1. DL manuals
  2. Oki
  3. Printer
  4. OKIPAGE 14ex
  5. Maintenance Manual

Oki OKIPAGE 14ex Maintenance Manual

Summary of OKIPAGE 14ex

  • Page 1

    41356901th rev.2 1 / 196 okipage 14ex led page printer maintenance manual rev.2 2001-03-19 oda / oel / int.

  • Page 2

    41356901th rev.2 2 / rev.No. Date no. Corrected items page description of change person in charge document revision history 1 2000-09-21 issue emp ono 2 2001-03-19 np39 h ono.

  • Page 3: Preface

    41356901th rev.2 3 / preface this maintenance manual describes the field maintenance methods for led page printers. This manual is written for use by service persons. Please note that you should refer to the printer handbook for the handling and operating methods of the equipment..

  • Page 4: Contents

    41356901th rev.2 4 / contents 1. Configuration .................................................................................................. 7 1.1 system configuration ..................................................................................... 7 1.2 printer configuration ................

  • Page 5

    41356901th rev.2 5 / 4. Adjustment ........................................................................................................ 73 4.1 maintenance modes and functions ................................................................ 73 4.1.1 user maintenance mode ............................

  • Page 6

    41356901th rev.2 6 / 3. Parts replacement ................................................................................ 159 3.1 precautions concerning parts replacement ......................................................... 159 3.2 parts layout ....................................................

  • Page 7

    41356901th rev.2 7 / 1. Configuration 1.1 system configuration okipage 14ex consists of control and engine blocks in the standard configuration, as shown in figure 1-1. In addition, the options marked with asterisk(*) are available..

  • Page 8

    41356901th rev.2 8 / figure 1-1 high voltage unit and sensor board electrophotographic processing unit fuser unit paper feeding mechanism (first tray unit) rs-232c serial* interface board 1 dram simm socket 1 flash simm socket main control board operator panel paper cassette face down stacker engine...

  • Page 9

    41356901th rev.2 9 / 1.2 printer configuration the printer unit consists of the following hardware components: • electrophotographic processor • paper feeder • controller • operator panel • power supply unit the printer unit configuration is shown in figure 1-2. Figure 1-2 upper cover operator panel...

  • Page 10

    41356901th rev.2 10 / (3) expansion board 1.3 optional configuration the options shown below are available for use with okipage 14ex. These are available separately from the printer unit. (1) high capacity second paper feeder (2) multi purpose feeder.

  • Page 11

    41356901th rev.2 11 / (4) rs-232c serial interface board (5) dram simm memory dram simm memory is available with memory of 8mb,16mb,32mb [oki data genuine]. The access time of simm memories are 60ns, 70ns, 80ns, and 100ns. (6) flash simm flash simm is available with memory of 4mb, 8mb and 16mb..

  • Page 12

    41356901th rev.2 12 / 1.4 specification (1) type desktop (2) external dimensions height 8.5” (215 mm) width 13.6” (345 mm) depth 15.6” (395 mm) (3) weight approx. 9kg (4) developing method dry electrophotography exposing method led stationary head (5) paper used • standard paper – xerox 4200 (20 lbs...

  • Page 13

    41356901th rev.2 13 / (11) power consumption 120vac 230vac peak : approx. 600w approx. 600w typical operation : approx. 340w approx. 340w idle : approx. 75w approx. 66w power save mode : approx. 10w approx. 11w (12) temperature and humidity 1. Storage conditions specified above apply to printers in ...

  • Page 14

    41356901th rev.2 14 / 1.5 safety standards 1.5.1 certification label the safety certification label is affixed to the printer in the position described below. 1.5.2 warning label the warning labels are affixed to the sections which may cause bodily injury. Follow the instructions on warning labels d...

  • Page 15

    41356901th rev.2 15 / 1.5.3 warning/caution marking the following warning and caution markings are made on the power supply/sensor board. English heatsink and transformer core present risk of electric shock. Test before touching. French le dissipateur thermique et le noyau du transformateur présente...

  • Page 16

    41356901th rev.2 16 / 2. Operation description okipage 14ex consists of a main control board, a power supply/sensor board, an operator panel, an electrophotographic process mechanism, and revision for illumination of led head. The main control board receives data via the host i/f, it then decodes, e...

  • Page 17

    41356901th rev.2 17 / figure 2-1 okipage 14ex block diagram expansion board (option) rs232c interface board (option) or program & font rom 8mb mask rom resident ram 2mb x 2 dram (4mb) for optional board main control board high voltade unit data bus (32bit) eeprom 74ls07 ml60851 inlet sensor 1 inlet ...

  • Page 18

    41356901th rev.2 18 / 2.1 main control board the main control board consists of a single chip cpu, two program/font roms, four drams, an eeprom, a host interface circuit, and a mechanism driving circuit. (1) single chip cpu the single chip cpu is a custom cpu (32-bit internal bus, 32-bit external bu...

  • Page 19

    41356901th rev.2 19 / 2.2 power supply/sensor board the power supply/sensor board consists of an ac filter circuit, a low voltage power supply circuit, a high voltage power supply circuit, heater drive circuit, and photosensors. (1) low voltage power supply circuit this circuit generates the followi...

  • Page 20

    41356901th rev.2 20 / figure 2-2 the sensor layout diagram is shown in figure 2-2. Outlet sensor exit roller heat roller transfer roller paper sensor registration roller inlet sensor 1 inlet sensor 2 toner sensor paper end sensor hopping roller paper feeding direction sensor function sensing state i...

  • Page 21

    41356901th rev.2 21 / 2.3 electrophotographic process 2.3.1 electrophotographic process mechanism this mechanism actuates the printing of image data supplied by the main control board on the paper by electrophotographic process. The layout of the electrophotographic process mechanism is shown in fig...

  • Page 22

    41356901th rev.2 22 / figure 2-3 paper cassette eject sensor lever eject roller assy heat roller charge roller developing roller led head image drum unit back-up roller cleaning roller transfer roller paper sensor plate inlet sensor plate registration roller hopping roller toner cartridge pressure r...

  • Page 23

    41356901th rev.2 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) registration motor the registration motor is a pulse motor of 48 ...

  • Page 24

    41356901th rev.2 24 / 2.3.2 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 negative voltage to the ...

  • Page 25

    41356901th rev.2 25 / paper eject roller (face down) power supply paper eject roller paper eject (face up) cleaning roller led head image data registration roller hopping roller heater roller power supply doctor blade power supply (bias voltage) toner supply roller toner cartridge paper eject fusing...

  • Page 26

    41356901th rev.2 26 / print-n out sensor off prdy-n dm-on-n rm-on insns outsns-n feed stop in sensor off feed start figure 2-5.

