Oki C931e Maintenance Manual
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Oki C931e Maintenance Manual

Oki C931e Maintenance Manual

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C911
C931dn / C931e / C931DP
C941dn / C941e / C941 DP
Maintenance Manual
021315D

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Summary of Contents for Oki C931e

  • Page 1 C911 C931dn / C931e / C931DP C941dn / C941e / C941 DP Maintenance Manual 021315D...

  • Page 2: Copyright Information

    Copyright Information Copyright © 2014 by Oki Data. All Rights Reserved Disclaimer Every effort has been made to ensure that the information in this document is complete, accurate, and up-to- date. The manufacturer assumes no responsibility for the results of errors beyond its control. The manufacturer also cannot guarantee that changes in software and equipment made by other manufacturers and referred to in this guide will not affect the applicability of the information in it.
  • Page 3 Note! • Manual may be revised and updated at any time without notice. • Unexpected mistakes may exist in the manual. OKI will not assume any responsibility whatsoever for damage to the equipmentrepaired/adjusted/changed by the user etc with this manual.

  • Page 4: Table Of Contents

    Oki Data CONFIDENTIAL Index 1. CONFIGURATION ..............1-1 4.2 Matters to be checked before taking corrective actions against abnormalities .4-2 4.3 Precautions when taking corrective actions against abnormalities ....4-2 1.1 System configuration ..................1-2 4.4 Preparation for troubleshooting .................4-2 1.2 Printer configuration ..................1-4 4.5 Troubleshooting methods ..................4-3...
  • Page 5 Oki Data CONFIDENTIAL 5.3.3 Printing on stand-alone basis..............5-56 6.2.29 Hopper-Assy/Board-F1S(MPT relay PCB) ..........6-24 5.3.4 Button-pressed functions at power-on .............5-56 6.2.30 Clutch(Feeder-Assy) ................6-24 5.4 Setup after part replacement ................5-57 6.2.31 Frame-Assy-TC/Frame-Assy-TC-R ............6-25 6.2.32 Plate-Fix-Pivot ..................6-26 5.4.1 Notes on PU/ CU board replacement ............5-57 6.2.33 Board-F1H(Print head power relay PCB)/Board-MFH(Environmental sensor PCB)/...

  • Page 6: Oki Data Confidential

    Oki Data CONFIDENTIAL CONFIGURATION System configuration ..............1-2 Printer configuration ..............1-4 Composition of optional items ..........1-5 Specifications ................1-6 Interface specifications ..............1-9...

  • Page 7: System Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.1 System configuration Figure 1-1 represents the system configuration of the apparatus. Table 1-1 shows the PCB list of C911/C931/C941/ES9411/ES9431/ES9541. Design Main Board(F1Y) Color LCD Board(F1P) LED(blue) Panel Soft SW, DDR3-RAM Power-On Device in Deepsleep...
  • Page 8 1. CONFIGURATION Oki Data CONFIDENTIAL Table 1-1 PCB list of C911/C931/C941/ES9411/ES9431/ES9541 Name Purpose Remarks Printer controller (PU/CU) For five-color models F1Y-2 Printer controller (PU/CU) For four-color models Spot color control Used for five-color models only. Driver relay For five-color models...

  • Page 9: Printer Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.2 Printer configuration The internal part of the printer is composed of the following sections: • Electrophotographic processing section • Paper paths • Controller (a combination PU/CU board) • Operator panel • Power supplies (high-voltage power supply/low-voltage power supply) Figure 1-2 represents the configuration of the printer.

  • Page 10: Composition Of Optional Items

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.3 Composition of optional items The following optional items are available for the apparatus. (4) Internal hard disk (1) Optional Tray Unit (5) Spot-color kit (5-Color models only) (2) Optional Tray Unit with Casters (6) Banner Tray (3) High-capacity Optional Tray Unit (three-layer of optional trays integrated unit with Casters) 45530603TH Rev.3...

  • Page 11: Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.4 Specifications Specification Specification Classification Item Classification Item C911dn/C931dn/ C911dn/C931dn/ C941dn/ES9541dn C941dn/ES9541dn ES9411dn/ES9431dn ES9411dn/ES9431dn Dimension Width 699mm Power Power input ODA, ODB : 120V AC +/-10% consumption OEL, ODA230, AOS, Korea, China : 230V AC +/-10%...
  • Page 12 1. CONFIGURATION Oki Data CONFIDENTIAL Specification Specification Classification Item Classification Item C911dn/C931dn/ C911dn/C931dn/ C941dn/ES9541dn C941dn/ES9541dn ES9411dn/ES9431dn ES9411dn/ES9431dn Life Printer life 1,500,000pages (A4 LEF), five years Paper Tray capacity (1st tray) Universal cassette: 580 sheets (64g/m handling Monthly Duty Cycle Max.300,000 pages/month...
  • Page 13 1. CONFIGURATION Oki Data CONFIDENTIAL Specification Specification Classification Item Classification Item C911dn/C931dn/ C911dn/C931dn/ C941dn/ES9541dn C941dn/ES9541dn ES9411dn/ES9431dn ES9411dn/ES9431dn Operator Graphic panel with 480 × 272 dots Option HDD kit 160GB panel With display of paper size (removable) Installable by users LED (Color) 5 LEDs (green ×...

