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Oki OKIPAGE 14e Service Manual

Other manuals for OKIPAGE 14e: Brochure & Specs, Setup Manual, Technical Reference

Summary of OKIPAGE 14e

  • Page 1

    Thank you for purchasing this factory service manual on ebay from pctechinfo! Click here for more factory service manuals for other computer and printer / copier manufacturers from pctechinfo!.

  • Page 2

    41605601th rev.2 1 / 182 okipage 14e led page printer service manual oda based on: 2001-03-19 rev.2.

  • Page 3

    41605601th rev.2 2 / rev.No. Date no. Corrected items page description of change person in charge document revision history 1 2000-12-08 issue odc miyashita 2 2001-03-19 np39 h ono 3 06-15-2001 oda revision oda training.

  • Page 4: Preface

    41605601th rev.2 3 / preface this maintenance manual describes the field maintenance methods for okipage 14e led page printers. This manual is written for use by the maintenance personnel. Please note that you should refer to the printer handbook and printer setup for the handling and operating meth...

  • Page 5: Contents

    41605601th rev.2 4 / contents 1. Configuration ............................................................................................... 7 1.1 system configuration ................................................................................... 7 1.2 printer configuration .....................

  • Page 6

    41605601th rev.2 5 / 4.1.2 engine maintenance utility ...................................................................................... 71 4.2 adjustment when replacing a part ............................................................ 72 4.2.1 setting of led head drive time .....................

  • Page 7

    41605601th rev.2 6 / 2. Mechanism description .................................................................... 146 2.1 general mechanism .................................................................................................. 146 2.2 hopper mechanism ......................................

  • Page 8

    41605601th rev.2 7 / 1. Configuration 1.1 system configuration okipage 14e 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. Figure 1-1 high voltage unit and sensor board electrophotographic pr...

  • Page 9

    41605601th rev.2 8 / 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

    41605601th rev.2 9 / (3) expansion board 1.3 optional configuration the options shown below are available for use with okipage 14e. These are available separately from the printer unit. (1) high capacity second paper feeder (2) multi purpose feeder.

  • Page 11

    41605601th rev.2 10 / (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

    41605601th rev.2 11 / 1.4 specification (1) type desktop (2) external dimensions height 7.9” (200 mm) width 13.0” (330 mm) depth 15.6” (395 mm) (3) weight approx. 19.85 lbs. (4) developing method dry electrophotography exposing method led stationary head (5) paper used • standard paper – xerox 4200 ...

  • Page 13

    41605601th rev.2 12 / (10) power input 120 v + 6%, –15% 230 vac ± 10% (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 ...

  • Page 14

    41605601th rev.2 13 / 1.5 safety standards 1.5.1 certification label the safety certification label is affixed to the printer in the position shown 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 durin...

  • Page 15

    41605601th rev.2 14 / 1.5.3 warning/caution marking the following warning and caution markings are made on the power supply/sensor board. English heat sink and transformer core present risk of electric shock. Test before touching. French le dissipateur thermique et le noyau du transformateur présent...

  • Page 16

    41605601th rev.2 15 / 2. Operation description okipage 14e consists of a main control board, a power supply/sensor board, an operator panel, an electrophotographic process mechanism, and controls for the illumination of the led head. The main control board receives data via the host i/f, it then dec...

  • Page 17

    41605601th rev.2 16 / figure 2-1 okipage 14e 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 voltage unit data bus (32bit) eeprom 74ls07 ml60851 inlet sensor 1 inlet s...

  • Page 18

    41605601th rev.2 17 / 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

    41605601th rev.2 18 / 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

    41605601th rev.2 19 / 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

    41605601th rev.2 20 / 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

    41605601th rev.2 21 / (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 23

    41605601th rev.2 22 / 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 24

    41605601th rev.2 23 / 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 25

    41605601th rev.2 24 / 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 26

    41605601th rev.2 25 / 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 27

    41605601th rev.2 26 / (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 28

    41605601th rev.2 27 / (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 29

    41605601th rev.2 28 / (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 30

    41605601th rev.2 29 / 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 31

    41605601th rev.2 30 / (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 32

    41605601th rev.2 31 / 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 33

    41605601th rev.2 32 / (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 34

    41605601th rev.2 33 / (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 35

    41605601th rev.2 34 / (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 36

    41605601th rev.2 35 / 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 37

    41605601th rev.2 36 / 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 2.835 .7874 5.531 depends on the p...

