Oki 18n Service Manual

Manual is about: Oki Data Printer

Summary of 18n

  • 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: Oki Data

    Service guide okipage 18/18n chapter 0 introduction front cover oki data service guide okipage 18 and 18n adobe acrobat printable reference copy of the okidata service training manual. 01/26/2000 note: this adobe acrobat version of the okidata service training manual was built with the pictures rend...

  • Page 3

    Table of contents page service guide okipage 18/18n 0 introduction preface 1 1 configuration configuration 2 ....1.1 system configuration 3 ....1.2 printer configuration 4 ....1.3 optional configuration 5 ....1.4 specification 6 ....1.5 safety standards 7 ........1.5.1 certification label 8 ...........

  • Page 4

    Table of contents page ........3.3.18 led head 47 ........3.3.19 paper cassette, roller assy - feed, roller assy - hopping 48 ........3.3.20 frame assy - separation 49 ........3.3.21 transfer roller / tr gear / tr bearing 50 ........3.3.22 ep lock shaft 51 ........3.3.23 lever assy - out sensor 52 ....

  • Page 5

    Table of contents page ........(7) i/f time-out occurs between the printer and the operator panel (error 80) 91 ........(8) message cannot be received through the parallel interface 92 ........(9) message cannot be received through the serial interface 93 ........(10) data cannot be received through...

  • Page 6

    Table of contents page ........3.3.1 board-lex 133 ........3.3.2 connector (imsa-9714n-14a) 134 ........3.3.3 photo sensor 135 ........3.3.4 solenoid assy 136 ........3.3.5 motor 137 4.0 troubleshooting 138 ....4.1 precautions prior to the troubleshooting 139 ....4.2 preparations for the troubleshoo...

  • Page 7

    Table of contents page 1.0 outline 180 ....1.1 functions 181 ....1.2 external view and component names 182 2.0 mechanism description 183 ....2.1 general mechanism 184 ....2.2 hopper mechanism 185 3.0 parts replacement 186 ....3.1 precautions concerning parts replacement 187 ....3.2 parts layout 188 ...

  • Page 8

    Page: 1 service guide okipage 18/18n chapter 0 introduction preface this maintenance manual describes the field maintenance methods for okipage 18. This manual is written for use by maintenance personnel. Note, however, that the user should refer to the user's manual for methods of handling and oper...

  • Page 9

    Page: 2 service guide okipage 18/18n chapter 1 configuration configuration system configuration printer configuration optional configuration specification safety standards copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for ...

  • Page 10

    Page: 3 service guide okipage 18/18n chapter 1 configuration 1.1 system configuration the okipage 18 consists of control and engine blocks as the standard configuration (see figure 1-1). In addition, the following options are also available..

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    Figure 1-1.

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    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 13

    Page: 4 service guide okipage 18/18n chapter 1 configuration 1.2 printer configuration the printer unit consists of the following hardware components: electro-photographic processor l paper feeder l controller l operator panel l power supply unit l figure 1-2 is the configuration of the printer unit...

  • Page 14

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 16

    Page: 5 service guide okipage 18/18n chapter 1 configuration 1.3 optional configuration 1 multi feeder 2 second / third paper feeder 3 duplex unit (optional).

  • Page 17

    4 d-ram simm module (72 pin simm, 16 mb/32mb, edo simm type) (see 7.2 (1) for where to install). 5 flash rom module (72 pin simm, 4mb/8mb) (see 7.2 (1) for where to install). Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) f...

  • Page 18

    Page: 6 service guide okipage 18/18n chapter 1 configuration 1.4 specification (1) type: desktop (2) outside dimensions (excludes protruding portion) height: 13.0" (331 mm) width: 14.4" (366 mm) depth: 18.2" (462 mm) (3) weight 42 lbs. (19.0 kg) if installed duplex 47 lbs. (21.3 kg) (4) development ...

  • Page 19

    (8) paper delivery method face down/face up (9) resolution 600 dpi x 600 dpi (default) 600 x 1200 dots/inch (10) power input 120 vac +/-15% 230 vac +/-10% (11) power consumption peak: approx. 820w typical operation: approx. 350w idle: approx. 95w power save mode: approx. 25w (12) temperature and hum...

  • Page 20

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 21

    Page: 7 service guide okipage 18/18n chapter 1 configuration 1.5 safety standards 1.5.1 certification label 1.5.2 warning label copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Ok...

  • Page 22

    Page: 8 service guide okipage 18/18n chapter 1 configuration 1.5.1 certification label the safety certification label is affixed to th eprinter in the position below. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any u...

  • Page 23

    Page: 9 service guide okipage 18/18n chapter 1 configuration 1.5.2 warning label the warning label is affixed to the portion which may cause an injury to human body. Follow the instructions on warning labels during maintenance. Copyright 1998, okidata, division of oki america, inc. All rights reserv...

  • Page 24

    Page: 10 service guide okipage 18/18n chapter 2 operation description 2.0 operation description okipage 18 consists of a main control board, power supply unit (120v/230v), power supply unit (high voltage) and operator panel and an electro-photographic process mechanism. The control board receives da...

  • Page 26

    Figure 2-1 okipage 18 block diagram copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 27

    Page: 11 service guide okipage 18/18n chapter 2 operation description 2.1 main control board (board-fff) the main control board consists of a one-chip cpu, lsi, program/font rom's, dram's, eeprom, host interface circuit, and a mechanism driving circuit. (1) one-chip cpu the one-chip cpu is a custom ...

  • Page 28

    Memory area use memory capacity setting menu expansion ram system area working area used for the program fixed fixed raster buffer stores converted bit image data enable expandable receive buffer stores temporarily the data received from the host interface enable expandable page buffer adds print in...

  • Page 29

    This mode transmits 4-bit wide data from the printer to the host. In this mode, each 1-byte data is transferred in the form of two nibbles using error, busy, fault, and select signal leads. This mode can provide the bidirectional operation in combination with the compatibility mode. Ecp mode l this ...

  • Page 30

    Basic specification l - type: 72 pins standard simm (32 bits buss width) [note: edo simm type] - access time: 60ns, 70ns, 80ns, 100ns - capacity: 16 or 32 mb - parity: none (8) flash rom module pin layout l basic specification l - type: 72 pins simm (32 bits buss width) - access time: 90ns - capacit...

  • Page 31

    Page: 12 service guide okipage 18/18n chapter 2 operation description 2.2 power supply unit the power supply unit 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 th...

  • Page 32

    Sensor function sensing state inlet sensor detects the leading part of the paper and gives the supervision timing for switching from hopping operation to feeding operation. Supervises the paper running state and the paper size according to the paper reach time and running time. On: paper exists off:...

  • Page 33

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 34

    Page: 13 service guide okipage 18/18n chapter 2 operation description 2.3 electro-photographic process 2.3.1 electro-photographic process mechanism 2.3.2 electro-photographic process 2.3.3 process operation descriptions 2.3.4 revision of led head illumination copyright 1998, okidata, division of oki...

  • Page 35

    Page: 14 service guide okipage 18/18n chapter 2 operation description 2.3.1 electro-photographic process mechanism this mechanism prints image data from the control board on the paper by electro-photographic process. The figure 2-4 shows the layout of the electro-photographic process mechanism. (1) ...

  • Page 36

    This motor is a pulse motor of 72 steps/rotation that is two-phase excited by the signal from the control board and is the main motor of this mechanism. (4) clutch (for registration) switches the transfer of power to roller registration if necessary depending on the power motor-main and instructions...