  • Page 14: Interface Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5 Interface specifications 1.5.1 USB interface specifications (2) Cables Length: USB 2.0 cables no more than five meters long (two meters or less 1.5.1.1 USB interface overview recommended) (Shielded USB 2.0 cables shall be used.)
  • Page 15 Pin No. Signal name Function TRD+(0) Transmitting and receiving Data 0 (+) * This apparatus installs Oki Data Network Stack Version 1.0 TRD-(0) Transmitting and receiving Data 0 (-) acquiring IPv6 Ready Logo Phase-2 (IPv6 Core Protocols). TRD+(1) Transmitting and receiving Data 1 (+)

  • Page 16: Description Of Operation

    Oki Data CONFIDENTIAL DESCRIPTION OF OPERATION Electrophotographic process mechanism ........2-2 Printing process .................2-5 Low-voltage Power Supply ............2-17 Cover Opening and Closing Detection Switch ......2-18 Initialization processing ............2-19...

  • Page 17: Electrophotographic Process Mechanism

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.1 Electrophotographic process mechanism (1) Electrophotographic process (2) Charging The electrophotographic process is explained briefly below: The voltage is applied to the charging roller, which is arranged in contact with the OPC drum surface, to charge the OPC drum surface.
  • Page 18 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (4) Development (5) Transfer Charged toner are adsorbed to the electrostatic latent image on the drum surface, The intermediate transfer belt is arranged in contact with the OPC drum surface. thereby the electrostatic latent image is converted to the toner image.
  • Page 19 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (6) Fusing (7) Drum cleaning The toner image transferred on the paper is fused to the paper by heat and Unfixed toner remaining on the OPC drum is removed by the drum cleaning blade pressure when the paper passes through between the portion of the fuser belt and collected into the waste toner area of the toner cartridge.

  • Page 20: Printing Process

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.2 Printing process The paper fed from Tray 1 or Tray 2, 3, 4 or 5 is fed by the paper feed roller, registration 1 roller, registration 2 roller and timing roller. When the paper is fed from the MPT, it is fed by the MPT paper feed roller and the registration 2 roller.
  • Page 21 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (1) Paper feed from 1st Tray (2) Paper feed from MPT 1. As illustrated in Figure 2-1, when the hopping clutch is ON, the hopping motor 1. When the MPT clutch is ON, the hopping motor is driven (to counterclockwise), is driven (to clockwise), transporting the paper until the IN 1 sensor comes ON.
  • Page 22 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (3) Intermediate transfer belt (4) Intermediate transfer roller unit 1. When the intermediate transfer belt motor drives in the direction of the arrow, 1. The toner image transferred to the intermediate transfer belt is transferred on the intermediate transfer belt is rotated.
  • Page 23 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (5) 2 Pass printing (function to automatically print on the same side of a sheet twice. (only (6) Up-Down Operation of ID unit 5-color model)) Up-Down operation of each of the ID units is performed by clock wise the motor.
  • Page 24 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (7) Fuser unit and paper ejection (8) JobOff Parts Structure and Operation 1. As illustrated in Figure 2-8, the fuser unit and the eject roller are driven by the As illustrated in Figure 2-9, the position of paper ejected to face-down stucker is DC motor.
  • Page 25 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (9) Cover-opening motion of the color registration sensor and the density sensor 1. In the color registration sensor and the density sensor as illustrated in Figure 2-10, the cam rotates with the reverse rotation of the feed motor, causing the shutter of the color registration sensor and the density sensor to open.
  • Page 26 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Outline of color registration correction The color registration is corrected by reading registration patterns that are printed on the belt Error checking methods and countermeasure with the color registration sensors located inside the sensor shutter under the belt unit. These The color registration test function among the other self-diagnostic functions is applied to sensors are used to detect and to regist with the color registration patterns.
  • Page 27 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Outline of density correction The printing density is corrected by reading the correction pattern that is printed on the belt Error checking methods and countermeasure with the density sensor located inside the sensor shutter under the belt unit.
  • Page 28 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Process of the toner sensor detection Principles of counters for Image Drum, Belt Unit, and Fuser Unit Toner LOW is detected by the toner sensor (optical sensor) arranged in the printer. The douser is mounted inside the ID and rotates in synchronization with toner agitation.

  • Page 29: Counter Specifications

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Counter specifications Total page MPT page Tray 1 page Tray 2 page Tray 3 page Tray 4 page Tray 5 page Monochrome Color page count count count count count count count count page count...
  • Page 30 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Counter specifications (Spot color only) Spot color 1 Spot color 2 Definition Total number of prints in Total number of prints using spot combination of spot color and color only other colors Count method: The number of print media is counted up when each job is finished.
  • Page 31 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL A4/Letter conversion table Paper size Simplex Duplex Nagagata #40 Each count should increase, in relation to every sheet of paper, by the values in the table Yougata #2 (C6) below. CUSTOM(to 210mm) Paper size...

  • Page 32: Low-Voltage Power Supply

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.3 Low-voltage Power Supply 2.3.1 Operation 2.3.2 Power-supply Voltage in Each Mode Low-voltage power supply The output voltage value of the low-voltage power supply is different in each operation mode as shown in the following table.

  • Page 33: Cover Opening And Closing Detection Switch

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.4 Cover Opening and Closing Detection Switch The front cover opening/closing detection switch, the exit left cover opening/closing detection  Toner change cover opening/closing detection switch, and the toner cover opening/closing detection switch of this apparatus are effective The status of the toner change cover is open is detected.