  • Page 38

    41605601th rev.2 37 / 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 39

    41605601th rev.2 38 / 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 grooved portion in the stirring gear. • operatio...

  • Page 40

    41605601th rev.2 39 / toner full state toner low state • when the toner low state is detected 2 times consecutively, toner low is established. • when the toner full state is detected 2 times consecutively, toner low is cancelled. • when there is no change with the toner sensor for 2 cycles (1.7564 s...

  • Page 41

    41605601th rev.2 40 / 3. Parts replacement this 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 starti...

  • Page 42

    41605601th rev.2 41 / [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 43

    41605601th rev.2 42 / 3.2 parts layout this section explains the layout of main components of the equipment. [lower base unit] pulse motor (main/drum) pulse motor (registration) registration roller assy spacer bearing r spacer bearing l back-up roller eject roller assy stacker cover assy diselectrif...

  • Page 44

    41605601th rev.2 43 / [upper cover unit] figure 3-2 upper cover.

  • Page 45

    41605601th rev.2 44 / [base unit] cassette guide(l) assy paper cassette cassette guide (r) assy dc fan assy face up stacker assy operator panel assy power supply/ sensor board (low voltage) high voltage unit / sensor board main control board d d c c b a b a figure 3-3.

  • Page 46

    41605601th rev.2 45 / 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 47

    41605601th rev.2 46 / 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 48

    41605601th rev.2 47 / 3.3.2 ic card cover (1) open the ic card cover 1 , press it from both sides at the hinges in the directions of arrows shown below and remove it. 1.

  • Page 49

    41605601th rev.2 48 / 3.3.3 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 50

    41605601th rev.2 49 / 3.3.4 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 51

    41605601th rev.2 50 / 3.3.5 lower base unit (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the connecting cables 2 and 3 of the pulse motors from the connectors (dm, rm) of the m7g-pcb 1 . (5) r...

  • Page 52

    41605601th rev.2 51 / 3.3.6 pulse motor (main/drum) (1) remove the upper cover assy (see 3.3.1). (2) remove the lower base unit (see 3.3.5). (3) remove two screws 1 and remove the pulse motor (main/drum) 2 from the motor bracket 3 . View a 2 1 1 3 view a.

  • Page 53

    41605601th rev.2 52 / 3.3.7 pulse motor (registration) (1) remove the upper cover assy (see 3.3.1). (2) remove the lower base unit (see 3.3.5). (3) remove two screws 1 and remove the pluse motor (registration) 2 from the motor bracket 3 . 2 1 1 view a 3 view a.

  • Page 54

    41605601th rev.2 53 / 3.3.8 face up stacker assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the screw 1 and remove the sumi card (operator panel cable) 2 off the latch section of face up stacker 4 . Remove both the shield plate 3 and face ...

  • Page 55

    41605601th rev.2 54 / 3.3.9 eject roller assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) disengage the eject roller assy 1 from the lower base 2 by press...

  • Page 56

    41605601th rev.2 55 / 3.3.10 motor assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) stand the lower base unit on its side as shown, and unlock two latches...

  • Page 57

    41605601th rev.2 56 / 3.3.11 hopping roller shaft assy (1) remove the upper cover (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) remove the motor assy (see 3.3.10). (6) with the lower base ...

  • Page 58

    41605601th rev.2 57 / 3.3.12 stacker cover assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the reset lever r 1 . (5) detach the reset spring 2 from the lower base unit 3 , turn the reset lev...

  • Page 59

    41605601th rev.2 58 / 3.3.13 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 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) remove the motor assy (see 3.3.10). (6) with the lower base unit s...

  • Page 60

    41605601th rev.2 59 / 3.3.14 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 61

    41605601th rev.2 60 / 3.3.15 fusing unit (1) remove the upper cover (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) remove the stacker cover assy (see 3.3.12). (6) remove four screws 1 , lif...

  • Page 62

    41605601th rev.2 61 / 3.3.16 back-up roller (1) remove the fusing unit assy (see 3.3.15). (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 63

    41605601th rev.2 62 / 3.3.17 sensor plate (inlet) (1) remove the upper cover (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) press the clamps of three sensor plates (inlet and paper) 1 , and...