  • Page 27

    41356901th rev.2 27 / 2.3.3 process operation descriptions (1) hopping and feeding hopping and feeding motions are actuated by a single registration motor in the mechanism as shown below: the registration motor turning in direction "a" drives the hopping roller. The registration motor turning in dir...

  • Page 28

    41356901th rev.2 28 / (b) feeding 1 when hopping is completed, the registration motor turning in direction "b" (counter- clockwise direction) drives the registration roller to advance the paper (in this case, the hopping gear also turns, but the hopping roller is prevented from turning by the one-wa...

  • Page 29

    41356901th rev.2 29 / (2) charging charging is actuated by the application of the dc voltage to the charge roller that is in contact with the image drum surface. The charge roller is composed of two layers, a conductive layer and a surface protective layer, both having elasticity to secure good cont...

  • Page 30

    41356901th rev.2 30 / (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. Power supply led head charge rol...

  • Page 31

    41356901th rev.2 31 / the image roller 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 are moved to the ctl b...

  • Page 32

    41356901th rev.2 32 / (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 roller rotates while rubbi...

  • Page 33

    41356901th rev.2 33 / 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. Image drum base developing roller connected and bi...

  • Page 34

    41356901th rev.2 34 / (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 of the toner, is applie...

  • Page 35

    41356901th rev.2 35 / (6) fusing when the transfer is completed, the toner image is fused to the paper by heat and pressure as the paper with unfused toner image passes between the heater roller and the back-up roller. The heater roller with teflon coating incorporates a 550w heater (halogen lamp), ...

  • Page 36

    41356901th rev.2 36 / (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 rollers are cleaned for...

  • Page 37

    41356901th rev.2 37 / 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 l...

  • Page 38

    41356901th rev.2 38 / 2.4 paper jam detection the paper jam detection function monitors the paper condition when the power is turned on and during printing. When any of the following conditions arises, this function interrupts the printing process. If any of the following errors is encountered, prin...

  • Page 39

    41356901th rev.2 39 / note: hyphen "-" in the table represents "not checked." paper feed check list paper length list minus type of error monitor standard value error plus paper feed error paper feed jam paper feed jam paper size error paper exit jam paper feed jam 72.0 20.0 140.5 depends on the pap...

  • Page 40

    41356901th rev.2 40 / 2.5 cover open when the stacker cover is opened, the cover open microswitch on the power supply/sensor board is turned off to cut +5v supply to the high voltage power supply circuit. This results in the interruption of all high-voltage outputs. At the same time, the cvopn signa...

  • Page 41

    41356901th rev.2 41 / 2.6 toner low detection • device the toner low detection device consists of a stirring gear which rotates at a constant rate, a stirring bar and a magnet on the stirring bar. The stirring bar rotation is driven by the link to the gouged portion in the stirring gear. • operation...

  • Page 42

    41356901th rev.2 42 / toner full state toner low state t1 t1 > 0.5 sec. 1.7564 sec. Tnrsns-n t1 160 ms 1.7564 sec. Tnrsns-n • 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. •...

  • Page 43

    41356901th rev.2 43 / 3. Parts replacement 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. 3.1 precautions for parts replacement (1) before startin...

  • Page 44

    41356901th rev.2 44 / [service tools] the tools required for field replacement of printed circuit boards, assemblies and units are listed in table 3-1. Table 3-1 service tools no. Q' ty application remarks service tools 1 2 3 4 5 6 7 8 1 1 1 1 1 1 1 1 2~2.5 mm screws 3~5 mm screws cleans led head no...

  • Page 45

    41356901th rev.2 45 / 3.2 parts layout this section explains the layout of main components of the equipment. [lower base unit] figure 3-1 eject roller assy pulse motor (main/drum) pulse motor (registration) registration roller assy spacer bearing r spacer bearing l back-up roller stacker cover assy ...

  • Page 46

    41356901th rev.2 46 / [upper cover unit] figure 3-2 upper cover.

  • Page 47

    41356901th rev.2 47 / [base unit] figure 3-3 paper cassette dc fan assy face up stacker assy operator panel assy power supply/ sensor board (low voltage) high voltage unit / sensor board main control board cassette guide (l) assy cassette guide (r) assy.

  • Page 48

    41356901th rev.2 48 / 3.3 how to change parts this section explains how to change parts and assemblies listed in the disassembly diagram below. In the parts replacement procedure, those parts marked with the part number inside ● with white letters are rspl parts. Printer unit upper cover assy (3.3.1...

  • Page 49

    41356901th rev.2 49 / 3.3.1 upper cover assy (1) with the power switch turned off, unplug the ac power cord from the outlet. (2) disconnect the interface cable 1 . (3) press the knobs 2 on left and right sides and open the stacker cover assy 3 . (4) take out the image drum unit 4 . (5) remove two sc...

  • Page 50

    41356901th rev.2 50 / 3.3.2 led head (1) press the knobs on left and right sides and open the stacker cover assy 1 . (2) open the hook section on the left side of the stacker cover and remove the led head 2 . Note: • be sure not to touch directly or push on the sla part of the led head. • do not rem...

  • Page 51

    41356901th rev.2 51 / 3.3.3 operator panel assy (1) unlock two latches on the upper cover from the rear side, lift the operator panel assy 1 from the back and remove it. (2) remove the sumi card (operator panel) 2 from the connector (cn1) 3 . Note : you can remove the operator panel assy while the u...

  • Page 52

    41356901th rev.2 52 / 3.3.4 lower base unit (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the connecting cables 2 and 3 of the pulse motors from the connectors (dm, rm) of the m7e-pcb 1 . (5) r...

  • Page 53

    41356901th rev.2 53 / 3.3.5 pulse motor (main/drum) (1) remove the upper cover assy (see 3.3.1). (2) remove the lower base unit (see 3.3.4). (3) remove two screws 1 and remove the pulse motor (main/drum) 2 from the motor bracket 3 . 3 view a view a 2 1 1.

  • Page 54

    41356901th rev.2 54 / 3.3.6 pulse motor (registration) (1) remove the upper cover assy (see 3.3.1). (2) remove the lower base unit (see 3.3.4). (3) remove two screws 1 and remove the pluse motor (registration) 2 from the motor bracket 3 . 2 1 1 3 view a view a.

  • Page 55

    41356901th rev.2 55 / 1 2 3 4 3.3.7 face up stacker assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the screw 1 and remove the sumi card (operator panel cable) 2 off the latch section of face up stacker assy 4 . Remove both the shield plat...