  • Page 34: Initialization Processing

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.5 Initialization processing Description · The state of initialization is indicated by LED (Power Supply LED, initialization LED 1, 2, 3). · The Power Supply LED is blinking in first step. In the case of the Power Supply is abnormaly, the LED is blinking at high speed.

  • Page 35: Oki Data Confidential

    Oki Data CONFIDENTIAL INSTALLATION Cautions, and do’s and don’ts ...........3-2 Installation instructions ..............3-3 Cautions for mounting Optional Tray Unit ........3-4 Cautions for Banner Tray ............3-7 Cautions for Packing ..............3-10...

  • Page 36: Cautions, And Do's And Don'ts

    3. INSTALLATION Oki Data CONFIDENTIAL 3.1 Cautions, and do’s and don’ts • Do not place the printer in any high-temperature location or a near heat source. • If water or any other liquid enters the inside of the printer, remove the power plug from the power outlet and contact Customer Center.

  • Page 37: Installation Instructions

    3. INSTALLATION Oki Data CONFIDENTIAL 3.2 Installation instructions • Check to make sure that the apparatus is free from damage, dirt or other irregularities in its appearance. • Ensure that none of the accessories to the apparatus is missing and that they are free from breakage or other flaw.

  • Page 38: Cautions For Mounting Optional Tray Unit

    3. INSTALLATION Oki Data CONFIDENTIAL 3.3 Cautions for mounting Optional Tray Unit Gently lift the main unit by four or more people, and align the holes on the base to the 2 For the Optional Tray Unit and large-capacity Optional Tray Unit with casters, adjust the caster protrusions on the Optional Tray Unit.
  • Page 39 3. INSTALLATION Oki Data CONFIDENTIAL (2) Loosen the nuts (upper-side) at the top of the feets (2 pieces) on the right of the apparatus. (3) Rotate the nuts and bolts at the bottom of each foot to lower the feet.
  • Page 40 3. INSTALLATION Oki Data CONFIDENTIAL (4) When each foot has reached the ground, tighten the upper-side nuts at the top to secure the tray unit. 45530603TH Rev.3...

  • Page 41: Cautions For Banner Tray

    3. INSTALLATION Oki Data CONFIDENTIAL 3.4 Cautions for Banner Tray Stacker (3) Attach the Banner tray onto the multi-purpose tray. Stacker handle 1.Hold the handle of Banner tray. Handle 2.Latch on the left and right protrusions at the top of Banner tray to the hooks on both sides of the multi-purpose tray.
  • Page 42 3. INSTALLATION Oki Data CONFIDENTIAL 3.Insert the protrusions of Banner tray into the insertion points on both sides of the multi- (4) Check that the Banner tray is secured in place. purpose tray. (5) Close the toner replacement cover and the front cover.
  • Page 43 3. INSTALLATION Oki Data CONFIDENTIAL ≪ When remove ≫ (7) Open the paper supporter and the auxiliary supporter of the multi-purpose tray. ・Check that there are no paper in the Banner tray. (1) Pull out the Banner tray. 1. Open the toner replacement cover and the front cover of the printer.

  • Page 44: Cautions For Packing

    3. INSTALLATION Oki Data CONFIDENTIAL 3.5 Cautions for Packing If packing the printer, close the toner change cover completely following procedure. (3) Check all toner cartridge detect lever. Note! ・Be sure to unplug the AC cable. ・Packing when transport only.
  • Page 45 3. INSTALLATION Oki Data CONFIDENTIAL (5) Fasten toner cartridge detect lever by adhesive tape. (7) Check the toner change cover close completely. (6) Fasten all toner cartridge detect lever as above procedure(4) to (5). Note! ・Peel the adhesive tape from the printer when use the printer.

  • Page 46: Troubleshooting Procedure

    Oki Data CONFIDENTIAL TROUBLESHOOTING PROCEDURE Important notes to start the repair work ........4-2 Matters to be checked before taking corrective actions against abnormalities ..............4-2 Precautions when taking corrective actions against abnormalities ..............4-2 Preparation for troubleshooting ..........4-2 Troubleshooting methods ............4-3 Fuse check ................4-89...

  • Page 47: Important Notes To Start The Repair Work

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.1 Important notes to start the repair work (1) Read the basic check / inspection points described in user’s Manual. (2) get information from customers in detail as much as possible about problem occurrence conditions.

