . (2) disengage latches to remove the lever paper end 4 and lever paper near end 5 . 1 1 2 4 5.

  • Page 210

    40931201th rev. 4 210 / 3.3.5 motor (1) remove the cover front assy (see section 3.3.2). (2) remove the pcb cover bracket (see section 3.3.3). (3) remove the roller cover bracket (see section 3.3.4). (4) unscrew seven screws 1 to remove the bottom bracket 2 . (5) unscrew five screws 3 to remove the ...

  • Page 211

    40931201th rev. 4 211 / 3.3.6 connector (imsa-9714n-14b), connector (imsa-9714n-14a) (1) remove the motor (see section 3.3.5). (2) unscrew two screws 1 to remove connector (imsa-9714n-14b) 2 and plate-earth (fr) 4 . (3) unscrew two screws 4 to remove the connector (imsa-9714n-14a) 5 . 1 2 3 4 5.

  • Page 212

    40931201th rev. 4 212 / 3.3.7 frange pulley, pulley idle, mini pitch belt, plate earth shaft, gear double, tray switch assy (1) remove the motor (see section 3.3.5). (2) remove the connector (see section 3.3.6). (3) unscrew two screws 1 to remove the motor bracket 2 . (at this time, the mini pitch b...

  • Page 213

    40931201th rev. 4 213 / 3.3.8 roller feed (1) remove the motor (see section 3.3.5). (2) remove the connector (see section 3.3.6). (3) remove the motor bracket (see section 3.3.7). (4) disengage latchs to remove the feeding bearing 1 . (5) disengage latchs to remove the pulley feed 2 . (at this time,...

  • Page 214

    40931201th rev. 4 214 / 3.3.9 bracket sub roller (1) remove the roller assy hopping and roller assy feed. (see section 3.3.1). (2) remove the roller feed (see section 3.3.8). (3) unscrew a screw 1 to remove the bracket joint 2 , spring joint 3 and gear joint 4 . (4) take away the e-ring 5 to remove ...

  • Page 215

    40931201th rev. 4 215 / 3.3.10 frame side (l) assy (1) remove the frame side (l) assy (see section 3.3.5). (2) remove the plate earth (bl) 1 . (3) take away the spring 2 to remove the cassette stopper 3 . (4) take away the spring sheet 4 to remove the pull block 5 . (at this time, lever link 6 can b...

  • Page 216

    40931201th rev. 4 216 / 3.3.11 frame side (r) assy (1) remove the frame side (r) assy (see section 3.3.5). (2) remove the plate earth (br) 1 . (3) take away the spring 2 to remove the cassette stopper 3 . (4) take away the spring sheet 4 to remove the pull block 5 . (at this time, lever link 6 can b...

  • Page 217

    40931201th rev. 4 217 / 4. Troubleshooting 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the operator guide. (2) obtain detailed information concerning the problem from the user. (3) go through the checking in the conditions similar to that in which...

  • Page 218

    40931201th rev. 4 218 / 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. Problem occurs carry out detailed troubleshooting according to the troubleshooting flow (see 4.3.2) troubleshooting according to the lcd status message list ...

  • Page 219

    40931201th rev. 4 219 / 4.3.2 troubleshooting flow • ( jam error ) paper input jam • does paper jam at the inlet when the power is turned on? • yes is the paper located above the inlet sensor lever? • yes remove the paper. ▼ • no is the inlet sensor lever operating normally? • no replace the inlet s...

  • Page 220

    40931201th rev. 4 220 / 5. Connection diagram 5.1 interconnection diagram board-bbb to printer unit / 2nd tray 2nd tray/ 3rd tray auto setting switch to 3rd tray tray 6p sw size 6p main2 7p main1 7p motor 4p hopping motor ph1n ph1p ph2n ph2p 1 2 3 4 7p 7p cn11 6p board-pxc insens clk data sdr gnd +3...

  • Page 221

    40931201th rev. 4 221 / 5.2 pcb layout bbb- pcb 2 1 6 5 2 1 tray 1 1 4 7 1 7 motor ic2 ic3 ic1 cpu size low end paper near end sensor motor driver paper end sensor.

  • Page 222

    40931201th rev. 4 222 / 6. Parts list 57 12 63 8 13(included 2-9) 3 18 6 7 17 25 24 61 66 16 20 62 23 22 45 65 52 51 26 48 49 36 36 39 37 53 33 40 41 47 54 60 43 44 46 32 34 56 55 42 35 45 30 27 19 29 31 38 28 1 64 7 8 9 3 68 67 10 5 4 11 9 2(included 2-9) 6 30 50 21 14 11 9 9 5 15 58 59.

  • Page 223

    40931201th rev. 4 223 / table 6-1 high capacity second/ third paper feeder (1/2) 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 33 34 35 remarks # for maintenance # for maintenance to printer or 2nd tray to 3rd tray q’ty/u 1 1 2 1 2 2 2 2 4 1 2 1 1 1 1 1 1...

  • Page 224

    40931201th rev. 4 224 / table 6-1 high capacity second/ third paper feeder (2/2) no. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 remarks # to 3rd tray to printer or 2nd tray # # q'ty/u 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

  • Page 225

    40931201th rev. 4 225 / appendix e multi feeder maintenance 1. Outline 1.1 functions this multi feeder is installed on the front section of the printer, and it supplies paper automatically through the operation of hopping motor, which is driven by signals sent from the printer. The main functions ar...

  • Page 226

    40931201th rev. 4 226 / 2. Mechanism description 2.1 general mechanism the sheet (or envelope) at the very bottom of the stack is fed into the printer, one at a time, when the multi feeder receives the signal from the printer. (1) first, the hopping motor rotates in the direction of arrow d. The pla...