  • Page 56

    41356901th rev.2 56 / 3.3.8 eject roller assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) disengage the eject roller assy 1 from the lower base 2 by press...

  • Page 57

    41356901th rev.2 57 / 3.3.9 motor assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) remove the heat sink from the pulse motor (main/drum) (see 3.3.5). (6) ...

  • Page 58

    41356901th rev.2 58 / 3.3.10 hopping roller shaft assy (1) remove the upper cover (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) remove the motor assy (see 3.3.9). (6) with the lower base u...

  • Page 59

    41356901th rev.2 59 / 3.3.11 stacker cover assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the reset lever r 1 . (5) detach the reset spring 2 from the lower base unit 3 , turn the reset lev...

  • Page 60

    41356901th rev.2 60 / 3.3.12 registration roller (1) remove the upper cover (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) remove the motor assy (see 3.3.9). (6) with the lower base unit st...

  • Page 61

    41356901th rev.2 61 / 3.3.13 roller transfer assy (1) with the power switch turned off, unplug the ac cord from the outlet. (2) open the stacker cover. (3) release the roller transfer assy 1 by unlocking the latch of the main unit (never apply excessive force when unlocking the latch). (4) lift the ...

  • Page 62

    41356901th rev.2 62 / 3.3.14 fusing unit (1) remove the upper cover (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) remove the stacker cover assy (see 3.3.11). (6) remove four screws 1 , lif...

  • Page 63

    41356901th rev.2 63 / 3.3.15 back-up roller (1) remove the fusing unit assy (see 3.3.14). (2) lift the left side of the back-up roller 1 , and pull it out to the left side (at this time, two bearing holders (back-up) 2 and the bias springs (back-up) 3 and the two ball-bearing 4 , washer b 5 , washer...

  • Page 64

    41356901th rev.2 64 / 3.3.16 sensor plate (inlet) (1) remove the upper cover (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) press the clamps of three sensor plates (inlet and paper) 1 , and...

  • Page 65

    41356901th rev.2 65 / 3.3.17 sensor plate (outlet), sensor wire assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the eject roller assy (see 3.3.8). (4) remove the face up stacker assy (see 3.3.7). (5) remove the lower base unit (see 3.3.4)....

  • Page 66

    41356901th rev.2 66 / 3.3.18 manual feed guide assy (1) remove the upper cover assy (see 3.3.1). (2) open the manual feed guide assy 1 , and release the engagement on both sides with the main unit by carefully bending the manual feed guide assy 1 . Note : when remounting, verify the proper the engag...

  • Page 67

    41356901th rev.2 67 / 3.3.19 sensor plate (paper supply) (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) press the clamps of the sensor plate (paper supply) 1...

  • Page 68

    41356901th rev.2 68 / 3.3.20 m7e-pcb (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.3). (3) remove the face up stacker assy (see 3.3.7). (4) remove the lower base unit (see 3.3.4). (5) remove the connector (2ndtray) 6 . (6) remove three screws 1 . (7) move t...

  • Page 69

    41356901th rev.2 69 / 3.3.21 power supply/sensor board, high voltage unit and contact assy (1) remove the upper cover assy (see 3.3.1). (2) remove the lower base unit (see 3.3.4). (3) remove the m7e-pcb (see 3.3.20). (4) remove the ac inlet 1 from the base plate 2 . (5) remove the screw 3 and remove...

  • Page 70

    41356901th rev.2 70 / 3.3.22 cassette guide l assy (1) remove the paper cassette. (2) remove the upper cover assy (see 3.3.1). (3) remove the lower base unit (see 3.3.4). (4) remove the m7e-pcb (see 3.3.20). (5) remove the power supply/sensor board (see 3.3.21). (6) remove two screws 1 , and remove ...

  • Page 71

    41356901th rev.2 71 / 3.3.23 cassette guide r assy (1) remove the paper cassette. (2) remove the upper cover assy (see 3.3.1). (3) remove the lower base unit (see 3.3.4). (4) remove the m7e-pcb (see 3.3.20). (5) remove two screws 1 , and remove the guide rails 2 . (6) remove the screw 3 , and remove...

  • Page 72

    41356901th rev.2 72 / 3.3.24 spacer bearing (l/r) (1) remove the back-up roller (see 3.3.15). (2) remove spacer bearing (l/r) with a tip of screw driver. Spacer bearing l spacer bearing r.

  • Page 73

    41356901th rev.2 73 / 4. Adjustment this chapter provides explanations concerning the adjustment necessary when replacing a part. The adjustment is made by changing the parameter value set in eeprom on the main control board. The parameter can be set by the key operation from the operator panel. Thi...

  • Page 74

    41356901th rev.2 74 / 4.1.3 engine maintenance mode note: this mode is used only by maintenance personnel, and it should not be released to the end users. (1) to enter into the engine maintenance mode, turn the power on while holding enter and form feed keys down. (2) functions of this mode are sele...

  • Page 75

    41356901th rev.2 75 / 4.1.4 eeprom initialization the corresponding are of the eeprom is initialized for each event as shown table 4-1. Talbe 4-1 eeprom initial setting range eeprom area no event menu level 1 menu level 2 f/w revision area customer information user maintenance area note1) system mai...

  • Page 76

    41356901th rev.2 76 / 4.2.1 uploading/downloading eeprom data when the controller printed circuit board is replaced, the contents of the old eeprom shall be copied to the new eeprom on the new board to preserve customer settings. For the purpose, use the eeprom operation on the option of the mainten...

  • Page 77

    41356901th rev.2 77 / 5. Periodical maintenance 5.1 periodical replacement parts the parts are to be replaced periodically as specified below: white lines or stripes (void, light printing) 5.2 cleaning remove any toner or dust accumulated inside the printer. Clean in and around the printer with a pi...

  • Page 78

    41356901th rev.2 78 / (1) set the led head cleaner to the led lens array as shown in the figure, then slide the cleaner back and forth horizontally several times to clean the head. Note: gently press the led head cleaner onto the led lens array. (2) throw the cleaner pad away. Led lens array led hea...

  • Page 79

    41356901th rev.2 79 / 5.2.2 cleaning page function there is a charge roller cleaning function with this printer, which can be executed by the user. (1) while the printer is in off-line mode, press both and keys simultaneously for at least 2 seconds. The printer enters the cleaning mode. (2) the lcd ...

  • Page 80

    41356901th rev.2 80 / 6. Troubleshooting procedures 6.1 troubleshooting tips (1) check the troubleshooting section in the printer handbook. (2) gather as much information about the situation as possible. (3) inspect the equipment under the conditions close to those in which the problem had occurred....