  • Page 48: Troubleshooting Methods

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5 Troubleshooting methods 4.5.1 LCD message list When a trouble occurs with this printer, execute troubleshooting by following the steps de- scribed below. When the printer detects an unrecoverable error, the following service call error is displayed on the lcd.
  • Page 49 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) check Fuser unit blink Indicates that the fuser is not installed...
  • Page 50 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) Install new Fuser blink Alerts the end of the fuser life.
  • Page 51 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) check Paper in blink Alerts that too long paper has been fed...
  • Page 52 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp indicator lamp code code represents a blank line.) represents a blank line.) blink Indicates that a print request was issued...
  • Page 53 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) Please change blink Indicates that either the paper size set to...
  • Page 54 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) Receiving data Varies blink This error appears when a stream...
  • Page 55 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) Install %coloR% blink Alerts (alarms) the end of the image...
  • Page 56 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) Incompatible Toner blink The detected toner cartridge is not optimal.
  • Page 57 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) change %MedIA_ blink Indicates disagreement between the...
  • Page 58 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) non genuine belt blink Indicates detection of a belt unit not...
  • Page 59 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) Incompatible Fuser blink The detected fuser unit is not optimal.
  • Page 60 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp code indicator lamp code represents a blank line.) represents a blank line.) check data Varies Varies Indicates that writing of the message...
  • Page 61 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Table 4-1-2 service call error list Panel display cause check details solution Result Panel display cause check details solution Result service call Flash File system Failed to access to Format the Flash 042:error error the Flash RoM that is forcibly.
  • Page 62 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Panel display cause check details solution Panel display cause check details solution Result Result Power off/on detection of Power oFF/on. service call 09: detection of an does this error 108:error error in clock message reappear...
  • Page 63 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Panel display cause check details solution Panel display cause check details solution Result Result service call A duplex unit for Is a duplex unit service call Multi-purpose Tray does the motor un in Yes check the sensor...
  • Page 64 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Panel display cause check details solution Panel display cause check details solution Result Result service call 01: Fuser exhaust Is the cable to no Re-connect the fan service call 01: Tray1 lift-up Remove the paper...
  • Page 65 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Panel display cause check details solution Panel display cause check details solution Result Result service call 09:Fuser Motor lock Remove the fuser. Yes Replace the fuser. service call Toner supply motor Remove the toner...
  • Page 66 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Panel display cause check details solution Panel display cause check details solution Result Result service call Thermistor slope Is the error message Yes Restore the power. service call option unit I/F error Restore the power.
  • Page 67 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Panel display cause check details solution Panel display cause check details solution Result Result service call engine Program Power oFF/on. Power off/on short circuit (901) check the belt Yes Replace the part or 241:error...
  • Page 68 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Table 4-1-3 Initializing online Inspection Panel display details indicator lamp online Inspection Panel display details checking sectors Indicates that Hdd sectors are being checked. indicator lamp The sector check process can be started from...
  • Page 69 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Table 4-1-4 normal lcd status Message online Inspection details indicator lamp represents a blank line.) lcd status Message online Inspection details Varies Varies Indicates that the printer is performing copy indicator lamp represents a blank line.) printing.
  • Page 70 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL lcd status Message lcd status Message online Inspection online Inspection details details indicator lamp indicator lamp represents a blank line.) represents a blank line.) Varies Varies lights out at the same time when the printer...
  • Page 71 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Table 4-1-5 Warning lcd status Message online Inspection details indicator lamp represents a blank line.) lcd status Message Remedial online Inspection details Wait a Moment Varies Varies Indicates that message data to be updated is...
  • Page 72 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies Indicates that amount of toner is low.
  • Page 73 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) blink Varies Indicates that Postscript interpreter has –...
  • Page 74 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies Indicates detection of an abnormal –...
  • Page 75 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies Indicates that a toner cartridge is not...
  • Page 76 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies belt Reflex check error. Varies Varies density Adjustment Id eRRoR 2.
  • Page 77 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies color registration sensor error. Varies...
  • Page 78 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies Varies Pu flush error (An error occurred during –...
  • Page 79 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies notifies the user that the job has been •...
  • Page 80 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Remedial Remedial lcd status Message online lcd status Message online Inspection Inspection details details lamp lamp indicator measure indicator measure represents a blank line.) represents a blank line.) Varies Indicates that a file system error, other...
  • Page 81 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2 Preparation for troubleshooting (11) Id unit up/down error (service calls 143-01: K, -02: c, -03: M, -04: Y, -05: W/cl) ......4-72 (1) lcd display error ...................4-37 (11-1) error occurs during the up movement of the Id unit ......4-72 (1-1) lcd does not display anything.

  • Page 82: Lcd Display Error

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2 (1) LCD display error Actions to be taken check item check work at ng Memo For connector names, see beside the connectors on each Pcb where (1-1-3) check the peripherals of the power supplies connector names are silkscreen printed.

  • Page 83: Error Message Related To The Control Panel

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (1-2) error message related to the control panel 4.5.2.(2) Abnormal operations of the printer after the power is turned on Actions to be taken (2-1) Any operation does not start at all. check item...

  • Page 84: Abnormal Sound Is Heard

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Actions to be taken Actions to be taken check item check work check item check work at ng at ng (2-1-3) check the system connection (2-2-3) check the jumping phenomena of gear tooth. (Abnormal load of the consumable...

  • Page 85: Bad Odors Are Generated

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (2-3) bad odors are generated. 4.5.2.(3) Jam (3-1) error code numbers and locations of paper jams Actions to be taken check item check work at ng When paper jams in the printer, or when paper remains in the printer even after removal of...
  • Page 86 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL error error Message on the display screen sensor name(s) Message on the display screen sensor name(s) code code check the paper fed to the printer check the lower side of duplex unit open Tray 5 side cover...
  • Page 87 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL outline drawing of jam locations Error Code: 380, 390, 637 (1) If paper is set in the MP tray, remove it and close the tray. FD Stacker Full sensor EXIT3 sensor Sag sensor EXIT2 sensor...
  • Page 88 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (4) close the right side cover. Error Code: 381, 638, 639 Note! As the temperature of the fuser unit is high, carefully do the following. be sure to hold the handle to lift. When it is hot, wait until it cools down and start the work.
  • Page 89 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (3) If there is remaining paper in the fuser unit, pull up the fuser unit’s jam release (6) If there is no remaining paper in the fuser unit, pull up the fuser unit’s lock lever (blue).