  • Page 64

    41605601th rev.2 63 / 3.3.18 sensor plate (outlet), sensor wire assy (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the eject roller assy (see 3.3.9). (4) remove the face up stacker assy (see 3.3.8). (5) remove the lower base unit (see 3.3.5)....

  • Page 65

    41605601th rev.2 64 / 3.3.19 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 66

    41605601th rev.2 65 / 3.3.20 sensor plate (paper supply) (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) press the clamps of the sensor plate (paper supply) 1...

  • Page 67

    41605601th rev.2 66 / 3.3.21 m7g-pcb (1) remove the upper cover assy (see 3.3.1). (2) remove the operator panel assy (see 3.3.4). (3) remove the face up stacker assy (see 3.3.8). (4) remove the lower base unit (see 3.3.5). (5) remove the connector (2ndtray) 6 . (6) remove three screws 1 . (7) move t...

  • Page 68

    41605601th rev.2 67 / view a view a 5 5 7 1 5 5 8 6 5 3 9 4 2 3.3.22 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 3.3.5). (3) remove the m7g-pcb (see 3.3.21). (4) remove the ac inlet 1 from the base pla...

  • Page 69

    41605601th rev.2 68 / 3.3.23 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 3.3.5). (4) remove the m7g-pcb (see 3.3.21). (5) remove the power supply/sensor board (see 3.3.22). (6) remove two screws 1 , and remove ...

  • Page 70

    41605601th rev.2 69 / 7 9 8 3 5 6 4 a 0 1 2 1 3.3.24 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 3.3.5). (4) remove the m7g-pcb (see 3.3.21). (5) remove two screws 1 , and remove the guide rails 2 . (6) remove ...

  • Page 71

    41605601th rev.2 70 / spacer bearing l spacer bearing r 3.3.25 spacer bearing (l/r) (1) remove the back-up roller (see 3.3.16). (2) remove spacer bearing (l/r) with a tip of screw driver..

  • Page 72

    41605601th rev.2 71 / 4. Adjustment this chapter explains adjustment necessary when a part is replaced. This adjustment is made by changing the parameter values set in eeprom on the main control board. The status monitor or maintenance utility can be used to change these values. Only service and mai...

  • Page 73

    41605601th rev.2 72 / 4.2 adjustment when replacing a part the table below lists the parts that requires adjustment when they are replaced. 4.2.1 setting of led head drive time caution: when the luminous intensity of a new led head is the same as that of the old led head, do not set the led head dri...

  • Page 74

    41605601th rev.2 73 / 4.2.2 uploading and downloading eeprom data when the main control board is replaced, eeprom data must be reflected on a new main control board. Use “eeprom operations” in the option tab of the maintenance utility to reflect eeprom data on the new main control board. Reflect eep...

  • Page 75

    41605601th rev.2 74 / 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 76

    41605601th rev.2 75 / (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 77

    41605601th rev.2 76 / 6. Troubleshooting procedures 6.1 troubleshooting tips (1) check the basic check points written in the user’s manual. (2) gather detailed failure information as much as possible from the customer. (3) check the printer under the condition close to that under which the failure o...

  • Page 78

    41605601th rev.2 77 / led functions status error (amber) ready (green) remark manual feed (amber) flash 1: slow blinking flash 2: blinking flash 3: fast blinking ready during suspending data pro- cessing (in off-line) (data is left in the buffer) during receiving data or pro- cessing data manual req...

  • Page 79

    41605601th rev.2 78 / 6.5 troubleshooting if a trouble occurs in the printer, troubleshoot according to the following procedures: 6.5.1 status monitor message list table 6-1 lists the statuses and troubles to be displayed on the status monitor in the message format. Trouble trouble indicated by the ...

  • Page 80

    Code category status message display content remedy 41605601th rev.1 79 / table 6-1 warming-up status online (ready) status power save status the toner amount of the toner cartridge is small. The i/d unit is not installed or the toner sensor is faulty. Life of i/d drum the paper is in the manual fee...