  • Page 81

    41356901th rev.2 81 / 6.4 preparation for troubleshooting (1) operator panel display the failure status of the printer is displayed by the liquid crystal display (lcd) of the operator panel. Take proper corrective action as directed by messages which are being displayed on the lcd. Status message di...

  • Page 82

    41356901th rev.2 82 / 6.5 troubleshooting flow should there be a problem with the printer, carry out troubleshooting according to the following procedure flow: 6.5.1 lcd status message/problem list the status and problems which may be displayed by messages on the lcd are listed in table 6-1. Problem...

  • Page 83

    41356901th rev.2 83 / table 6-1(1/9) category lcd status message problem or status remedy controller errors – normal operation cannot be ensured. Turn the power off, then back on to restart. – if normal operation is not recovered by this restart procedure, replace the main control board. Note 1) sin...

  • Page 84

    41356901th rev.2 84 / table 6-1 (2/9) category lcd status message problem or status remedy controller errors (continued) – turn the power off, then back on to recover from the error. – if normal operation is not recovered by this restart procedure, use the following remedial actions. Error nn code (...

  • Page 85

    41356901th rev.2 85 / table 6-1 (3/9) category lcd status message problem or status remedy controller errors (continued) error nn code (nn) error 72 73 74 77 80 90 91 f0 f1 f2 f3 f4 a failure occurred with the fuser (thermistor open error). A failure occurred with the fuser (thermistor short error)....

  • Page 86

    41356901th rev.2 86 / table 6-1 (4/9) category lcd status message problem or status remedy controller errors (continued) interface errors cover open jam errors error nn host i/f rs232c cover open cover t2 open tray inputjam code (nn) error f5 f6 f7 system timer program error. Defect in the cable of ...

  • Page 87

    41356901th rev.2 87 / table 6-1 (5/9) category lcd status message problem or status remedy jam errors (continued) paper size error tray paper out size error – open the cover, remove the paper, then close the cover. When the cover is closed, recovery printing is performed and the error display is rel...

  • Page 88

    41356901th rev.2 88 / table 6-1 (6/9) category lcd status message problem or status remedy buffer overflow daily status – press the operator panel recover key on the op- erator panel to release the error display. – change the setting of the host or printer so that the host can detect the busy status...

  • Page 89

    41356901th rev.2 89 / table 6-1 (7/9) category lcd status message problem or status remedy daily status (continued) normal operation. Print fonts print menu initial- izing fmloading fm error print demo all fonts of the printer are being printed during self-test. Ready on : executed by command entry....

  • Page 90

    41356901th rev.2 90 / table 6-1 (8/9) category lcd status message problem or status remedy daily status (continued) normal operation. Replace the toner cartridge. Replace the power supply/sensor board. Nnn/mmm print cleaning cleaning manual# reset reset to save tonerlow tonersns when the number of c...

  • Page 91

    41356901th rev.2 91 / table 6-1 (9/9) category lcd status message problem or status remedy daily status (continued) – replace the image drum cartridge. – after replacing the drum cartrridge, reset the drum counter. (refer to the printer handbook) normal operation. Toneremp toneremp chg cart chg drum...

  • Page 92

    41356901th rev.2 92 / 6.5.2 lcd message troubleshooting if the problems cannot be corrected by using the lcd status message/problem list, follow the troubleshooting flowcharts given here to deal with them. 1. 2. 3. 4. 5. 6. Trouble the printer does not work normally after the power is turned on. Jam...

  • Page 93

    41356901th rev.2 93 / 1 the printer does not work normally after the power is turned on. • turn the power off, then back on. • is all black message being displayed by the lcd display? • no is the ac cord being connected properly? • no connect the ac cord properly. • yes is +5 v being applied between...

  • Page 94

    41356901th rev.2 94 / 1 -1 • take the measurement of the following voltage readings at connector cn3 on the power supply board without main control board: voltage between pins 11 and 16: ... About 5vdc voltage between pins 17 and 16: ... About 30vdc voltage between pins 24 and 16: ... About 12vdc • ...

  • Page 95

    41356901th rev.2 95 / [jam error] 2 -1 paper input jam • does the jam error occur when the power is turned on? • yes is the paper at the inlet sensor? • yes remove the paper. • no is the operation of the inlet sensor plate normal (moves freely when it is touched)? • no replace the inlet sensor plate...

  • Page 96

    41356901th rev.2 96 / [jam error] 2 -2 paper feed jam • does the paper feed jam occur when the power is turned on? • yes is the paper on the paper sensor plate? • yes remove the paper. • no is the operation of the paper sensor plate normal (moves freely when it is touched)? • no replace the paper se...

  • Page 97

    41356901th rev.2 97 / 2 -2-a • no check the gears (transfer roller gear, idle gear and reduction gear). • yes is the fusing unit being installed properly? • no install the fusing unit properly. • yes is the image drum cartridge being set properly? • no set the image drum cartridge properly. • yes cl...

  • Page 98

    41356901th rev.2 98 / 3 paper size error • is paper of the specified size being used? • no use paper of the specified size. • yes are inlet sensor plates 1 and 2 operating properly (moves freely when they are touched)? • no replace the inlet sensor plate or clean the inlet sensor on the power supply...

  • Page 99

    41356901th rev.2 99 / 4 fusing unit error (error 71) (error 72) (error 73) • turn the power off, then back on again. • yes is the thermistor open or shorted? Measure the resistance between thermistor contacts (heater contacts 120v/3 Ω or 240v/10 Ω , and thermistor contacts 220k Ω at room temperature...

  • Page 100

    41356901th rev.2 100 / 5 synchronous serial i/o error (error 74) or i/f timeout between printer and op- tional tray (error f2, f3 ) • is an option tray (high capacity second paper feeder or power envelope feeder) being used? • yes is the cable between the main control board and the optional tray bei...

  • Page 101

    41356901th rev.2 101 / 6.5.3 image troubleshooting procedures for troubleshooting for abnormal image printouts are explained below. Figure 6-3 below shows typical abnormal images. Figure 6-3 problem flowchart number images are light or blurred entirely (figure 6-3 a ) dark background density (figure...

  • Page 102

    41356901th rev.2 102 / 1 images are light or blurred entirely. • is toner low (is the toner low message displayed)? • yes supply toner. • no is paper of the specified grade being used? • no use paper of the specified grade. • yes is the lens surface of the led head dirty? • yes clean the lens. • no ...

  • Page 103

    41356901th rev.2 103 / 2 dark background density • has the image drum been exposed to external light? • yes install the image drum in the printer and wait about 30 minutes. • no perform the cleaning page function (see section 5.2.2). • has the problem been solved? • yes end • no is the heat roller o...