  • Page 227

    40931201th rev. 4 227 / 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 reverse order. 3....

  • Page 228

    40931201th rev. 4 228 / no. 1-100 philips screwdriver no. 2-100 philips screwdriver no. 3-100 screwdriver no. 5-200 screwdriver digital multimeter pliers handy cleaner connector remover oki p/n: 4pp4076-5395p1 2~2.5 mm screws 3~5 mm screws 1 1 1 1 1 1 1 1 no. Service tools q'ty place of use remarks ...

  • Page 229

    40931201th rev. 4 229 / 3.2 parts layout this section describes the layout of the main components. Separator sensor lever roller (b) roller (a) planet gear control board (aole-pcb) hopping motor hopping cover upper cover.

  • Page 230

    40931201th rev. 4 230 / 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassembly order diagram below. Multi feeder separator (3.3.1) aole-pcb (3.3.2) square-shaped connector (3.3.3) hopping motor (3.3.4) planet gear (3.3.5) rolle...

  • Page 231

    40931201th rev. 4 231 / 3.3.1 separator (1) turn the printer power off and remove the multi feeder. (2) disengage the link and hopper cover. (3) remove two screws 1 , disengage two locks of the upper cover 2 using a flat-head screwdriver, and remove the upper cover 2 . (4) remove two pan-head screws...

  • Page 232

    40931201th rev. 4 232 / 3.3.2 aole-pcb (1) remove the upper cover (see 3.1.1 (1) to (3)). (2) remove two screws 1 and remove the aole-pcb 2 . (3) remove the connector 3 . (4) remove the connector 4 . Caution: be careful to set the sensor plate properly when mounting aole-pcb. 2 2 3 1 4 sensor plate.

  • Page 233

    40931201th rev. 4 233 / 3.3.3 square-shaped connector (1) remove the upper cover and remove the cover frame 5 (see 3.3.1 (1) to (4)). (2) remove the aole-pcb (see 3.3.2). (3) remove the screw 1 and remove the square-shaped connector 2 . (4) using the connector remover, remove the nylon cord 3 from t...

  • Page 234

    40931201th rev. 4 234 / 3.3.4 hopping motor (1) remove the upper cover (see 3.3.1 (1) to (3)). (2) remove the aole-pcb. (see 3.3.2) (3) remove two screws 1 , then remove the hopping motor 2 . 2 1.

  • Page 235

    40931201th rev. 4 235 / 3.3.5 planet gear (1) remove the upper cover (see 3.3.1 (1) to (3)). (2) remove the aole-pcb (see 3.3.2). (3) remove two screws 1 , then remove the motor bracket assy 2 and the planet gear 3 . 3 2 1.

  • Page 236

    40931201th rev. 4 236 / 3.3.6 roller b (1) remove the upper cover (see 3.3.1 (1) to (3)). (2) disengage the plate and frame (on both sides). (3) remove the separator assy (see 3.3.1 (4) to (5)). (4) remove the aole-pcb (see 3.3.2). (5) remove the motor bracket assy (see 3.3.5). (6) remove the gear 1...

  • Page 237

    40931201th rev. 4 237 / 3.3.7 roller a (1) remove the motor bracket assy (see 3.3.5). (2) remove two gears 1 and then another gear 2 . (3) disengage the plate 3 and the frame 4 . (4) remove four screws 5 and remove the frame 4 (see 3.3.6). (5) move the belt to the right and remove it from the one-wa...

  • Page 238

    40931201th rev. 4 238 / 3.3.8 mini pitch belt & feed roller (1) remove the roller a (see 3.3.7). (2) remove the bearing 1 and remove the feed roller assy 2 . (3) remove two bearings 3 and remove the plate 4 . (4) remove the mini pitch belt 5 and the feed roller 6 . 1 5 4 6 3 3 2.

  • Page 239

    40931201th rev. 4 239 / 4. Troubleshooting 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the operator guide. (2) obtain detailed information concerning the problem from the user. (3) go through the checking in the conditions similar to that in which...

  • Page 240

    40931201th rev. 4 240 / 4.3.1 lcd status message list the listing of the statuses and problems displayed in the form of messages on the lcd is provided in table 4-1. Table 4-1 paper input jam check feeder paper feed jam check feeder error paper size check feeder error 81 classification lcd status me...

  • Page 241

    40931201th rev. 4 241 / 4.3.2 troubleshooting flow • ( jam error ) paper input jam • does paper jam at the inlet when the power is turned on? • yes is the paper located above the inlet sensor lever? • yes remove the paper. ▼ • no is the inlet sensor lever operating normally? • no replace the inlet s...

  • Page 242

    40931201th rev. 4 242 / 5. Connection diagram 5.1 interconnection diagram aole - pcb cn3 2 m-t3 1 m-t4 4 m-t1 3 m-t2 m cn1 optpsin-n optsclk-n optsd-p optsdr-n ovp + 30v + 5v 7 6 5 4 3 2 1 pulse motor to the printer 5.2 pcb layout aole-pcb cn3 sen2 cn1.

  • Page 243

    40931201th rev. 4 243 / 2 3 12 4 9 8 6 1 11 10 5 7 12 6. Parts list.

  • Page 244

    40931201th rev. 4 244 / table 6-1 multi feeder no. 1 2 3 4 5 6 7 8 9 10 11 12 remarks q'ty/u 1 1 1 1 1 1 1 1 1 1 1 3 parts no. 4pp4083-5544g001 3pb4083-5514p001 4pp4083-5520p001 4pb4083-6075p001 3pb4083-5524p001 4pb4043-4614p001 4lp-1313-338 4pb4043-4743p001 4ya4046-1647g011 2201000p0141 4ys4011-444...