  • Page 90: Decurl Unit

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (9) If paper winds around the decurl unit, remove the decurl unit and pull out the remainning paper. Note! Pay attention to don't drop into the printer when remove the screws. Decurl unit 4-45...
  • Page 91 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (10) set to the output unit and attach the screw. (11) Hold the fuser unit’s handle with both hands and set to the output unit. Note! Pay attention to don't drop into the printer when attach the screws.
  • Page 92 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (14) lift the opener and open the right side cover. (16) close the right side cover. Opener (15) slowly remove the remaining paper. (17) Put the output unit back into the printer. 4-47 45530603TH Rev.3...
  • Page 93 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Error Code: 382, 383, 389 (3) ensure to slowly pull the remaining paper in the opposite direction from the paper feeding direction. Note! As the temperature of the fuser unit is high, carefully do the following. be sure to hold the handle to lift.
  • Page 94 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (6) Hold the fuser unit’s handle with both hands and remove the unit onto a flat surface. Note! Pay attention to don't drop into the printer when remove the screws. (7) Pull up the fuser unit’s jam release levers (blue) and be sure to slowly pull out the remaining paper in the opposite direction from the paper feeding direction.
  • Page 95 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (9) set to the output unit and attach the screw. (10) Hold the fuser unit’s handle with both hands and set to the output unit. Note! Pay attention to don't drop into the printer when attach the screws.
  • Page 96 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Removing paper from the duplex unit (3) Put the duplex unit back into the printer. (1) Pull out the duplex unit. (2) Remove the remaining paper. 4-51 45530603TH Rev.3...
  • Page 97 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Error Code: 391, 392, 393, 394, 395, 631, 632, 633, 634, 635 (3) close Tray 1 side cover. example: In the case of Tray 1 (1) open the tray side cover indicated by the error code.
  • Page 98 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Error Code: 370, 371, 373, 640, 641, 642 (3) Put the duplex unit back into the printer. (1) Pull out the duplex unit, and detach it by slightly lifting with both hands. If jammed paper cannot be seen in the printer or duplex unit, put the duplex unit back into the printer and go to step (4).
  • Page 99 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (5) check inside of the printer and slowly remove the remaining paper. (8) Hold the knob, pull up the transfer roller unit, lift the paper guide, and remove the remaining paper. (6) If the tip of the remaining paper is not visible, pull up the fuser unit’s lock lever (blue).
  • Page 100 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (9) Hold the knob and push down the transfer roller unit. Decurl unit (10) If paper winds around the decurl unit, remove the decurl unit and pull out the remainning paper. Note! Pay attention to don't drop into the printer when remove the screws.
  • Page 101 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (11) set to the output unit and attach the screw. (12) Hold the fuser unit’s handle with both hands and set to the output unit. Note! Pay attention to don't drop into the printer when attach the screws.
  • Page 102 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (13) Push down the fuser unit’s lock lever (blue). Error Code: 375, 650 (1) Pull out the duplex unit and detach by slightly lifting it. (14) Put the output unit back into the printer.
  • Page 103 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (3) Put the duplex unit back into the printer. (4) Pull out the output unit and remove the remaining paper. If no paper remains in visible locations in the printer, follow the procedure below.
  • Page 104 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (5) If the tip of the remaining paper is not visible, pull up the fuser unit’s lock lever (blue). (7) Hold the knob, pull up the transfer roller unit, lift the paper guide, and remove the remaining paper.
  • Page 105 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (8) Hold the knob and push down the transfer roller unit. Decurl unit (9) If paper winds around the decurl unit, remove the decurl unit and pull out the remainning paper. Note! Pay attention to don't drop into the printer when remove the screws.
  • Page 106 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (10) set to the output unit and attach the screw. (11) Hold the fuser unit’s handle with both hands and set to the output unit. Note! Pay attention to don't drop into the printer when attach the screws.

  • Page 107: Paper Feed Jam (Error 391: 1St Tray)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Error Code: 384, 651 4.5.2.(4) Paper feed jam (Error 391: 1st Tray). (1) open the left side cover. (4-1) Jam occurs immediately after the power is turned on. (1st tray) Actions to be taken...

  • Page 108: Jam Occurs Immediately After The Paper Feed Is Started. (1St Tray)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (4-2) Jam occurs immediately after the paper feed is started. (1st tray) Actions to be taken check item check work at ng Actions to be taken check item check work (4-2-4) check the system connection...

  • Page 109: Feed Jam (Error 380)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(5) Feed jam (Error 380) (5-2) Jam occurs immediately after the paper feed is started. Actions to be taken (5-1) Jam occurs immediately after the power is turned on. check item check work at ng...

  • Page 110: Paper Feed Jam (Error 390: Mp Tray)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(6) Paper feed jam (Error 390: MP Tray) Actions to be taken check item check work at ng (6-1) Jam occurs immediately after paper feed is started. (Multipurpose tray) (5-2-4) check the system connection...

  • Page 111: Paper Running Jam (Error 381)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(7) Paper running jam (Error 381) Actions to be taken check item check work at ng (7-1) Jam occurs immediately after the power is turned on. (6-1-3) Motor operation check Actions to be taken...