  • Page 37

    Page: 15 service guide okipage 18/18n chapter 2 operation description 2.3.2 electro-photographic process the electro-photographic processing is outlined below. Figure 2-5 shows the electro-photographic printing process. 1 charging the surface of the image drum is uniformly charged with negative char...

  • Page 39

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 40

    Page: 16 service guide okipage 18/18n chapter 2 operation description 2.3.3 process operation descriptions (1) hopping hoppings from the first tray and the front feeder are effected by a single hopping motor in the mechanism shown below. Turning the hopping motor in direction a (cw) drives the 1st h...

  • Page 41

    (a) hopping from the 1st tray 1 hopping rotating the hopping motor in direction a (cw) drives the 1st hopping roller and the sub roller then pick up a sheet of paper in the 1st tray. The main motor is always driven in direction c (ccw) on printing. After the paper is fed approx. 30mm from the tray, ...

  • Page 42

    Roller idles freely by escaping the planet gear. 5 printing starts after the paper turns off the write sensor. (b) hopping from the front feeder 1 hopping the front feeder plate is normally locked at the lower position by the release lever activating the micro switch. The top of the ff cam which is ...

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    5 printing starts after the paper turns off the write sensor..

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    (2) feeding after finishing hopping, the pulse motor dedicated for driving the registration roller rotates to drive the registration roller. The registration roller advances the paper until it comes out of the registration roller. When the leading edge of the paper causes the paper sensor to turn on...

  • Page 45

    Would not rotate because the clutch (registration) is turned off. After completion of hopping, turn on the clutch (registration) to drive the registration roller. The registration roller will drive the paper until the paper has passed. (3) charging charging is effected by applying a dc minus voltage...

  • Page 46

    1 as the toner supply roller rotates while rubbing on the developing roller, a friction charge is generated between the developing roller and the toner, allowing the toner to be attracted to the developing roller. (the developing roller surface is charged positive and the toner, negative.) 2 the ton...

  • Page 47

    (7) fusing after the end of the transfer, the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back-up roller. The heater roller with a teflon coating incorporates a 750w heater (halogen lamp), which heats the heat roller. A thermistor ...

  • Page 48

    (8) cleaning after the end of the transfer, residual toner on the image drum is attracted to the cleaning roller temporarily by static electricity to clean the image drum surface. (9) cleaning of rollers the charge roller, transfer roller and cleaning roller are cleaned in the following cases: in wa...

  • Page 49

    Page: 17 service guide okipage 18/18n chapter 2 operation description 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 ou...

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    (i) read of correction data (ii) transfer of correction data to head driver correction data (2) one side wire-bonding head.

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    (i) led head is set to the correction control read mode and all correction data stored in eeprom within the correction control lsi are read by cpu, and stored temporarily in the memory. (ii) next, led head is set to the correction control direct mode and the correction data stored temporarily in the...

  • Page 52

    (ii) transfer of correction data to head driver correction data the led driver corrects the led illumination by controlling the led current. The led illumination can be set in 16 steps, with 7 steps in the direction of illumination increase in relation to the standard value, and 8 steps in the direc...

  • Page 53

    The printing operation timing chart is shown below..

  • Page 54

    The printing operation is carried out in normal mode. Under ordinary circumstances such as when the power is turned on or when load signal level is low, the normal mode is enabled. The printing operation is carried out in the following sequence. First, the printing data data3 through data0 are store...

  • Page 55

    Page: 18 service guide okipage 18/18n chapter 2 operation description 2.4 paper jam detection the paper jam detection function supervises the paper state at power-on time and during printing. In the event that the following state occurs, this function interrupts the printing process. If any of the f...

  • Page 56

    Page: 19 service guide okipage 18/18n chapter 2 operation description 2.5 cover open when the stacker cover is opened, the cover open microswitch on the power supply unit (high voltage) is turned off to cut the supply of +30v to the high voltage power supply circuit. As a result, all high-voltage ou...

  • Page 57

    Page: 20 service guide okipage 18/18n chapter 2 operation description 2.6 toner low detection composition l the device consists of the stirring gear which rotates at a constant rate, the stirring bar and the magnet on the stirring bar. The stirring bar rotates through the link on the protrusion in t...

  • Page 58

    Operating during toner low state when the stirring bar reaches the l maximum height, since there is no resistance provided by the toner on the other side, it falls to the minimum height due to its own weight. Because of this, the time interval during which it is in encounter with the magnet of the s...

  • Page 59

    Page: 21 service guide okipage 18/18n chapter 2 operation description 2.7 stacker-full detection the sensor (interlocked with the lever) at the paper outlet to the stacker detects a stacker-full state (about 250 sheets) and stops printing of the ensuing pages. Copyright 1998, okidata, division of ok...

  • Page 60

    Page: 22 service guide okipage 18/18n chapter 2 operation description 2.8 page size detection the four tab pieces are driven according to the setting position of the paper guide through the cam interlocked with the paper guide of the paper cassette. When the paper cassette is inserted into the print...

  • Page 61

    Page: 23 service guide okipage 18/18n chapter 3 parts replacement parts replacements this section explains the procedures for replacement of parts, assemblies, and units in the field. Only the removal procedures are explained here. Reverse the procedure for the installation. 3.1 precautions for part...

  • Page 62

    Page: 24 service guide okipage 18/18n chapter 3 parts replacement 3.1 precautions for parts replacement (1) be starting parts replacement, remove the ac cable and interface cable. (a) remove the ac cable in the following procedure: i) turn off ("o") the power switch of the printer. Ii) disconnect th...

  • Page 63

    [maintenance tools] table 3-1 lists the maintenance tools necessary for parts replacement. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 64

    Page: 25 service guide okipage 18/18n chapter 3 parts replacement 3.2 parts layout this section explains the layout of main parts. Figure 3-1 figure 3-2 figure 3-3 copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any upda...

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    Page: 26 service guide okipage 18/18n chapter 3 parts replacement figure 3-1.

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    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

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    Page: 27 service guide okipage 18/18n chapter 3 parts replacement figure 3-2.

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    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

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    Page: 28 service guide okipage 18/18n chapter 3 parts replacement figure 3-3.

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    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 73

    Page: 29 service guide okipage 18/18n chapter 3 parts replacement 3.3 how to change parts this section explains how to change parts and assemblies appearing in the disassembly diagram below. 3.3.1 faceup stacker assy 3.3.2 contact assy 3.3.3 dc fan motor 3.3.4 op panel assy 3.3.5 board-fff 3.3.6 sta...

  • Page 74

    3.3.29 guide assy - cassette (l) 3.3.30 guide assy - cassette (r) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 75

    Page: 30 service guide okipage 18/18n chapter 3 parts replacement 3.3.1 face-up stacker assy (1) turn off the ac power switch and unplug the ac power cord from the outlet. (2) disconnect the interface cable (1). (3) open the face-up stacker assy (2) , unhook the right and left projections, and then ...

  • Page 76

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 77

    Page: 31 service guide okipage 18/18n chapter 3 parts replacement 3.3.2 contact assy (1) open the stacker assy (1) and unscrew 2 screws (2) to remove the cover assy-side (l) (3) . (2) unscrew 2 screws (4) and remove the plate (contact) (5) and contact assy (6) . Note! Don't deform the electrode plat...

  • Page 78

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 79

    Page: 32 service guide okipage 18/18n chapter 3 parts replacement 3.3.3 dc fan motor (1) remove the cover assy-side (l). [see 3.3.2 (1)] (2) remove the dc fan motor (1) by pulling out the connector of dc fan motor (1) . Copyright 1998, okidata, division of oki america, inc. All rights reserved. See ...