  • Page 81

    Code category status message display content remedy 41605601th rev.1 80 / table 6-1 (cont'd) paper of improper size was fed. 2.52" (64 mm) l 15.77" (400.56 mm) a paper jam occurred when sheets of paper were being supplied. A paper jam occurred during paper feeding. A paper jam occurred during paper ...

  • Page 82

    41605601th rev.2 81 / table 6-1 (cont'd) category status message display content remedy device configuration error code an error occurred during option ram check. A heater timeout error occurred. The thermistor is open. A thermistor short occurred. A watchdog timeout occurred. A motor timeout occurr...

  • Page 83

    41605601th rev.2 82 / 6.5.2 status message troubleshooting if the problems cannot be corrected by using the status message/problem list, follow the troubleshoot- ing 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. Ja...

  • Page 84

    41605601th rev.2 83 / 1 the printer does not work normally after the power is turned on. • turn the power off, then back on. • is the power led ( ) lamp on? • no is the ac cord being connected properly? • no connect the ac cord properly. • yes is +5 v being applied between pins 11 and 21 of power co...

  • Page 85

    41605601th rev.2 84 / [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 86

    41605601th rev.2 85 / [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 87

    41605601th rev.2 86 / [jam error] 2 -3 paper exit jam • does the paper exit jam error occur when the power is turned on? • yes is the paper on the outlet sensor plate? • yes remove the paper. • no in the operation of the outlet sensor plate normal (moves freely when it is touched)? • no replace the ...

  • Page 88

    41605601th rev.2 87 / 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 89

    41605601th rev.2 88 / 4 fusing unit error status message : thermister open error : thermister short check error : fuser error • 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 ,...

  • Page 90

    41605601th rev.2 89 / 5 synchronous serial i/o error (status message : ssio error) or i/f timeout be- tween printer and optional tray (status message : tray2 timeout error or feeder timeout error) • is an option tray (high capacity second paper feeder or power envelope feeder) being used? • yes is t...

  • Page 91

    41605601th rev.2 90 / 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 92

    41605601th rev.2 91 / 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 i...

  • Page 93

    41605601th rev.2 92 / 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 of...

  • Page 94

    41605601th rev.2 93 / 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, reset the drum c...

  • Page 95

    41605601th rev.2 94 / 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 tr...

  • Page 96

    41605601th rev.2 95 / 7 poor fusing (images are blurred or peels off when the printed characters and images 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 surface ...

  • Page 97

    41605601th rev.2 96 / 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 su...

  • Page 98

    41605601th rev.2 97 / figure 6-4 hea ter ac hea te r a c char ge r oll er groun d (d rum) cleani ng ro lle r deve lo ping ro ller tone rsup pl y r ol le r the rm istor the rm is to r contacts g f e d f g h c b a sub-change roller.

  • Page 99

    41605601th rev.2 98 / figure 6-5 contact plate for transfer roller contact sub-charge roller contact high voltage power supply /sensor board low voltage power supply.

  • Page 100

    41605601th rev.2 99 / 7. Wiring diagram 7.1 interconnect signal diagram ovp ovp ovp hvon-n 30v ovl 5v 5v ovl wrsns-n psin1-n sclk sqcr-n cbisel 12v nc heat-n 30v ovl 5v 5v dout din cvopn-n th-cmp dbsel option cent rm dm fan m rmph1-p rmph1-n rmph2-p rmph2-n registration motor 1 2 3 4 m dmph1-p dmph1...

  • Page 101

    41605601th rev.2 100 / 7.2 pcb layout and connector signal list (1) main control board (m7g-pcb) cent option option head1 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 50 1 100 51 18 36 1 19 36 19 18 1 50 99 100 49 1 2 51 52 led...

  • Page 102

    41605601th rev.2 101 / (2) power supply/sensor board cn2 cn3 cn4 cn1 sw1 f1 ps1 ps2 ps3 ps4 sw2 ps6 ps5.

  • Page 103

    41605601th rev.2 102 / • 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 104

    41605601th rev.2 103 / • 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-p coil 1-n 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 105

    41605601th rev.2 104 / • head1 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 c o o o o o o n/c o c c c c c signal description pin no. I/o* 13 11 9 7 5 3 1 * o: out c: common fg hdstb4-n hdstb3-n hdstb2-n hdstb1-n hddld-p hdclk-p hdd0-p 0vlogic 5v 5v 0vled 0...