  • Page 112: Jam Occurs Immediately After A Paper Is Taken Into Printer

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (7-2) Jam occurs immediately after a paper is taken into printer. Actions to be taken check item check work at ng Actions to be taken check item check work (7-2-4) check the system connection...

  • Page 113: Jam Occurs In The Middle Of Paper Running Path

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (7-3) Jam occurs in the middle of paper running path. (7-4) Jam occurs immediately after paper has reached the fuser. Actions to be taken Actions to be taken check item check work check item...

  • Page 114: Paper Unloading Jam (Error 382)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(8) Paper unloading jam (Error 382) (8-2) Paper unloading jam occurs after a paper is taken into printer. Actions to be taken (8-1) Paper unloading jam occurs immediately after the power is turned on.

  • Page 115: Paper Unloading Jam Occurs In The Middle Of Paper Running Path

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(9) Duplex printing jam (Errors 370, 371, 372, 373 and 383) Actions to be taken check item check work at ng (9-1) duplex printing jam occurs immediately after the power is turned on. (8-2-4)

  • Page 116: Duplex Printing Jam Occurs During Transporting Paper Inside The Duplex Unit

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(10) Paper size error (Errors 400 and 401) Actions to be taken check item check work at ng (10-1) Jam occurs when paper end is located near the In1 sensor. (9-2-3) check condition of the paper running path...

  • Page 117: (Service Calls 143-01: K, -02: C, -03: M, -04: Y, -05: W/Cl)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(11) ID unit Up / Down error 4.5.2.(12) Fuser unit error (Errors 167 to 173) (Service calls 143-01: K, -02: C, -03: M, -04: Y, -05: W/CL) (12-1) error occurs immediately after the power is turned on.

  • Page 118: Error Occurs Approx. 1 Minute After The Power Is Turned On

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (12-2) error occurs approx. 1 minute after the power is turned on. 4.5.2.(13) Motor fan error (Service calls 128-01 to 128-10 and 051) Actions to be taken (13-1) The low voltage power supply fan does not rotate immediately after the power is...

  • Page 119: Print Speed Is Slow. (Performance Is Low.)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(14) Print speed is slow. (Performance is low.) 4.5.2.(15) Duplex unit cannot be recognized. (14-1) Print speed decreases. (15-1) duplex unit cannot be recognized. Actions to be taken Actions to be taken check item...

  • Page 120: Option Tray Unit Cannot Be Recognized

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(16) Option tray unit cannot be recognized. 4.5.2.(17) LED head cannot be recognized. (Service Calls 134-01 to 134-05) (16-1) option tray unit cannot be recognized. (17-1) errors 131 to 134 (led HeAd Missing) Actions to be taken...

  • Page 121: Toner Sensor Error (Errors 5400 To 5405)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(18) Toner sensor error (Errors 5400 to 5405) Note! Toner sensor operation check method using the sWITcH scAn function of the self-diagnostic mode. (18-1) error caused by the consumable items. (1) How to check operation of the toner sensor at the printer side.

  • Page 122: Error Caused By The Defective Mechanism

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (18-2) error caused by the defective mechanism 4.5.2.(19) Humidity sensor error (Service call 123) Actions to be taken (19-1) Humidity sensor error check item check work at ng Actions to be taken check item...
  • Page 123 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Actions to be taken check item check work at ng (19-1-2) environment condition sharp change Is the environment condition changed sharply leave the printer of environment from a low temperature environment to a high...
  • Page 124 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.2.(20) Wiring diagram 2p×5 ID1 Intake ID5 Intake high voltage terminal discharging discharging discharging discharging discharging light light light light light 2p×4 Relay(3) Relay(3) AMP 3 AMP 3 AMP 3 AMP 3 AMP 3...

  • Page 125: Troubleshooting The Abnormal Images

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.3 Troubleshooting the abnormal images (1) color has faded-out and blurred entirely. (Refer to Figure 4-2 A) ....4-81 (1-1) color are faded-out and blurred............4-81 (2) stain on white print. (Refer to Figure 4-2 b) ...........4-82 (2-1) stain on white print (Partial stain).............4-82...

  • Page 126: Color Has Faded-Out And Blurred Entirely. (Refer To Figure 4-2 A)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.3.(1) Color has faded-out and blurred entirely. (Refer to Figure 4-2 A) Actions to be taken check item check work at ng (1-1) color are faded-out and blurred. (1-1-5) Id unit installation condition Actions to be taken...

  • Page 127: Stain On White Print. (Refer To Figure 4-2 B)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.3.(2) Stain on white print. (Refer to Figure 4-2 B) Actions to be taken check item check work at ng (2-1) stain on white print (Partial stain) (2-1-3) Intermediate transfer roller Actions to be taken...

  • Page 128: White Print (Refer To Figure 4-2 C)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.3.(3) White print (Refer to Figure 4-2 C) 4.5.3.(4) Black banding/black streaking in vertical direction (3-1) White print over entire page (4-1) Thin vertical line (with color) (Refer to Figure 4-2 d) Actions to be taken...

  • Page 129: Periodic Abnormalities (Refer To Figure 4-2 E)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.3.(5) Periodic abnormalities (Refer to Figure 4-2 E) 4.5.3.(6) Significant color misregistration (5-1) Periodic abnormality occurs in vertical direction (6-1) color misregistration occurs. Actions to be taken Actions to be taken check item check work...