  • Page 80

    Page: 33 service guide okipage 18/18n chapter 3 parts replacement 3.3.4 op panel assy (1) disconnect the interface cable (1). (2) open the stacker assy (2) , unscrew 2 screws (3) and remove the cover assy-side (r) (4) . (3) remove 2 screws (5) and flexible cable (6) to remove the operator panel assy...

  • Page 82

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 83

    Page: 34 service guide okipage 18/18n chapter 3 parts replacement 3.3.5 board - fff (1) remove the operator panel assy and cover assy-side (r). [see 3.3.4] (2) unscrew 2 screws (1) and remove the cover assy-corner (r) (2) . (3) unscrew 16 screws (3) and remove plate-shield (4) . (4) unscrew 3 screws...

  • Page 84

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 85

    Page: 35 service guide okipage 18/18n chapter 3 parts replacement 3.3.6 stacker assy, damper arm, cover rear (1) remove the face-up stacker assy. [see 3.3.1] (2) remove the cover assy-side (l). [see 3.3.2 (1)] (3) remove the op panel assy. [see 3.3.4] (4) remove the board-fff. [see 3.3.5] (5) loosen...

  • Page 86

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 87

    Page: 36 service guide okipage 18/18n chapter 3 parts replacement 3.3.7 sensor stacker full (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the stacker assy. [see 3.3.6] (3) remove four screws (1). Remove stacker mount 2 by releasing the tabs at position (2a) ....

  • Page 88

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 89

    Page: 37 service guide okipage 18/18n chapter 3 parts replacement 3.3.8 cable cover (guide film) (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the stacker assy. [see 3.3.6] (3) unscrew 2 screws (1) release tabs at portion (1a) . Remove cable cover 2, guide fi...

  • Page 90

    Page: 38 service guide okipage 18/18n chapter 3 parts replacement 3.3.9 damper (1) remove the damper arm. [see 3.3.6] (2) unscrew 2 screws (1) and remove the two dampers (2) . Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) ...

  • Page 91

    Page: 39 service guide okipage 18/18n chapter 3 parts replacement 3.3.10 feeder unit - front (1) open the manual feed assy (1) and release both right and left parts by pulling out the engagements on the lower part. (2) stand the manual feed assy (1) on end and unhook the engagements with both right ...

  • Page 92

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner.

  • Page 93

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 94

    Page: 40 service guide okipage 18/18n chapter 3 parts replacement 3.3.11 roller assy - regist (1) remove the feeder unit-front. [see 3.3.10] (2) remove an e-ring (3), gear assy-clutch (4), and four screws (1) in this order, and lift out the roller assy-registration (2) ..

  • Page 95

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 96

    Page: 41 service guide okipage 18/18n chapter 3 parts replacement 3.3.12 motor - main (1) remove the stacker assy. [see 3.3.6] (2) remove the feeder unit-front. [see 3.3.10] (at this point, the manual feed assy does not have to be removed.) (3) remove the dc fan motor. [see 3.3.3] (4) remove the con...

  • Page 98

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 99

    Page: 42 service guide okipage 18/18n chapter 3 parts replacement 3.3.13 guide assy - eject (1) remove the lever back up release. [see 3.3.12(8)] (but the roller transfer/feeder unit front/plate-fg do not have to be removed) (2) loosen 2 screws (1), unlock both side latches and remove the cover rear...

  • Page 100

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 101

    Page: 43 service guide okipage 18/18n chapter 3 parts replacement 3.3.14 heat assy (1) remove the cover assy-side (l). [see 3.3.2 (1)] (2) unplug the connectors (1), (2). (3) unscrew 4 screws (3) and remove the heat assy (4) in the direction of the arrow by lifting the right side first. Note ! As th...

  • Page 102

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 103

    Page: 44 service guide okipage 18/18n chapter 3 parts replacement 3.3.15 roller feed (c) (1) remove the guide assy-eject. (see 3.3.13) (but roller transfer/feeder unit-front/plate-fg(f) do not have to be removed) (2) remove the gear roller (c) (1) and bushing (2) , bend (a) part of the plate-fg (bk)...

  • Page 104

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 105

    Page: 45 service guide okipage 18/18n chapter 3 parts replacement 3.3.16 roller assy - bk (1) remove the heat assy. [see 3.3.14] (2) remove the lever back up release. [see 3.3.12 (8)] (3) unlock the engagement with the plate-fg (bk) (1) and lift out the roller heat assy (2) ..

  • Page 106

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 107

    Page: 46 service guide okipage 18/18n chapter 3 parts replacement 3.3.17 roller assy - feed (1) remove the feeder unit -front. [see 3.3.10] (2) remove the roller assy-feed (1) by unlocking a latch. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business p...

  • Page 108

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 109

    Page: 47 service guide okipage 18/18n chapter 3 parts replacement 3.3.18 led head (1) remove the stacker assy (1) . [see 3.3.6] (2) unplug the pc connector (2) and 2 led cables (3) from the led head (4) . (3) open the hooks of the cover stacker 1 in the direction of the arrow and remove the led head...

  • Page 110

    Page: 48 service guide okipage 18/18n chapter 3 parts replacement 3.3.19 paper cassette, roller assy - feed, roller assy - hopping (1) pull out the case assy-cassette (1) from the printer. (2) remove the roller assy-feed (2) and remove the roller assy-hopping (3) . Copyright 1998, okidata, division ...

  • Page 111

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 112

    Page: 49 service guide okipage 18/18n chapter 3 parts replacement 3.3.20 frame assy - separation (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) pull out the case assy-cassette (1) from the printer. [see 3.3.19(1)] (3) release two locks and remove frame assy-separatio...

  • Page 113

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 114

    Page: 50 service guide okipage 18/18n chapter 3 parts replacement 3.3.21 transfer roller / tr gear / tr bearing (1) open the stacker cover . (2) unlock the lock by lifting the tr gear (1) to remove the tr gear (1) and roller transfer (2) . (use the holder-tr eject (5) for the removal.) note ! Don't ...

  • Page 116

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 117

    Page: 51 service guide okipage 18/18n chapter 3 parts replacement 3.3.22 ep lock shaft (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove frame-main [see 3.3.12 (7)]. (3) remove screw (1). Turn ep lock lever (l) assy (2) in the direction of arrow (a) . (4) remove ...

  • Page 118

    Page: 52 service guide okipage 18/18n chapter 3 parts replacement 3.3.23 lever assy - out sensor (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) press the clamp part of lever assy- out sensor (1) . Remove the lever assy-out se...

  • Page 120

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 121

    Page: 53 service guide okipage 18/18n chapter 3 parts replacement 3.3.24 toner sensor lever (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) squeeze the clamp part of toner sensor lever (1) and remove the toner sensor lever (1)...

  • Page 122

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 123

    Page: 54 service guide okipage 18/18n chapter 3 parts replacement 3.3.25 paper sensor lever (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) squeeze the clamp part of the paper sensor lever (1) and remove the paper sensor lever...

  • Page 124

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 125

    Page: 55 service guide okipage 18/18n chapter 3 parts replacement 3.3.26 inlet sensor lever (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) squeeze the clamp part of two inlet sensor levers (1) . Remove the inlet sensor levers...

  • Page 126

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 127

    Page: 56 service guide okipage 18/18n chapter 3 parts replacement 3.3.27 power supply unit (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) unscrew 2 screws (1) and remove the bracket-ac (2) . (4) unscrew 10 screws (3) and remo...

  • Page 129

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 130

    Page: 57 service guide okipage 18/18n chapter 3 parts replacement 3.3.28 lever-paper end & lever-paper near end (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove the frame main [see 3.3.12(7)] (3) remove screw (1) and then remove the plate-base (2) . (4) remove t...