  • Page 106

    41605601th rev.2 105 / • envelope connector pin assignment (to option feeder i/f) 8 7 4 6 1 2 3 4 5 6 7 8 o o o i c o c o signal description paperin-n optsclk-n data-n paperin-n ovp 38v 0v 5v paper sense 1 clock data opt send data ready analog groud +38v power supply logic gound +5v power supply pin...

  • Page 107

    41605601th rev.2 106 / • 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 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 a...

  • Page 108

    41605601th rev.2 107 / • cent connector pin assignment (to centro parallel i/f) i/o* c c c c c c c c c c c c i o c o i pin no. Description strobe data bit 0 data bit 1 data bit 2 data bit 3 data bit 4 data bit 5 data bit 6 data bit 7 acknowledge busy paper end select auto feed not connected ground +...

  • Page 109

    41605601th rev.2 108 / 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 • usb connector pin assignment (to usb i/f).

  • Page 110

    41605601th rev.2 109 / • option connector pin assignment (to option ram or rs232c board) pin no. Pin no. Signal a0 0v a1 a2 rsdtr0-n a3 a4 0v a5 a6 +5v a7 a8 0v a9 a10 +5v a11 a12 0v a13 a14 +5v a15 a16 0v a17 a18 +5v a19 a20 0v a21 a22 a23 0v 0v 0v rsrts0-n cs00n cs2-n cs3-n scrreq-p 0v scsreq-p io...

  • Page 111

    41605601th rev.2 110 / 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: 9.5 Ω between pins 3 and 4: 9.5 Ω between pins 1 and 2: 4.2 Ω between...

  • Page 112

    41605601th rev.2 111 / unit fan circuit diagram illustration resistance red black +30 v 1 fanalm-n 3 0 v 2 m.

  • Page 113

    41605601th rev.2 112 / 8. Parts list figure 8-1 lower base unit view a 42 26 35 25 view a 29 7 14 13 11 27 28 39 2 40 1 2 3 24 17 48 21, 22 19 45 43 60 10 9,47 8 44 10 46 20 41 12 a 16 15 3 33 38 34 31 32 9,47 23 61 52 55 4 53 57 6 54 56 51 55 56 60 59 49 58 18 50 a 37 36 5.

  • Page 114

    41605601th rev.2 113 / table 8-1 lower base unit (1/2) no. Name/rating part no. Use remarks 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 lever r cove...

  • Page 115

    41605601th rev.2 114 / no. Name/rating part no. Use remarks led contact washer c washer b spacer-bearing r spacer-bearing l bias spring a plate-contact pb plate-contact ch-sub sensor wire assembly roller-pressure holder-regist l holder-regist r gear-pressure bearing-pressure spring-tension plate-con...

  • Page 116

    41605601th rev.2 115 / figure 8-2 upper cover unit 1.

  • Page 117

    41605601th rev.2 116 / table 8-2 upper cover unit no. Name/rating part no. Use remarks upper cover assy 1 1 41618801.

  • Page 118

    41605601th rev.2 117 / figure 8-3 base unit 9 13 2 20 21 27 19 22 24 1 4 19 22 25 26 28 3 12 20 21 5 7 11 23 10 8 30 30 31 31 16 17 29 18 6 15 35,36,37 34 33.

  • Page 119

    41605601th rev.2 118 / table 8-3 base unit no. Name/rating part no. Use remarks 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 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 1 1 1 1 1 120v 230v 120v 220~240v oda/oel/int 120v l=9...

  • Page 120

    41605601th rev.2 119 / 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 121

    41605601th rev.2 120 / 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 122

    41605601th rev.2 121 / 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 123

    41605601th rev.2 122 / 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 124

    41605601th rev.2 123 / 4) signal level • low : 0 v to +0.8 v • high : +2.4 v to 5.0 v 5) specifications 6) timing charts a) data receiving timing 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 max. 0.5 µ s min. 0 min. 0 min. 0 min. 0.5 µ...

  • Page 125

    41605601th rev.2 124 / c) off-line → on-line switching timing by on-line sw d) input prime timing (when set to the effective input prime signal) select acknowledge on-line sw busy 0 min. 100 ms max. 0.5 µ s to 10 µ s input. Prime select acknowledge busy 0 min. 50 µ s min. 5 µ s max. 10 µ s max. 0.5 ...