  • Page 130: Solid Black Printing Over The Whole Page

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.3.(7) Solid black printing. 4.5.3.(8) Banding/streaking in vertical direction. (7-1) solid black printing over the whole page (8-1) banding/streaking in vertical direction (Refer to Figure 4-2 g) Actions to be taken Actions to be taken...

  • Page 131: White Dot Of Streaking In Horizontal Direction (Refer To Figure 4-2 I)

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.5.3.(9) White dot on printing. 4.5.3.(10) Stain of around Solid printing. (9-1) White dot of streaking in horizontal direction (Refer to Figure 4-2 I) (10-1) stain of around solid printing. (Refer to Figure 4-2 K)

  • Page 132: Network Troubleshooting

    Pc to a printer. address normally. (5) check the utilities. check setting of the check the setting items of the oKI lPR set the oKI lPR oKI lPR utilities. utilities. utilities setting items correctly.
  • Page 133 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL (2) Print speed is slow. (3) Web page is displayed partially. Actions to be taken Actions to be taken check item check work check item check work at ng at ng (1) check the lInK lamp.

  • Page 134: Fuse Check

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.6 Fuse check If any of the following errors occurs, check the corresponding fuse on the Pu/cu control Pcb Fuse name error description Insert Point Resistance or high voltage power supply board. １Ω or...
  • Page 135 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Second side fuse interrelation N36100A etc F1Y Rev2 +3.3VD Fuser Halogen ON circuit OFF/ON AUTOOFF_OK-P Soft SW OFFMODE-P R8C-CPU PU 3.3V Motor +24V SUBPWRON-P F2/ 3A +24VFA POWERSAVE-N Spot color PS_ON# PU 5V(OPE AMP etc)

  • Page 136: Component Side

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Printer control PCB - Fuse location component side 部品面 Fuse rating ヒューズ定格一覧 F20、Ｆ21未 実装 F10,F11,F12 4-91 45530603TH Rev.3...
  • Page 137 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Driver relay PCB - Fuse location component side 部品面 F1、F7 Control panel PCB - Fuse location 4-92 45530603TH Rev.3...
  • Page 138 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Duplex unit PCB/Option tray PCB - Fuse location F502 F501 Print head relay PCB - Fuse location F501 F502 4-93 45530603TH Rev.3...
  • Page 139 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL Spot color PCB - Fuse location 4-94 45530603TH Rev.3...
  • Page 140 4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL High-voltage power supply PCB - Fuse location F501 Low-voltage power supply PCB - Fuse location 4-95 45530603TH Rev.3...

  • Page 141: Paper Cassette Switches And Paper Size Correlation Table

    4. TRoublesHooTIng PRoceduRe Oki Data CONFIDENTIAL 4.7 Paper cassette switches and paper size correlation table (1) source tray switch Part no. 2052000P4000 Model no: Hs12-001 size bit no. TRAY1 ～ 5 no cassette A3 nobi,18" 17"(Tabloid) legal 14/13.5 legal 13...

  • Page 142: Oki Data Confidential

    Oki Data CONFIDENTIAL MAINTENANCE MENUS The Printer can be adjusted by using Maintenance Utility or button operation on its operation panel. On the panel, maintenance menus are provided in addition to general menus. Select the menu intended for each adjustment purpose.

  • Page 143: System Maintenance Menu (For Maintenance Personnel)

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.1 System maintenance menu (for maintenance personnel) This menu is activated when the power is turned with the BACK, OK and ON LINE buttons held down in the standby mode of the device, and then the window to enter the password is displayed.

  • Page 144: Maintenance Utility

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.2 Maintenance Utility The adjustments described in table 5-2 should be executed on using Maintenance Utility. Section in Operation from Maintenance operation panel Details on the utility are as follows: Item Adjustment Utility Operation...
  • Page 145 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Section in Operation from Section in Operation from Maintenance operation panel Maintenance operation panel Item Adjustment Item Adjustment Utility Operation (section in this Utility Operation (section in this manual maintenance manual) manual maintenance manual) 11 PU Log Stores PU log flies.