  • Page 131

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 132

    Page: 58 service guide okipage 18/18n chapter 3 parts replacement 3.3.29 guide assy - cassette (l) (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove frame main [see 3.3.12(7)] (3) remove plate-base and frame assy hopping [see 3.3.28 (5)] (4) unscrew two screw (1)...

  • Page 133

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 134

    Page: 59 service guide okipage 18/18n chapter 3 parts replacement 3.3.30 guide assy - cassette (r) (1) turn the ac power switch off. Unplug the ac power cord from the outlet. (2) remove frame main [see 3.3.12(7)] (3) remove plate-base and frame assy hopping [see 3.3.28 (5)] (4) unscrew two screw (1)...

  • Page 136

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 137

    Page: 60 service guide okipage 18/18n chapter 4 adjustment 4.0 adjustment this chapter explains the adjustment necessary when replacing a part. Adjustment is made by changing a parameter value set in eeprom on the controller pcb. The parameters are set with key presses from the operator panel. This ...

  • Page 138

    Page: 61 service guide okipage 18/18n chapter 4 adjustment 4.1 maintenance modes and functions user maintenance mode l l to enter the user maintenance mode, turn on the power switch while pressing the menu key. [function] there are 13 functions as follows. Menu reset l y adjust l hex dump l duplex a...

  • Page 139

    Head type setting l head drive time setting. L head drive time setting at auto head type l head strobe time at 600 x 1200 dpi l printing start position setting l drum counter total display l drum count display l setting of standard paper feed length l setting of front feeder paper feed length l sett...

  • Page 140

    Page: 62 service guide okipage 18/18n chapter 4 adjustment 4.1.1 user maintenance mode to enter the user maintenance mode, turn the power supply on while pressing the menu key. L this mode uses the menu for function selection. L the user maintenance mode provides the following functions: l (1) menu ...

  • Page 141

    (9) duplex adjust the function which performs a correction in y direction towards the sheet supplied from the tray in double-sided l printing. (10) select paper source command parameter (second tray) the function which sets the parameter selecting the second tray by paper source command (esc & n # h...

  • Page 144

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 145

    Page: 63 service guide okipage 18/18n chapter 4 adjustment 4.1.2 system maintenance mode the system maintenance mode is set when the power is turned on while pressing the recover key. L this mode adopts the menu for function selection. L the system maintenance mode is provided with the following fun...

  • Page 146

    Reset the hsp error counter. L (9) sidm enable/disable if it's selected disable, cannot select sidm emulations by menu. L system maintenance mode menu system.

  • Page 148

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 149

    Page: 64 service guide okipage 18/18n chapter 4 adjustment 4.1.3 engine maintenance mode the engine maintenance mode is activated when the power is turned on while pressing the form feed key and l enter key. This mode adopts the menu for function selection. L the method for exit from this mode depen...

  • Page 150

    (12) setting of high capacity third paper feeder paper feed length l this function sets the paper feed length of the high capacity third paper feeder. (13) selection of high capacity third paper feeder download table this function selects the download table for the high capacity third paper feeder. ...

  • Page 153

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 154

    Page: 65 service guide okipage 18/18n chapter 4 adjustment 4.1.4 eeprom initialization the corresponding area of the eeprom is initialized for each event as shown table 4-1 and table 4-2..

  • Page 155

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 156

    Page: 66 service guide okipage 18/18n chapter 4 adjustment 4.2 adjustment when replacing a part adjustment necessary when replacing one of the following parts. Parts to be replaced adjustment image drum unit reset the drum counter. (refer to user's manual) fuser unit reset the fuser counter. (refer ...

  • Page 157

    Page: 67 service guide okipage 18/18n chapter 4 adjustment 4.2.1 setting led head drive time (1) the fuser counter can be reset in the engine maintenance mode. (2) resetting method copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (...

  • Page 158

    Page: 68 service guide okipage 18/18n chapter 4 adjustment 4.2.2 destination setting the desired destination can be set by turning the power on while depressing two keys corresponding to the destination according to the following table. Destination keys to be depressed oda menu, this function shall ...

  • Page 159

    Page: 69 service guide okipage 18/18n chapter 4 adjustment 4.2.3 setting of led head drive time as the okipage18/18n automatically judges head type and head drive time, there is no need for changing any setting in replacing led head. But individual setting can be changed by engine maintenance menu a...

  • Page 160

    B. Setting example : when setting head type to type3wb( both-sided wire-bonding head) and head drive time to no. 14..

  • Page 161

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 162

    Page: 70 service guide okipage 18/18n chapter 5 periodical maintenance 5.1 periodic maintenance table 5-1 lists the part and unit to be replaced periodically. Table 5-1 routine replacement parts part name condition for replacement cleaning remarks toner cartridge 5,000 led head. L regist. Paper dust...

  • Page 163

    Page: 71 service guide okipage 18/18n chapter 5 periodical maintenance 5.2 cleaning remove any toner or dust. Clean inside and around the printer with a piece of cloth when necessary. Use the handy clearner (vacuum) for cleaning the printers interior. Note: do not touch the image drum unit, led lens...

  • Page 164

    Page: 72 service guide okipage 18/18n chapter 5 periodical maintenance 5.2.1 cleaning the led lens array clean the led lens array or replace the toner cartridge when white lines or stripes (void, light printing) are generated vertically down the page. Note: the led lens array must be cleaned with an...

  • Page 165

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 166

    Page: 73 service guide okipage 18/18n chapter 5 periodical maintenance 5.2.2 cleaning the plastic film (1) open the stacker assy and remove i/d unit. (2) after cleaning led head, wipe off the paper powder by led lens cleaner and remove the paper powder. (3) remove paper powder out of the printer uni...

  • Page 167

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 168

    Page: 74 service guide okipage 18/18n chapter 6 troubleshooting procedures 6.1 troubleshooting tips check the basic check points written in the user's manual. 1. Gather as much information on the problem from the customer as possible. 2. Perform inspections in conditions close to those in which the ...

  • Page 169

    Page: 75 service guide okipage 18/18n chapter 6 troubleshooting procedures 6.2 check points before correcting image problems is the printer being run in proper ambient conditions? 1. Have the supplies (toner) and the routine replacement part (image drum cartridge) been replaced properly? 2. Is the p...

  • Page 170

    Page: 76 service guide okipage 18/18n chapter 6 troubleshooting procedures 6.3 notes when correcting image problems do not touch, or bring foreign matter into contact with the surface of the image drum. 1. Do not expose the image drum to direct sunlight. 2. Keep hands off the fuser unit as it is hea...

  • Page 171

    Page: 77 service guide okipage 18/18n chapter 6 troubleshooting procedures 6.4 preparation before troubleshooting (1) operator panel display the failure status of this printer is displayed on the liquid crystal display (lcd) in the operator panel. Take proper corrective action as directed by message...

  • Page 172

    Page: 78 service guide okipage 18/18n chapter 6 troubleshooting procedures 6.5 troubleshooting flowchart if troubles should develop in this printer, troubleshoot in the following procedure flow: 6.5.1 lcd status message/trouble list 6.5.2 lcd message troubleshooting 6.5.3 image troubleshooting copyr...

  • Page 173

    Page: 79 service guide okipage 18/18n chapter 6 troubleshooting 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. Table 6-1 category status message status code explanation remedy normal status warming u...

  • Page 174

    Normal status manual request executive letter legal 14 legal 13 a6 a5 a4 b5 monarch com-10 dl c5 com-9 16 01 16 02 16 03 16 04 16 18 16 19 16 1a 16 21 16 50 16 51 16 5a 16 5b 16 7f request the paper to be set in the manual feed mode. The paper sizes are as follows: executive, letter, legal 14, legal...