  • Page 126

    41605601th rev.2 125 / 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 revis...

  • Page 127

    41605601th rev.2 126 / differential "1" differential "0" single-ended 0 (se0) data j state: low-speed full-speed data k state: low-speed full-speed idle state: low-speed full-speed resume state start-of-packet (sop) end-of-packet (eop) disconnect (at downstream port) connect (at downstream port) res...

  • Page 128

    41605601th rev.2 127 / 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 129

    41605601th rev.2 128 / 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 130

    41605601th rev.2 129 / appendix d maintenance utility gui manual 1. Overview this document provides detailed descriptions of the gui, a maintenance utility corresponding to the op14e printer. 1.1 system requirements os: japanese or english windows95/98 ram: japanese 12 mb or more/ english 8 mb or mo...

  • Page 131

    41605601th rev.2 130 / 3. Main set property sheet the following example shows the main menu dialog display. 3.1 printer status group the printer status is supervised, and displayed in real time. A number at the beginning of the line indicates a status code transmitted from the printer side. The foll...

  • Page 132

    41605601th rev.2 131 / printer status list (common to pjl and opel) 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 38 39 40 41 42 43 44 45 46 47 48 printer status lcd check (power on) initializing on-line (ready) off-line data exist power sa...

  • Page 133

    41605601th rev.2 132 / no. 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 printer status font rom check error resident ram check error eeprom check error option software rom check error option ram check error fan motor error fuser (heater) error thermistor open error t...

  • Page 134

    41605601th rev.2 133 / 3.2 led head marking no. An item to control the exposure time of led head. The meanings of set values in the led head marking no. The following table shows set values and their meanings. Led head marking no. Setting table 505-545 466-504 431-465 398-430 368-397 346-367 314-339...

  • Page 135

    41605601th rev.2 134 / 3.3 descriptions on buttons 3.3.1 printer ram check the printer ram check button is used for the raster buffer and receive buffer, including option ram, to check free memory space. The progress bar fluctuates in length during the execution of the ram check. The following messa...

  • Page 136

    41605601th rev.2 135 / 3.3.3 engine counter group the engine counter group displays and initializes the following counter values. Data to be initialized must be programmed in registry at the time of installation. (1) drum counter the number of revolutions of a currently-installed ep drum is indicate...

  • Page 137

    41605601th rev.2 136 / 4. Menu property sheet the following figure provides an example of the menu property sheet display. (1) set item display tree view displays setting item names and a list of currently set values. An item with [n/a] in its set value indicates that it is not supported. On that it...

  • Page 138

    41605601th rev.2 137 / 4.1 setting items (1) setting items the following menu items are displayed on menu from which settings are changed. Menu 1.System 2.Engine-1 3.Engine-2 words displayed user printer type page prt led head marking no. Head type strb time optical head print position setting led h...

  • Page 139

    41605601th rev.2 138 / (2) supported items lists by language 1-1 1-2 1-3 2-1 2-2 2-3 2-4 2-5 3-1 3-2 3-3 3-4 oda/oel/inta/intl oda disable/enable disable 600dpi: 155- ~ -020 300dpi: 505-545 ~ 066-069 no.17 type1/type2d2/type2d4 type2d4 0.54, 0.50, 0.46, 0.42 0.50 300-1w(non-correction)/300-2w(correc...

  • Page 140

    41605601th rev.2 139 / note: 1. The meanings of set values in the led head marking no. Differ according to which optical head is selected. The following table shows set values and their meanings. Led head marking no. Setting table 155- 145-154 136-144 127-135 119-126 111-118 104-110 097-103 091-096 ...

  • Page 141

    41605601th rev.2 140 / 5. Local print property sheet the following figure provides an example of the local print property sheet. (1) local print sends a local print command at the click of the button. Applicable models are as follows: 1 2 3 4 5 6 7 8 menu status print demonstration printer available...

  • Page 142

    41605601th rev.2 141 / (2) test file print opens a dialog box (windows api) for file selection and waits for a printing file to be entered by an operator. The selected file is sent as-is. A language-specific extension is supplied with each file. • prn for pjl language • hbp for opel language here is...