  • Page 104

    41356901th rev.2 104 / 3 blank paper is output. • is the led head being connected properly (check the head1 and head2 connectors on the main control board and pc connector on the led head)? • no connect the led head properly or replace the head cable(s). • yes is the contact of the image drum cartri...

  • Page 105

    41356901th rev.2 105 / 4 black vertical belts or stripes • perform the cleaning page function (see section 5.2.2). • has the problem been solved? • yes end. • no replace the image drum cartridge. • has the problem been solved? • yes end note: after replacing the image drum cartridge, set the printer...

  • Page 106

    41356901th rev.2 106 / 5 cyclical defect note: after replacing the image drum cartridge, set the printer to the user maintenance mode by turning the power on while pressing the menu key, and reset the drum counter (see printer handbook). Frequency remedy image drum developing roller toner supply rol...

  • Page 107

    41356901th rev.2 107 / 6 prints voids • is the contact plate of the transfer roller in proper contact with the power supply/sensor board (see figure 6-5)? • no adjust the contact plate so that it touches the power supply/sensor board and the shaft of the transfer roller properly. • yes replace the t...

  • Page 108

    41356901th rev.2 108 / 7 poor fusing (images are blurred or peels off when the printed characters and im- ages on the paper are touched by hand) • is paper of the specified grade being used? • no use paper of the specified grade. • yes is the tension between the back-up roller (7.52kg) and the surfa...

  • Page 109

    41356901th rev.2 109 / 8 white vertical belts or streaks • are the led lens dirty? • yes clean the led lens. • no is the contact plate of the transfer roller in proper contact with the power supply/sensor board (see figure 6-5)? • no adjust the contact plate to make a proper contact with the power s...

  • Page 110

    41356901th rev.2 110 / figure 6-4 contacts ch ar ge r olle r groun d (d ru m ) sub-c harg e roll e d ev elop in g r ol le r tone rs uppl y r ol ler the rm is to r t he rm is tor f e d h c b a f hea ter ac g he ate r a c g.

  • Page 111

    41356901th rev.2 111 / figure 6-5 contact power supply/sensor board contact plate for transfer roller.

  • Page 112

    41356901th rev.2 112 / 7. Wiring diagram 7.1 interconnect signal diagram sqcr-n trsel-p sclk-n thermcmp-p psin1-n cvopn-n wrsns-n dout-p 0vl rxd2-p +5v +5v +3.3v +3.3v 0vl 0vl +38v +38v trsel2-n heaton-n 0vp -8v 0vp +8v 0vp trsel3-n option cent rm dm fan m rmph1-p rmph1-n rmph2-p rmph2-n registratio...

  • Page 113

    41356901th rev.2 113 / 7.2 pcb layout and connector signal list (1) main control board (m7e-pcb) usb 1 2 1 2 4 3 4 3 cent option option head1 head2 dm power fan 2 1 2 1 26 246 1 2 3 3 1 2 5 6 4 7 8 1 2 1 5 4 3 87 6 18 41 4 135 25 rm envelope panel 2ndtray 2 1 14 13 11 1 12 2 50 1 100 51 18 36 1 19 3...

  • Page 114

    41356901th rev.2 114 / (2) power supply/sensor board cn2 cn3 cn4 cn1 sw1 f1 ps1 ps2 ps3 ps4 sw2 ps6 ps5.

  • Page 115

    41356901th rev.2 115 / • fan connector pin assignment (to fan motor) • dm connector pin assignment (to main/drum motor) 1 2 3 1 2 3 o c i signal description fanpow ov fanalm-n power supply for fan driving ground fan alarm pin no. I/o* opening 1 2 3 4 1 2 3 4 o o o o signal description dmph1-p dmph1-...

  • Page 116

    41356901th rev.2 116 / • rm connector pin assignment (to registration motor) 1 2 3 4 1 2 3 4 o o o o signal description rmph1-p rmph1-n rmph2-p rmph2-n coil 1-n coil 1-p coil 2-p coil 2-n pin no. I/o* 2 4 1 3 line color step no. Yellow black orange brown 1 + + - - pin no. 2 - + + - 3 - - + + 4 + - -...

  • Page 117

    41356901th rev.2 117 / • head1 connector pin assignment (to led head) • head2 connector pin assignment (to led head) 14 12 10 8 6 4 2 14 13 12 11 10 9 8 7 6 5 4 3 2 1 o o o o o o o o c o o c o c signal description hdstb4-n hdstb3-n hdstb2-n hdstb1-n hddld-p +3.3v hdd1-p hdd0-p ovled hdd3-p hdd2-p ov...

  • Page 118

    41356901th rev.2 118 / • panel connector pin assignment (to operator panel) • envelope connector pin assignment (to option feeder i/f) 1 3 5 1 2 3 4 5 6 o c o i c o signal description pin no. I/o* 2 4 6 * i: in o: out c: common pld-n ov pdataout-p pdatain-p 5v psclk-n load logic groud data output da...

  • Page 119

    41356901th rev.2 119 / • power connector pin assignment (to power supply/sensor board) motor and fan drive voltage and source voltage for high voltage supply motor and fan drive voltage and source voltage for high voltage supply *o i c : out : in : common 2 4 6 8 10 12 14 16 18 20 22 24 26 1 3 5 7 9...

  • Page 120

    41356901th rev.2 120 / • cent connector pin assignment (to centro parallel i/f) *o i c : out : in : common 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 pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 i/o* i c c c c c c c c o o o o i c c o si...

  • Page 121

    41356901th rev.2 121 / • usb connector pin assignment (to usb i/f) 2 1 3 4 1 2 3 4 i i/o i/o c signal description vcc d- d+ 0v +5v power usb data usb data ground pin no. I/o* * i: in o: out c: common.

  • Page 122

    41356901th rev.2 122 / • option connector pin assignment (to option ram or rs232c board) 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 02 04 06 08 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 ...

  • Page 123

    41356901th rev.2 123 / 7.3 resistance check orange yellow brown black m 1 2 3 4 1 2 3 4 thermostat heater thermistor unit registration motor main/drum motor fusing unit circuit diagram illustration resistance between pins 1 and 2: 18.6 Ω between pins 3 and 4: 18.6 Ω between pins 1 and 2: 4.2 Ω betwe...

  • Page 124

    41356901th rev.2 124 / unit fan circuit diagram illustration resistance red black +30 v 1 fanalm-n 3 0 v 2 m.