  • Page 175

    Buffer overflow print over run 40 10 a print overrun occurred because print data is complicated. To clear the error display, press the reset button on the status monitor of the printer driver. Simplify the print data format. Device configuration error program rom check error 60 10 an error occurred ...

  • Page 176

    50 an error was detected by optional software rom. - replace the postscript module (board-msm or board-fsl). 60 an error was detected by optional ram check. - check the optional ram for proper connection. - replace the optional ram. 70 a fault occurred in the fan motor. - connect the fan motor cable...

  • Page 177

    Ready led: light off attention led: flash trouble or status remedy an error occurred in the controller. N = (*1) exception code aaaaaaaa = error address 1*: exception code error 1-3 d-f reserved - turn the power off, then on. - replace the main board. Board-fff) note: when replacing the main board, ...

  • Page 178

    Page: 80 service guide okipage 18/18n chapter 6 troubleshooting procedures 6.5.2 lcd message troubleshooting if troubles are not correctable from the lcd message trouble list, follow the troubleshooting flowcharts given here to deal with them. No. Problem flowchart number 1 the printer does not work...

  • Page 179

    Page: 81 service guide okipage 18/18n chapter 6 troubleshooting procedures (1) the printer does not work normally after being turned on..

  • Page 185

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 186

    Page: 82 service guide okipage 18/18n chapter 6 troubleshooting procedures (2) paper jams 2-1 paper input jam (1st tray) 2-2 paper input jam (front feeder) 2-3 paper feed jam 2-4 paper exit jam copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partn...

  • Page 187

    Page: 83 service guide okipage 18/18n chapter 6 troubleshooting procedures (2)-1 paper input jam (1st tray).

  • Page 189

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 190

    Page: 84 service guide okipage 18/18n chapter 6 troubleshooting procedures (2)-2 paper input jam (front feeder) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 191

    Page: 85 service guide okipage 18/18n chapter 6 troubleshooting procedures (2)-3 paper feed jam.

  • Page 193

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 194

    Page: 86 service guide okipage 18/18n chapter 6 troubleshooting procedures (2)-4 paper exit jam copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 195

    Page: 87 service guide okipage 18/18n chapter 6 troubleshooting procedures (3) paper size error copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner.

  • Page 196

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 197

    Page: 88 service guide okipage 18/18n chapter 6 troubleshooting procedures (4) fuser unit error (error 71), (error 72), (error 73).

  • Page 198

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 199

    Page: 89 service guide okipage 18/18n chapter 6 troubleshooting procedures (5) i/f time-out between printer and optional tray (error 81) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http...

  • Page 200

    Page: 90 service guide okipage 18/18n chapter 6 troubleshooting procedures (6) i/f time-out between printer and duplex unit (error 83) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http:/...

  • Page 201

    Page: 91 service guide okipage 18/18n chapter 6 troubleshooting procedures (7) i/f time-out occurs between the printer and the operator panel (error 80) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this...

  • Page 202

    Page: 92 service guide okipage 18/18n chapter 6 troubleshooting procedures (8) message cannot be received through the parallel interface copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http...

  • Page 203

    Page: 93 service guide okipage 18/18n chapter 6 troubleshooting procedures (9) message cannot be received through the serial interface.

  • Page 205

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 206

    Page: 94 service guide okipage 18/18n chapter 6 troubleshooting procedures (10) data cannot be received through the oki hsp interface copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://...

  • Page 207

    Page: 95 service guide okipage 18/18n chapter 6 troubleshooting procedures (11) synchronous serial i/o error (error 74) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Co...

  • Page 208

    Page: 96 service guide okipage 18/18n chapter 6 troubleshooting procedures 6.5.3 image troubleshooting procedures for troubleshooting for the cases of abnormal image printouts are explained below. Figure 6-3 below shows typical abnormal images. Problem flowchart number images are light or blurred en...

  • Page 209

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 210

    Page: 97 service guide okipage 18/18n chapter 6 troubleshooting procedures (1) an image is light or blurred entirely.

  • Page 211

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 212

    Page: 98 service guide okipage 18/18n chapter 6 troubleshooting procedures (2) dark background density copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 213

    Page: 99 service guide okipage 18/18n chapter 6 troubleshooting procedures (3) black paper is output copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 214

    Page: 100 service guide okipage 18/18n chapter 6 troubleshooting procedures (4) black belts or stripes in the vertical direction copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.O...

  • Page 215

    Page: 101 service guide okipage 18/18n chapter 6 troubleshooting procedures (5) cyclic error cycle remedy image drum 3.71" (94.2 mm) clean or replace the image drum unit. Developing roller 2.05" (52.1 mm) replace the image drum cartridge. Toner supply roller 3.24" (82.24 mm) replace the image drum c...

  • Page 216

    Page: 102 service guide okipage 18/18n chapter 6 troubleshooting procedures (6) print voids copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner.

  • Page 217

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 218

    Page: 103 service guide okipage 18/18n chapter 6 troubleshooting procedures (7) poor fusing i copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 219

    Page: 104 service guide okipage 18/18n chapter 6 troubleshooting procedures (8) white belts or streaks in the vertical direction copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.O...

  • Page 220

    Page: 105 service guide okipage 18/18n chapter 6 troubleshooting procedures (9) snowy print of high density pattern copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 221

    Page: 106 service guide okipage 18/18n chapter 6 troubleshooting procedures (10) blotchy faded print copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 222

    Page: 107 service guide okipage 18/18n chapter 6 troubleshooting procedures contents - figure 6-5 copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 223

    Page: 108 service guide okipage 18/18n chapter 6 troubleshooting procedures contents - figure 6-6 copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 224

    Page: 109 service guide okipage 18/18n chapter 7 wiring diagram 7.1 interconnect signal diagram.

  • Page 226

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 227

    Page: 110 service guide okipage 18/18n chapter 7 wiring diagram 7.2 pcb layout 7.2.1 main control board (board - fff) 7.2.2 power supply board (ac120v/230v) 7.2.3 power supply board (high voltage) 7.2.4 flash rom module (board-fsl or fsl-2)) copyright 1998, okidata, division of oki america, inc. All...

  • Page 228

    Page: 111 service guide okipage 18/18n chapter 7 wiring diagram 7.2.1 main control board (hby pcb).

  • Page 230

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 231

    Page: 112 service guide okipage 18/18n chapter 7 wiring diagram 7.2.2 power supply board (120v/230v) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 232

    Page: 113 service guide okipage 18/18n chapter 7 wiring diagram 7.2.3 power supply board (high voltage) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 233

    Page: 114 service guide okipage 18/18n chapter 7 wiring diagram 7.2.4 flash rom module (board-fsl or board-fsl-2) copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 234

    Page: 115 service guide okipage 18/18n chapter 7 wiring diagram 7.3 resistance check unit circuit diagram illustration resistance motor - main between pins 1 and 2: 3.1 ohms between pins 3 and 4: 3.1 ohms fusing unit between pins 1 and 2: 6.7 ohms between pins 3 and 4: 6.7 ohms hopping motor between...

  • Page 235

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 236

    Page: 116 service guide okipage 18/18n chapter 7 wiring diagram 7.4 program font/rom location (1) in case of ep rom or otp rom (2) in case of mask rom.

  • Page 237

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 238

    Page: 117 service guide okipage 18/18n chapter 8 parts list figure 8-1 printer unit.