  • Page 143

    41605601th rev.2 142 / 6. Product set property sheet the following shows an example of the product set property sheet display. The sheet is only displayed and data on it cannot be changed in the field. (1) device id the device id of a printer is displayed. (2) usb id the id of an usb is set. (3) upl...

  • Page 144

    41605601th rev.2 143 / 7. About property sheet about property sheet shows maintenance utility and printer firmware information. (1) about (2) printer information description display oki page printer engine maintenance version number of this application description display f/w version engine version ...

  • Page 145

    41605601th rev.2 144 / 8. For invalid events 8.1 failed printer setting when printer setting has failed (eeprom write error), the error message is displayed: save data error! Xxxxxxxxx” (the message “xxxxxxxxx” vary by error section.) 8.2 ram check error when an error is detected during ram checking...

  • Page 146

    41605601th rev.2 145 / appendix e multi-purpose feeder 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 functions a...

  • Page 147

    41605601th rev.2 146 / 2. Mechanism description 2.1 general mechanism the multi-purpose feeder feeds 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 b. T...

  • Page 148

    41605601th rev.2 147 / 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 149

    41605601th rev.2 148 / [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 150

    41605601th rev.2 149 / 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 151

    41605601th rev.2 150 / 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 152

    41605601th rev.2 151 / 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 153

    41605601th rev.2 152 / 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 154

    41605601th rev.2 153 / 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 155

    41605601th rev.2 154 / 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 156

    41605601th rev.2 155 / 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 157

    41605601th rev.2 156 / 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 158

    41605601th rev.2 157 / 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 159

    41605601th rev.2 158 / 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. Problem occurs problem displayed on the status monitor troubleshooting according to the led status message list (see 4.3.1) carry out detailed troubleshooting...

  • Page 160

    41605601th rev.2 159 / • ( 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 161

    41605601th rev.2 160 / 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 5.2 pcb layout olev-11-pcb...

  • Page 162

    41605601th rev.2 161 / 6. Parts list figure 6-1 multi-purpose feeder 9 5 7 6 4 1 2 3 8.

  • Page 163

    41605601th rev.2 162 / table 6-1 multi-purpose feeder no. Description 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 53343801 5334390...

  • Page 164

    41605601th rev.2 163 / appendix f high capacity second paper feeder maintenance manual 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), ...

  • Page 165

    41605601th rev.2 164 / 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 166

    41605601th rev.2 165 / 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 167

    41605601th rev.2 166 / table 3-1 service tools [service tools] table 3-1 shows the tools required for the replacement of printed circuit boards, assemblies and units in the field. No. Service tools q’ty application remarks no. 1-100 philips screwdriver no. 2-100 philips screwdriver no. 3-100 screwdr...

  • Page 168

    41605601th rev.2 167 / 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 169

    41605601th rev.2 168 / 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 170

    41605601th rev.2 169 / 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 171

    41605601th rev.2 170 / (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 172

    41605601th rev.2 171 / 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 173

    41605601th rev.2 172 / 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 174

    41605601th rev.2 173 / 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. Problem occurs problem displayed on the status monitor troubleshooting according to the led status message list (see 4.3.1) carry out detailed troubleshooting...

  • Page 175

    41605601th rev.2 174 / • ( 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 176

    41605601th rev.2 175 / 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 controller motor driver sen2 sen1 osc pu motor 5.2 pcb layout tqsb-2 pcb.

  • Page 177

    41605601th rev.2 176 / figure 6-1 high capacity second paper feeder 1 2 4 3 5 6. Parts list.

  • Page 178

    41605601th rev.2 177 / 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 50409501 51401101 56512201 55078102 50107304.

  • Page 179

    41605601th rev.2 178 / 2nd tray assembly section1 cabinet & cassette assembly section1 cabinet & cassette assembly section2 mechanical assembly.

  • Page 180

    41605601th rev.2 179 / section1 cabinet & cassette assembly 8 1 2 3 4 iv 5 6 7 iv i i.

  • Page 181

    41605601th rev.2 180 / section2 mechanical assembly 21 9 11 12 13 23 22 14 24 iii ii 15 16 17 19 18 20 a a b b 10 26 25.

  • Page 182

    41605601th rev.2 181 / 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 183

    41605601th rev.2 182 / 182 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...