  • Page 125

    41356901th rev.2 125 / 8. Parts list figure 8-1 lower base unit view a view a 29 7 14 42 26 35 13 11 27 28 39 2 40 1 2 3 24 17 21, 22 37 36 19 25 45 43 60 10 9,47 8 44 10 46 20 41 12 a 16 15 33 38 34 31 32 9,47 23 61 52 55 4 53 57 6 54 56 51 55 56 60 59 58 18 50 a 3 5.

  • Page 126

    41356901th rev.2 126 / table 8-1 lower base unit (1/2) no. Name/rating part no. Use remarks oda part no. Hopping roller shaft bearing hopping roller one-way clutch gear roller registration bearing (registration) roller-transfer assy bearing tr roller back-up spring bias holder bu reset lever l reset...

  • Page 127

    41356901th rev.2 127 / no. Name/rating part no. Use remarks oda part no. Gear-reduction fg plate (o.P.) hopping roller rubber diselectritication film led contact washer c washer b spacer-bearing r spacer-bearing l bias spring a sensor wire assembly roller-pressure holder-regist l holder-regist r gea...

  • Page 128

    41356901th rev.2 128 / figure 8-2 upper cover unit 1.

  • Page 129

    41356901th rev.2 129 / table 8-2 upper cover unit no. Name/rating part no. Use remarks oda part no. Cover-upper 1 1 40715101.

  • Page 130

    41356901th rev.2 130 / figure 8-3 base unit 16 17 29 9 18 6 13 20 21 27 19 22 24 1 4 15 28 20 21 5 7 11 23 10 8 19 22 25 26 12 31 2 3 30 30 31.

  • Page 131

    41356901th rev.2 131 / table 8-3 base unit no. Name/rating part no. Use remarks oda part 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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 1 1 1 1 1 1 2 2 2 1 1 120v 230v 120v 220~240v oda/oel/int 120v l=91.5...

  • Page 132

    41356901th rev.2 132 / appendix a rs-232c serial interface (option) 1) connector • printer side : 25-pin receptacle type db-25s (made by canon) or equivalent • cable side : 25-pin plug type db-25s (made by canon) shell type db-c8-j10-f2-1 (made by nihon kouku denshi) or equivalent note: plug shall b...

  • Page 133

    41356901th rev.2 133 / 4) signal level • mark polarity : -3v to -15v (logic = 1) • space polarity : +3v to +15v (logic = 0) 5) interface circuit a) receiving circuit 75188 or equivalent input output +3v -3v +9v -9v output 45 ns 55 ns 75188 or equivalent input output +3v -3v input +12v -12v b) sendin...

  • Page 134

    41356901th rev.2 134 / "rs232c serial" is displayed on the lcd. Press the enter key. Ready ready rs232c serial flow ctl contents ready off-line xxx item flow ctl contents of display function dtr hi dtr lo xonxoff rbstxon space-ready mark-ready sending at intervals of 1 sec. Factory setting: dtr hi t...

  • Page 135

    41356901th rev.2 135 / ready item baud rate contents of display function 300 600 1200 2400 4800 9600 19200 factory setting: 9600 baud press the menu key. Ready press the menu key. Ready press the menu key. 300 baud 600 baud 1200 baud 2400 baud 4800 baud 9600 baud 19200 baud item bit length contents ...

  • Page 136

    41356901th rev.2 136 / ready press the menu key. Ready press the on line key. Item minimum busy time contents of display function 200 m sec 1 sec factory setting: 200 m sec 200 ms 1 sec (1000 ms) setting completed. On-line xxx (pcl only) xxx : pcl, auto, hex dump, prr or fx min . Busy contents.

  • Page 137

    41356901th rev.2 137 / appendix b centronics parallel interface 1) connector • printer side : 36-pin receptacle (single port) type 57re-40360-730b-d29a (made by daiichi denshi), cn- ax05841a36at (made by ougat) or equivalent • cable side : 36-pin plug type 57-30360 (made by daiichi denshi) or equiva...

  • Page 138

    41356901th rev.2 138 / 3) table of parallel i/f signals • connector pin arrangement pin no. Signal name signal direction functions 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 18 19 30 31 32 33 34 35 36 data strobe data bit - 1 data bit - 2 data bit - 3 data bit - 4 data bit - 5 data bit - 6 data bit - 7 dat...

  • Page 139

    41356901th rev.2 139 / 4) signal level • low : 0 v to +0.8 v • high : +2.4 v to 5.0 v 5) specifications item description mode data bit length input prime receive buffer control compatibility mode, nibble mode, ecp mode 8 bits (in the compatibility mode) valid/invalid 8k, 20k, 50k, 100k, 1m bytes han...

  • Page 140

    41356901th rev.2 140 / b) on-line → off-line switching timing by on-line sw c) off-line → on-line switching timing by on-line sw d) input prime timing (when set to the effective input prime signal) on-line sw busy 100 ms max. Select select acknowledge on-line sw busy 0 min. 100 ms max. 0.5 µ s to 10...

  • Page 141

    41356901th rev.2 141 / "parallel i/f" is displayed on the lcd. Press the enter key. Ready parallel i/f ready off-line xxx the following settings are possible by pressing the enter key, after selecting the display contents of the lcd of the operator panel by using the and keys. Settings are retained ...

  • Page 142

    41356901th rev.2 142 / ready press the on line key. Setting completed. On-line xxx ready item i-prime contents of display function off on i-prime signal ignored i-prime signal effective factory setting: off press the menu key. Press the menu key. Ready item direction of data transfer contents of dis...

  • Page 143

    41356901th rev.2 143 / appendix c universal serial bus (usb) universal serial bus specification revision 1.1 compliance. 1) connector • printer side : “b” receptacle (upstream input to the usb device) • cable side : series “b” plug 2) cable • cable length : max 5m (a cable must be met usb spec rev 1...

  • Page 144

    41356901th rev.2 144 / 8) signal level • input / output level note: the width of eop is defined in bit times relative to the device type receiving the eop. The bit time is approximate. Differential "1" differential "0" single-ended 0 (se0) data j state: low-speed full-speed data k state: low-speed f...

  • Page 145

    41356901th rev.2 145 / 9) timing chart a) packet voltage levels b) disconnect detection d+ / d- d- / d+ device connected disconnect detected ≥ 2.5 µ s vihz (min) vil vss d+ d- d- / d+ device connected connect detected ≥ 2.5 µ s vih vss c) full-speed device connect detection voh (min) vih (min) vil (...

  • Page 146

    41356901th rev.2 146 / tperiod txdeop = -2ns~5ns source eop width: tfeopt (160ns~175ns) receiver eop width: tfeopr (80ns~) crossover points crossover point extended differential data lines diff. Data-to- se0 skew n * tperiod + txdeop tperiod txjr txjr1 txjr2 differential data lines consecutive trans...