  • Page 240

    No. Part # name qty remarks 1 40441001 cover - side (l) assy 1 2 40304101 cover - side (r) 1 3 40304401 cover - frame 1 4 40304301 cover - side (i/f) 1 5 40323401 plate - shield 1 6 40304001 cover - rear 1 7 40304508 frame - op panel assy 1 8 56635407 operation panel cable 1 9 50108201 face-up stack...

  • Page 241

    Page: 118 service guide okipage 18/18n chapter 8 parts list figure 8-2 frame - main unit.

  • Page 242

    No. Part # name qty remarks 1 40596901 frame assy - main 1 for maintenance 2 50928306 spring 1 3 51229401 damper 1 4 1 5 40315801 lever - separator 1 6 51608501 tr bearing 1 7 50928602 tr spring r 1 8 40299701 guide assy - discharge 1 9 40032901 sensor - in 1 10 40033001 spring-in sensor 1 11 508079...

  • Page 243

    61 40450501 head cable assy 1 62 50516701 washer 1 63 5656701 dc fan motor (92) 1 64 56511201 plate - fg (f) 1 65 40307201 feeder unit - front 1 66 40443301 led - head 1 67 55506001 zcat 1325-0530a r core 1 68 51609401 bearing 1 copyright 1998, okidata, division of oki america, inc. All rights reser...

  • Page 244

    Page: 119 service guide okipage 18/18n chapter 8 parts list figure 8-3 base unit.

  • Page 246

    No. Part # name qty remarks 1 40377601 guide assy - cassette (l) 1 2 40597101 guide - cassette (l) 1 for maintenance 3 51500301 pull block 2 4 40349102 lever - link (caulking) 1 5 40349701 roller - link 2 6 50516801 rink support 2 7 40928101 spring - sheet 2 8 50607201 cassette stopper 2 9 50928801 ...

  • Page 247

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 248

    Page: 120 service guide okipage 18/18n chapter a centronics parallel interface parallel interface (1) connector printer side: 36 receptacle l type: 57re-40360-830b-d29 (made by ddk) or equivalent cable side: 36-pin plug l type: 57-30360 (made by ddk) or equivalent (2) cable cable length: 6 feet (1.8...

  • Page 249

    (4) signal level low : 0 v to +0.8 v l high: +2.4 v to 5.0 v l (5) interface circuit a) receiving circuit (b) sending circuit (6) timing charts compatible mode l a) data receiving timing.

  • Page 250

    B) on-line --> off-line switching timing by on-line sw c) off-line ---> on-line switching by on-line sw (d) input prime timing (when set to the effective input prime signal).

  • Page 251

    Nibble mode l conforms to ieee 1284 spec. L ecp mode conforms to ieee 1284 spec. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 252

    Page: 121 service guide okipage 18/18n chapter b rs-232c serial interface rs-232c serial interface (1) connector printer side: 25 receptacle l type: 17le-13250-27 (d4cc) (made by ddk) or equivalent cable side: 25-pin plug l type: 17je-23250-02 (d8c) (made by ddk) (2) cable cable length: 6 feet (1.8 ...

  • Page 253

    (b) sending circuit note: the above signal level is for the case where 3kohms x 15pf is being connected to the terminal. (6) communication protocol a) ready/busy protocol b) x-on/x-off protocol copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partn...

  • Page 254

    Page: 122 service guide okipage 18/18n chapter c duplex unit maintenance (option) 1. Outline 1.1 functions 1.2 external view and component names copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this materia...

  • Page 255

    Page: 123 service guide okipage 18/18n chapter c duplex unit maintenance (option) 1.1 functions duplex unit is a unit, which is installed on the printer unit for controlling both-sided printing from the printer unit, intended for automatically reversing papers of which one side have been already pri...

  • Page 256

    Page: 124 service guide okipage 18/18n chapter c duplex unit maintenance (option) 1.2 external view and component names copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Co...

  • Page 257

    Page: 125 service guide okipage 18/18n chapter c duplex unit maintenance (option) 2.0 mechanism description 2.1 general mechanism 2.2 jam release mechanism 2.3 removing/installing duplex unit copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner...

  • Page 258

    Page: 126 service guide okipage 18/18n chapter c duplex unit maintenance (option) 2.1 general mechanism when the duplex unit receives an instruction for both-sided printing from the unit, the separator will be opened by the action of a solenoid within duplex and the route will be shifted to the one ...

  • Page 259

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 260

    Page: 127 service guide okipage 18/18n chapter c duplex unit maintenance (option) 2.2 jam release mechanism the lever-lock can be pulled outwards and the sheet route section of the duplex opens by pulling out the cassette. This enables a jam to be released. Structurally, the lever-release can be pus...

  • Page 261

    Page: 128 service guide okipage 18/18n chapter c duplex unit maintenance (option) 2.3 removing/installing duplex unit removing duplex unit (1) power off and remove the paper-cassette from 1st tray. (2) remove the lever-release from the boss of the hopping frame. (3) rotate the lever-lock (dup) in th...

  • Page 262

    Installing duplex unit (1) hold the lever-lock (dup) in horizontal lock position. Then insert the duplex unit along the groove, up to accord both rear faces between printer and duplex unit. Printer and duplex unit will connect automatically with built-in connector. (2) lock the duplex unit to the pr...

  • Page 263

    (3) from front side of printer, snap fit lever-release (dup) into the boss in hopping frame. (4) after installing duplex unit, put back the paper cassette into 1st tray. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for an...

  • Page 264

    Page: 129 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.0 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 proce...

  • Page 265

    Page: 130 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.1 precautions concerning parts replacement (1) parts replacements must be carried out, by first turning the printer power switch off "o" and removing the duplex unit from the printer. (2) do not disassemble the duple...

  • Page 266

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 267

    Page: 131 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.2 parts layout this section describes the layout of the main components..

  • Page 269

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 270

    Page: 132 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassembly order diagram below. 3.3.1 board-lex 3.3.2 connector (imsa-9714n-14a) 3.3.3 photo sensor 3...

  • Page 271

    Page: 133 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.3.1 board-lex (1) remove two lever-lock (dup) (1) by rotating them in the arrow direction. (2) unscrews five screws (2) to remove the bracket (3). (3) unlatch all the nails and unplug all the connectors (4) to remove...

  • Page 272

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 273

    Page: 134 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.3.2 connector (imsa-9714n-14a) (1) remove two lever-release (dup) (1). (2) take away two spring-support (2) to remove frame-main (dup) (3). (remove the frame-main (dup) by lifting in up from (a) side) (3) unscrew two...

  • Page 274

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 275

    Page: 135 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.3.3 photo sensor (1) remove the frame-main (dup) (see section 3.3.2). (2) release the lock to remove two spring-lock (frame) (1) and two lever-lock assy (2). (3) pull out four shaft-pinch (3) and remove four roller-p...

  • Page 276

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 277

    Page: 136 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.3.4 solenoid assy (1) remove the frame-main (dup) (see section 3.3.2). (2) release the lock to remove two lever sensor (f/r) (1) and two spring-sensor (f/r) (2). (3) unplug the connection code-wire (3) and remove pho...

  • Page 278

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner.

  • Page 279

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 280

    Page: 137 service guide okipage 18/18n chapter c duplex unit maintenance (option) 3.3.5 motor (1) remove the frame-main (dup) (see section 3.3.2). (2) unscrew two screws (1) to remove plate-earth (f/r) (2). (3) unscrew three screws (3) to remove plate-earth (f/r-2) (4). (4) disengage the latch to re...

  • Page 281

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 282

    Page: 138 service guide okipage 18/18n chapter c duplex unit maintenance (option) 4.0 troubleshooting 4.1 precautions prior to the troubleshooting 4.2 preparations for the troubleshooting 4.3 troubleshooting method copyright 1998, okidata, division of oki america, inc. All rights reserved. See the o...

  • Page 283

    Page: 139 service guide okipage 18/18n chapter c duplex unit maintenance (option) 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the operator guide. (2) obtain detailed information concerning the problem from the user. (3) go through the checking in ...

  • Page 284

    Page: 140 service guide okipage 18/18n chapter c duplex unit maintenance (option) 4.2 preparations for the troubleshooting (1) display on the operator panel the status of the problem is displayed on the lcd (liquid crystal display) on the operator panel. Go through the appropriate troubleshooting pr...

  • Page 285

    Page: 141 service guide okipage 18/18n chapter c duplex unit maintenance (option) 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. 4.3.1 lcd status message list 4.3.2 troubleshooting flow copyright 1998, okidata, division of oki a...

  • Page 286

    Page: 142 service guide okipage 18/18n chapter c duplex unit maintenance (option) 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. Classification lcd status message description recover method jam error infor...

  • Page 287

    Page: 143 service guide okipage 18/18n chapter c duplex unit maintenance (option) 4.3.2 troubleshooting flow (jam error) l duplex input jam.

  • Page 288

    Duplex feed jam1.

  • Page 289

    Duplex feed jam2 duplex feed jam3.

  • Page 290

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 291

    Page: 144 service guide okipage 18/18n chapter c duplex unit maintenance (option) 5.0 connection diagram 5.1 interconnection diagram 5.2 pcb layout copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this mate...

  • Page 292

    Page: 145 service guide okipage 18/18n chapter c duplex unit maintenance (option) 5.1 interconnection diagram.

  • Page 294

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 295

    Page: 146 service guide okipage 18/18n chapter c duplex unit maintenance (option) 5.2 pcb layout pcb-lex copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 296

    Page: 147 service guide okipage 18/18n chapter c duplex unit maintenance (option) 6.0 parts list.

  • Page 298

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 299

    Page: 148 service guide okipage 18/18n chapter c duplex unit maintenance (option) table 6-1 duplex unit no. Part no. Name qty recommended qty remarks 50 100 1000 1 40658401 cover - upper (dup) (affix) 1 1 3 6 # 2 40339401 roller - pinch 6 6 18 36 # 3 40382201 shaft - pinch 4 4 12 24 # 4 40393201 spr...

  • Page 300

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 301

    Page: 149 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 1.0 outline 1.1 functions 1.2 appearance and parts name copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this mate...

  • Page 302

    Page: 150 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 1.1 functions this high capacity second/ third paper feeder, which is located under the printer, rotates the hopping motor according to the signal from the printer to supply papers to the printer automaticall...

  • Page 303

    Page: 151 service guide okipage 18/18n chapter d second / third paper feeder maint (option) appearance and parts name copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 304

    Page: 152 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 2.0 description of operation 2.1 driving mechanism 2.2 hopper mechanism copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any upda...

  • Page 305

    Page: 153 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 2.1 driving mechanism the high-capacity second/ third paper feeder only a top paper which is set in the cassette by a signal from the printer. (1) second paper feeder as an example is shown. First of all, the...

  • Page 307

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 308

    Page: 154 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 2.2 hopper mechanism the hopper is a motion where papers are automatically sent into the printer one by one. When papers are set to the cassette, the feeding motion is activated by the hopping motor to send o...

  • Page 310

    Page: 155 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.0 parts replacement in this section, the removing and installing procedure of assembly and unit in field are described. Although this section describes the removing procedure, the installing procedure is ba...

  • Page 311

    Page: 156 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.1 precautions concerning parts replacement (1) parts replacements must be carried out, by first turning the printer power switch off "o" and removing the high capacity second / third paper feeder from the p...

  • Page 312

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 313

    Page: 157 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.2 parts layout this section describes the layout of the main components..

  • Page 315

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 316

    Page: 158 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassembly order diagram below. High capacity second / third paper feeder roller assy hoppi...

  • Page 317

    Page: 159 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.1 roller assy hopping, roller assy feed (1) remove the case assy cassette (1). (2) disengage latchs to remove the roller assy hopping (2). (3) disengage latchs to remove the roller assy feed (3). Copyrigh...

  • Page 318

    Page: 160 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.2 cover front assy (1) unscrew two screws (1) to remove the cover front assy (2)..

  • Page 319

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 320

    Page: 161 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.3 board-bbb (1) unscrew a screw (1) to remove the pcb cover bracket (2). (2) take away all connectors (3) and three screws (4) to remove the board-bbb (5)..

  • Page 321

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 322

    Page: 162 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.4 lever paper end, lever paper near end (1) unscrew five screws (1) to remove roller cover bracket (2) and plate-earth (l) (3). (2) disengage latches to remove the lever paper end (4) and lever paper near...

  • Page 323

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 324

    Page: 163 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.5 motor (1) remove the cover front assy (see section 3.3.2). (2) remove the pcb cover bracket (see section 3.3.3). (3) remove the roller cover bracket (see section 3.3.4). (4) unscrew seven screws (1) to ...

  • Page 325

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner.

  • Page 326

    Exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 327

    Page: 164 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.6 connector (imsa-9714n-14b), connector (imsa-9714n-14a) (1) remove the motor (see section 3.3.5). (2) unscrew two screws (1) to remove connector (imsa-9714n-14b) (2) and plate-earth (fr) (3). (3) unscrew...

  • Page 328

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 330

    Page: 165 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.7 frange pulley, pulley idle, mini pitch belt, plate earth shaft, gear double, tray switch assy (1) remove the motor (see section 3.3.5). (2) remove the connector (see section 3.3.6). (3) unscrew two scre...

  • Page 331

    Page: 166 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.8 roller feed (1) remove the motor (see section 3.3.5). (2) remove the connector (see section 3.3.6). (3) remove the motor bracket (see section 3.3.7). (4) disengage latches to remove the feeding bearing ...

  • Page 332

    Page: 167 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.9 bracket sub roller (1) remove the roller assy hopping and roller assy feed. (see section 3.3.1). (2) remove the roller feed (see section 3.3.8) (3) unscrew a screw (1) to remove the bracket joint (2) , ...

  • Page 333

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 334

    Page: 168 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.10 frame side (l) assy (1) remove the frame side (l) assy (see section 3.3.5). (2) remove the plate earth (bl) (1). (3) take away the spring (2) to remove the cassette stopper (3). (4) take away the sprin...

  • Page 335

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 336

    Page: 169 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 3.3.11 frame side (r) assy (1) remove the frame side (r) assy (see section 3.3.5). (2) remove the plate earth (br) (1). (3) take away the spring (2) to remove the cassette stopper (3). (4) take away the sprin...

  • Page 337

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 338

    Page: 170 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 4.0 troubleshooting 4.1 precautions prior to the troubleshooting 4.2 preparations for the troubleshooting 4.3 troubleshooting method copyright 1998, okidata, division of oki america, inc. All rights reserved....

  • Page 339

    Page: 171 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the operator guide. (2) obtain detailed information concerning the problem from the user. (3) go through the ch...

  • Page 340

    Page: 172 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 4.2 preparations for the troubleshooting (1) display on the operator panel the status of the problem is displayed on the lcd (liquid crystal display) on the operator panel. Go through the appropriate troubles...

  • Page 341

    Page: 173 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okida...

  • Page 342

    Page: 174 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 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. Classification lcd status message description recover method jam e...

  • Page 343

    Page: 175 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 4.3.2 troubleshooting flow ( jam error ) l paper input jam.