  • Page 147

    41356901th rev.2 147 / appendix d loop test (rs-232c interface) 1) connect the test connector 2) select "loop test" in the system maintenance mode. The codes transmitted from the td signals are comparatively checked with the data received from the rd signals. If any error occurs, the error message i...

  • Page 148

    41356901th rev.2 148 / appendix e diagnostics test 1. Maintenance modes • the maintenance modes consist of the user maintenance mode which are released to the user, and the system and engine maintenance modes in the maintenance personnel level not released to the user. • press the menu key to update...

  • Page 149

    41356901th rev.2 149 / (5) operator panel menu disable • this function is for enabling and disabling the operation panel menu functions (menu 1, menu 2, tray select, copies and paper size). (6) receive buffer area size (7) ecp receive disable (8) designated for 2nd tray command for pcl5 emulation is...

  • Page 150

    41356901th rev.2 150 / op menu disable drum cnt reset'ng x adjust +0.25mm on-line hex dump on-line xxx user mnt hex dump drum cnt reset op menu enable * x adjust 0mm * lcd display press the menu key. Press the menu key. Press the menu key. Rec buf ecp enable * ecp disable press the menu key. Press t...

  • Page 151

    41356901th rev.2 151 / 1.2 system maintenance mode • to enter the system maintenance mode, turn the power on while keeping the recover key pressed down. • this mode adopts the menu for function selection. • the system maintenance mode provides the following functions: (1) page count display • the to...

  • Page 152

    41356901th rev.2 152 / (6) sidm emulation disable (7) dram memory test (8) system maintenance mode menu system 1.3 engine maintenance mode press the or key. Eeprom reset'ng looptest nnnnnn cont prt canceled sys mnt page prt disable * cont prt looptest eeprom reset lcd display press the menu key. Pre...

  • Page 153

    41356901th rev.2 153 / • the engine maintenance mode is activated when the power is turned on while keeping the form feed key and enter key pressed down. • this mode adopts the menu for function selection. • the method for exit from this mode depends on the setting. • the engine maintenance mode pro...

  • Page 154

    41356901th rev.2 154 / eng mnt lcd display -16 -15 . 0 * . +14 +15 printpos 0 mm * drum cnt t nnnnnn drum cnt nnnnnn press the menu key. Press the menu key. Press the menu key. Led head 0 press the menu key. 0 mm * + 0.5 mm . + 3.5 mm - 4.0 mm . - 0.5 mm press the or key. Press the or key. Press the...

  • Page 155

    41356901th rev.2 155 / press the or key. Press the or key. Engine reset'ng t2 tbl no. 3 * ef pos 0 mm* ef tbl no. 3 * engine reset press the menu key. Press the menu key. Press the menu key. Press the enter key. On-line xxx upon completion of processing press the menu key. No. 1 no. 2 no. 3 * do not...

  • Page 156

    41356901th rev.2 156 / destination keys to be depressed oda menu oel menu int a (a4) (australia, etc.) menu, paper size int l (letter) (singapore, etc.) menu, tray type 1.4 user factory set operation the desired destination can be set by turning the power on while depressing two keys corresponding t...

  • Page 157

    41356901th rev.2 157 / appendix f multi purpose feeder maintenance 1. Outline 1.1 functions this multi-purpose feeder is installed on the front section of the printer, and it supplies paper automatically through the operation of pulse motor, which is driven by signals sent from the printer. The main...

  • Page 158

    41356901th rev.2 158 / 2. Mechanism description 2.1 general mechanism the multi-purpose feeder feeds the envelopes and paper into the printer by receiving the signal from the printer, which drives the pulse motor inside the multi-purpose feeder, and this motion is transmitted to rotate roller-a and ...

  • Page 159

    41356901th rev.2 159 / 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. 3.1...

  • Page 160

    41356901th rev.2 160 / [service tools] table 3-1 shows the tools required for the replacement of printed circuit boards, assemblies and units in the field. Table 3-1 service tools no. Service tools q'ty application remarks no. 1-100 philips screwdriver no. 2-100 philips screwdriver no. 3-100 screwdr...

  • Page 161

    41356901th rev.2 161 / 3.2 parts layout this section describes the layout of the main components. Figure 3-1 upper frame pulse motor olev-11-pcb separator roller-b roller-a link.

  • Page 162

    41356901th rev.2 162 / 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassembly order diagram below. Multi-purpose feeder link (3.3.1) separator (3.3.2) olev-11-pcb (3.3.3) pulse motor (3.3.4) planet gear (3.3.5) roller-a (3.3.6).

  • Page 163

    41356901th rev.2 163 / 3.3.1 link (1) open paper feed cover 1 , and disengage the paper feed cover 1 and link 3 , while lifting the paper hold 2 . (2) remove the paper hold 2 off the arm 4 . (3) disengage the link 3 from the arm 4 , and remove it. * be careful not to deform the link and arm. 1 3 2 4.

  • Page 164

    41356901th rev.2 164 / 3.3.2 separator (1) turn the power switch off “o” and remove the connector cable. (2) disengage the link and paper feeder cover (see 3.3.1). (3) remove 2 screws 1 , disengage the locks at 2 locations on the upper frame 2 with a screwdriver, and remove the upper frame 2 . (4) r...

  • Page 165

    41356901th rev.2 165 / 3.3.3 olev-11-pcb (1) remove the upper frame [ see 3.3.2 steps (1) through (3) ]. (2) remove the connector 1 . (3) remove 2 screws 2 , and remove the olev-11 pcb 3 . When reinstalling the printed circuit board, be careful to make sure that the sensor plate is being set correct...

  • Page 166

    41356901th rev.2 166 / 3.3.4 pulse motor (1) remove the upper frame [ see 3.3.2 steps (1) through (3) ]. (2) remove the olev-11-pcb (see 3.3.3). (3) remove 2 screws 1 , and remove the pulse motor 2 . 2 1.

  • Page 167

    41356901th rev.2 167 / 3.3.5 planet gear (1) remove the upper frame [ see 3.3.2 steps (1) through (3) ]. (2) remove the olev-11-pcb (see 3.3.3). (3) remove 2 screws 1 , and remove the motor bracket assembly 2 and planet gear 3 . 3 2 1.

  • Page 168

    41356901th rev.2 168 / 3.3.6 roller-a and b while only the removal procedure for roller-a is described here, the removal procedure for roller-b is basically same. When removing roller-b, however, be careful not to deform the sensor plate. (1) remove the upper frame [ see 3.3.2 steps (1) through (3) ...

  • Page 169

    41356901th rev.2 169 / 4. Troubleshooting 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the printer handbook. (2) obtain detailed information concerning the problem from the user. (3) go through checking in the conditions similar to that in which th...

  • Page 170

    41356901th rev.2 170 / 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. Problem occurs problem displayed by the lcd message troubleshooting according to the lcd status message list (see 4.3.1) carry out detailed troubleshooting ac...

  • Page 171

    41356901th rev.2 171 / • ( jam error ) paper inlet jam • does paper jam at the inlet when the power is turned on? • yes is the paper located above the sensor plate (inlet)? • yes remove the paper. • no is the sensor plate (inlet) operating normally? • no replace the sensor plate (inlet). • yes repla...

  • Page 172

    41356901th rev.2 172 / 5. Connection diagram 5.1 interconnection diagram olev - 11-pcb cn3 m pulse motor cn2 to the printer or high capacity second paper feeder 2 m-t3 1 m-t4 4 m-t1 3 m-t2 optpsin-n optsclk-n optsd-p optsdr-n ovp + 30v ovl + 5v-p fg fg 1 2 3 4 5 6 7 8 9 10

  • Page 173

    41356901th rev.2 173 / 5.2 pcb layout olev-11-pcb cn3 cn2 sen2.

  • Page 174

    41356901th rev.2 174 / 6. Parts list figure 6-1 multi-purpose feeder 9 5 7 6 4 1 2 3 8.

  • Page 175

    41356901th rev.2 175 / table 6-1 multi-purpose feeder no. Description oki-j part no. Q'ty remark oda part no. Roller-a roller-b planet gear link separator pulse motor olev-11-pcb connector cable separator assy 1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 same as printer unit. For oda for oel/int 3pb4083-55...

  • Page 176

    41356901th rev.2 176 / appendix g high capacity second paper feeder 1. Outline 1.1 functions the printer is mounted on top of this high capacity second paper feeder. The high capacity second paper feeder supplies paper automatically through the operation of pulse motor (hopping), which is driven by ...

  • Page 177

    41356901th rev.2 177 / 2. Mechanism description 2.1 general mechanism the high capacity second paper feeder feeds the paper into the printer by receiving the signal from the printer, which drives the pulse motor inside the high capacity second paper feeder, and this motion is transmitted to rotate t...

  • Page 178

    41356901th rev.2 178 / 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. 3.1...

  • Page 179

    41356901th rev.2 179 / [service tools] table 3-1 shows the tools required for the replacement of printed circuit boards, assemblies and units in the field. Table 3-1 service tools no. Service tools q'ty application remarks no. 1-100 philips screwdriver no. 2-100 philips screwdriver no. 3-100 screwdr...

  • Page 180

    41356901th rev.2 180 / 3.2 parts layout this section describes the layout of the main components. Figure 3-1 guide r (2nd) assy (includes stepping motor and tqsb-2 pcb) stepping motor guide l (2nd) assy hopping frame assy one-way clutch gear hopping roller assy upper plate cassette assy.

  • Page 181

    41356901th rev.2 181 / 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassembly order diagram below. High capacity paper feeder stepping motor (hopping) (3.3.1) tqsb-2 pcb (3.3.2) hopping roller shaft assy and one-way clutch gear...

  • Page 182

    41356901th rev.2 182 / 3.3.1 stepping motor (hopping) (1) turn the printer power switch off, pull out the ac cord from the outlet. Remove the printer off high capacity second paper feeder. (2) take the paper cassette assy 1 out of high capacity second paper feeder. (3) remove six screws 2 and remove...

  • Page 183

    41356901th rev.2 183 / (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 gears f and pl...

  • Page 184

    41356901th rev.2 184 / 3.3.2 tqsb-2 pcb (1) remove the pulse motor (see 3.3.1). (2) remove the connector o from the tqsb-2 pcb p . (3) remove the screw q and remove the tqsb-2 pcb p . Note : refer to detall a in the previous page. 3.3.3 hopping roller shaft assy and one-way clutch gear (1) follow up...

  • Page 185

    41356901th rev.2 185 / 4. Troubleshooting 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the printer handbook. (2) obtain detailed information concerning the problem from the user. (3) go through checking in the conditions similar to that in which th...

  • Page 186

    41356901th rev.2 186 / 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. 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 proble...

  • Page 187

    41356901th rev.2 187 / • ( jam error ) paper inlet jam • does paper jam at the inlet when the power is turned on? • yes is the paper located above the sensor plate (inlet)? • yes remove the paper. • no is the sensor plate (inlet) operating normally? • no replace the sensor plate (inlet). • yes repla...

  • Page 188

    41356901th rev.2 188 / tqsb-2 pcb "motor" m stepping motor 2 m-t3 1 m-t4 4 m-t1 3 m-t2 "pu" to printer 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 189

    41356901th rev.2 189 / 5.2 pcb layout tqsb-2 pcb controller motor driver sen2 sen1 osc pu motor.

  • Page 190

    41356901th rev.2 190 / figure 6-1 high capacity second paper feeder 1 2 4 3 5 6. Parts list.

  • Page 191

    41356901th rev.2 191 / table 6-1 high capacity paper feeder no. Description oki-j part no. Q'ty remark hopping roller shaft assy one-way clutch gear stepping motor tqsb-2 pcb cassette assy (2nd tray) 1 2 3 4 5 1 1 1 1 1 3pa4122-1367g001 4pb4122-1382p001 3pb4122-1399p001 4ya4046-1651g002 1pa4122-1362...

  • Page 192

    41356901th rev.2 192 / 2nd tray assembly section1 cabinet & cassette assembly section1 cabinet & cassette assembly section2 mechanical assembly.

  • Page 193

    41356901th rev.2 193 / section1 cabinet & cassette assembly 8 1 2 3 4 5 6 7 iv iv i i.

  • Page 194

    41356901th rev.2 194 / section2 mechanical assembly 21 9 11 10 12 13 23 22 14 24 iii ii 15 16 17 19 18 20 a a b b 26 25.

  • Page 195

    41356901th rev.2 195 / table 6-2 2nd tray parts list no. Description oki parts no. Q'ty/u plate, upper sheet guide assembly front cover assembly inner guide assembly cassette assembly (2nd tray) separation frame assembly cover, rear stick finger hopping flame assembly bush, metal (adf) gear (z70) le...

  • Page 196

    41356901th rev.2 196 / 196 addition of notch addition of groove cassette addition of projection part addition of latch tale guide *** for the rev. No. Of the parts list for the cassette assembly (2nd tray) should be applied no.10. The no.10 includes a change of cassette and tale guide. Note : casset...