  • Page 344

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 345

    Page: 176 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 5.0 connection diagram 5.1 interconnection diagram 5.2 pcb layout copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to...

  • Page 346

    Page: 177 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 5.1 interconnection diagram.

  • Page 348

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 349

    Page: 178 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 5.2 pcb layout.

  • Page 350

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 351

    Page: 179 service guide okipage 18/18n chapter d second / third paper feeder maint (option) 6.0 parts list.

  • Page 353

    No. Part no. Name qty recommended qty remarks 50 100 1000 1 40346701 frame side (l) assy 1 1 3 6 # 2 40488701 guide cassette l 1 1 3 6 # for maintenance 3 51500301 pull block 2 2 6 12 # 4 40349102 lever link (caulking) 1 1 3 6 5 50516801 link support 2 2 6 12 6 40607201 spring - sheet 2 0 6 12 # 7 5...

  • Page 354

    54 51305201 mini pitch belt 1 1 3 6 55 40371301 roller assy hopping 1 2 6 12 56 40313201 roller assy feed 1 2 6 12 57 40378401 case assy cassette 1 1 3 6 58 40927901 separator frame assy 1 1 3 6 59 see #58 plate - damper 1 0 3 6 60 50608101 knock pin 1 1 3 6 61 40387401 plate - earth (fr) 1 1 3 6 62...

  • Page 355

    Page: 180 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 1.0 outline this handbook is intended for the service personnel and describes the field maintenance methods for multi feeder option of the okipage 18 series led page printer. Refer to the user's manual for operating in...

  • Page 356

    Page: 181 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 1.1 functions this multi feeder is installed on the front section of the printer, and it supplies paper automatically through the operation of hopping motor, which is driven by signals sent from the printer. The main f...

  • Page 357

    Page: 182 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 1.2 external view and component names copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Co...

  • Page 358

    Page: 183 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 2.0 mechanism description 2.1 general mechanism 2.2 hopper mechanism copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this m...

  • Page 359

    Page: 184 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 2.1 general mechanism the sheet (or envelope) at the very bottom of the stack is fed into the printer, one at a time, when the multi feeder receives the signal from the printer. (1) first, the hopping motor rotates in ...

  • Page 360

    Page: 185 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 2.2 hopper mechanism the hopper automatically feeds the printer with the paper being set, single sheet at a time. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business par...

  • Page 361

    Page: 186 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.0 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 proce...

  • Page 362

    Page: 187 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.1 precautions concerning parts replacement (1) parts replacements must be carried out, by first turning the printer power switch off "o" and removing the multi feeder from the printer. (2) do not disassemble the mult...

  • Page 363

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 364

    Page: 188 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.2 parts layout this section describes the layout of the main components..

  • Page 366

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 367

    Page: 189 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3 parts replacement methods this section describes the parts replacement methods for the components listed in the disassembly order diagram below. Multi feeder separator (3.3.1) aole-pcb (3.3.2) square-shaped connect...

  • Page 368

    Page: 190 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.1 separator (1) turn the printer power off and remove the multi feeder. (2) disengage the link and hopper cover. (3) remove two screws (1), disengage two locks of the upper cover (2) using a flat-head screwdriver, ...

  • Page 369

    When the secondary stage of idle gear (11) is turned in the a direction after engaging the plate and the frame, the inclination of the pressure roller (12) is less than ±0.1 mm against the plate (13), as shown in the right figure. When the inclination of the pressure roller exceeds ±0.1 mm, fine-adj...

  • Page 370

    Page: 191 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.2 aole-pcb (1) remove the upper cover (see 3.1.1 (1) to (3)). (2) remove two screws (1) and remove the aole-pcb (2). (3) remove the connector (3). (4) remove the connector (4). Caution: be careful to set the sensor...

  • Page 371

    Page: 192 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.3 square-shaped connector (1) remove the upper cover and remove the cover frame (5) (see 3.3.1 (1) to (4)). (2) remove the aole-pcb (see 3.3.2). (3) remove the screw (1) and remove the square-shaped connector (2). ...

  • Page 372

    2. The square connector (2) should be hooked on the connector spring (4) and move smoothly. Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 373

    Page: 193 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.4 hopping motor (1) remove the upper cover (see 3.3.1 (1) to (3)). (2) remove the aole-pcb. (see 3.3.2). (3) remove two screws (1), then remove the hopping motor (2). Copyright 1998, okidata, division of oki americ...

  • Page 374

    Page: 194 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.5 planet gear (1) remove the upper cover (see 3.3.1 (1) to (3)). (2) remove the aole-pcb (see 3.3.2). (3) remove two screws (1), then remove the motor bracket assy (2) and the planet gear (3). Copyright 1998, okida...

  • Page 375

    Page: 195 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.6 roller b (1) remove the upper cover (see 3.3.1 (1) to (3)). (2) disengage the plate and frame (on both sides). (3) remove the separator assy (see 3.3.1 (1) to (3)). (4) remove the aole-pcb (see 3.3.2). (5) remove...

  • Page 376

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 377

    Page: 196 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.7 roller a (1) remove the motor bracket assy (see 3.3.5). (2) remove two gears (1) and then another gear (2). (3) disengage the plate (3) and the frame (4). (4) remove four screws (5) and remove the frame (4) (see ...

  • Page 378

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 379

    Page: 197 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 3.3.8 mini pitch belt & feed roller (1) remove the roller a (see 3.3.7). (2) remove the bearing (1) and remove the feed roller assy (2). (3) remove two bearings (3) and remove the plate (4). (4) remove the mini pitch b...

  • Page 380

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 381

    Page: 198 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 4.0 troubleshooting precautions prior to the troubleshooting preparations for the troubleshooting troubleshooting method copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata busin...

  • Page 382

    Page: 199 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 4.1 precautions prior to the troubleshooting (1) go through the basic checking items provided in the operator guide. (2) obtain detailed information concerning the problem from the user. (3) go through the checking in ...

  • Page 383

    Page: 200 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 4.2 preparations for the troubleshooting (1) display on the operator panel the status of the problem is displayed on the lcd (liquid crystal display) on the operator panel. Go through the appropriate troubleshooting pr...

  • Page 384

    Page: 201 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 4.3 troubleshooting method when a problem occurs, go through the troubleshooting according to the following procedure. 4.3.1 lcd status message list 4.3.2 troubleshooting flow copyright 1998, okidata, division of oki a...

  • Page 385

    Page: 202 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 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. Classification lcd status message description recover method jam error notif...

  • Page 386

    Page: 203 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 4.3.2 troubleshooting flow ( jam error ) l paper input jam.

  • Page 388

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 389

    Page: 204 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 5.0 connection diagram 5.1 interconnection diagram 5.2 pcb layout copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this mate...

  • Page 390

    Page: 205 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 5.1 interconnection diagram copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 391

    Page: 206 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 5.2 pcb layout aole-pcb.

  • Page 392

    Copyright 1998, okidata, division of oki america, inc. All rights reserved. See the okidata business partner exchange (bpx) for any updates to this material. (http://bpx.Okidata.Com).

  • Page 393

    Page: 207 service guide okipage 18/18n chapter e multi-purpose feeder maintenance 6.0 parts list.

  • Page 395

    Table 6-1 multi-feeder no. Part no. Name qty recommended qty remarks 50 100 1000 1 53344201 separator 1 1 3 6 2 53343801 roller-a 1 1 3 6 3 51229601 planet gear 1 1 3 6 4 56510701 hopping motor 1 1 3 6 5 50409701 roller - c 1 1 3 6 6 51235701 one-way pulley 1 1 3 6 7 51304901 mini pitch belt 1 1 3 6...