  • Page 146: User Maintenance Menu Functions

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3 User maintenance menu functions 5.3.1 Maintenance menu (for end-users) Item Settings Functions System Manual Timeout Sets the time to wait for feeding paper Some general menu categories are equivalent to the maintenance menus (but are different...
  • Page 147 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print MPTray X Adjust 0.00 millimeter To the paper fed from MP Tray, Print MPTray Overprint X 0.00 millimeter To the paper fed from MP Tray, +0.25 Adjusts the position of a whole printing +0.25...
  • Page 148 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print Tray1 Y Adjust 0.00 millimeter To the paper fed from Tray 1, Print Tray1 Overprint Y 0.00 millimeter To the paper fed from Tray 1, Adjust +0.25...
  • Page 149 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print Tray2 Duplex X 0.00 millimeter To the paper fed from Tray 2, Print Tray2 Overprint Y 0.00 millimeter To the paper fed from Tray 2, Adjust Adjust Adjust +0.25...
  • Page 150 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print Tray3 Duplex X 0.00 millimeter To the paper fed from Tray 3, Print Tray3 Y Scaling 0.00% For the paper fed from Tray3 Adjust +0.25 During the front-side printing of duplex...
  • Page 151 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print Tray4 Duplex Y 0.00 millimeter To the paper fed from Tray 4, Print Tray5 X Adjust 0.00 millimeter To the paper fed from Tray 5, Adjust Adjust Adjust +0.25...
  • Page 152 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print Tray5 Overprint X 0.00 millimeter To the paper fed from Tray 5, Print Trans. Black Setting Performs micro adjustment when visible Adjust Adjust +0.25 During the second printing of spot-color over...
  • Page 153 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print White To correct variations in print results Print BG Setting White To correct variations in print results Adjust Setting caused by temperature/humility Adjust caused by temperature/humility conditions and difference in print conditions and difference in print density/frequency.
  • Page 154 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Print Print Mode Normal Sets ENABLE/ DISABLE of printing Print Transfer Clear Lower a setting when a stand out white Adjust Slow with making a wider image space in...
  • Page 155 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Admin Panel Near Life Status Enable Sets the display control of LCD when a Admin Panel Panel Backlight Adjusts time (second) to apply the panel Timer Setup Setup...
  • Page 156 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Admin Time Time Setting 01/01/2000 Sets the time. Admin Others Resource Auto Sets resource saving area size. Setup Setup Setup 00:00 Date is displayed by the format Setup...
  • Page 157 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Item Settings Functions Admin Others Format Formats a specified partition. Admin Others Security Make Execute Enables the encryption function of data Setup Common Setup Secure Setup Setup Setup Setup stored in HDD.
  • Page 158 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Item Settings Functions Admin Others Cancel Short Sets an operation when pressing the Setup Setup Cancel Long job cancel button. Setup Behavior Short: Executes canceling a job by pressing bhte button (2sec. or less) Long: Executes canceling ajob by holding the button (2 sec.

  • Page 159: Self-Diagnostic Mode

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2 Self-diagnostic mode 5.3.2.1 Operation panel The following description on operating the self-diagnostic is provided, premised on the Image Drums, and, these motors and sensors concerned with each image drum are following operation panel layout: named to [Station] in this section (non-used color name).
  • Page 160 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL (1) Menu option display switching Hold down the BACK or ON LINE button or momentarily press the MENU LEVEL0 MENU button to display the option shown in a shaded area XXXX . Press the MENU...
  • Page 161 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL (1) Menu option display switching LEVEL1 Use the MENU or MENU button to select the option shown in a shaded area ( XXXXX ), and press OK to execute the option. Use OK to display the option shown in a non-shaded area ( XXXXX ), and use the MENU or MENU button to select the option.

  • Page 162: Normal Self-Diagnostic Mode (Level 1)

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.2 Normal self-diagnostic mode (Level 1) 5.3.2.2.1 Entering self-diagnostic mode (level 1) Note! Entering the System Maintenance mode requires a password. Refer to table The normal self-diagnostic mode menus are as follows: 5-1 for description on it.

  • Page 163: Switch Scan Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.3 Switch scan test The switch scan test is used for checking IN sensors and switches. 1. Enter the self-diagnostic mode (level 1) and, until “SWITCH SCAN” appears FD Stacker Full sensor on the upper display, press the MENU...
  • Page 164 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Waste toner full sensor JOBOFF Home sensor ID Up/Down sensor Environmental Sensor EXIT Cover sensor Toner cover open sensor Spot color Duct Switch Toner sensor Front cover switch Front cover open sensor FU Stacker cover sensor...
  • Page 165 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 5-3 SWITCH SCAN Detail Upper display Detail Lower display Detail Lower display Detail Lower display Detail Lower display Detail Lower display IN1 IN2 IN3 IN1 sensor H: No paper exists. IN2 sensor H: No paper exists.
  • Page 166 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Upper display Detail Lower display Detail Lower display Detail Lower display Detail Lower display Detail Lower display BF TAG * 1st TAG UID of UID: 2nd TAG UID of UID: the belt / fuser...
  • Page 167 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 5-4 Tray 1 to 5 CASETTE SIZE Paper Size Sensor Response Lower display TRAY PX753 T1 CASETTE SIZE No Cassette T2 CASETTE SIZE T3 CASETTE SIZE Tabloid T4 CASETTE SIZE T5 CASETTE SIZE Legal14/13.5...

  • Page 168: Motor And Clutch Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.4 Motor and clutch test Station 2 ID Intake Fan Station 1 ID Intake Fan Job offset Motor The motor and clutch test is used for testing motors and clutches. Station 3 ID Intake Fan...
  • Page 169 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table5-5 Panel Display Driven Unit Conditions for Driving Limitation Panel Display Driven Unit Conditions for Driving Limitation MPT MOTOR Hopping motor Rail Unit is closed. MPT clutch S1-ID MOTOR Station 1 ID motor, Low-voltage...

  • Page 170: Job Offset

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL ① Note! Display while ID UP/DOWN is in progress Panel Display Driven Unit Conditions for Driving Limitation MOTOR & CLUTCH TEST T2 LIFT_UP MOTOR Tray 2 lift-up motor The tray is removed. ID UP/DOWN ***...

  • Page 171: Test Print

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.5 Test print If an error is detected at the start of the test print or when executing the test print, the error is displayed on the panel and the test print is canceled.
  • Page 172 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 5-6 Test Print Pattern Display Settings Default Function Pattern No. Output pattern DUPLEX 3 PAGES STACK Sets the selection of the number of stacked sheets for duplex print. None (Blank paper) 3 PAGES STACK: Performs duplex print with...
  • Page 173 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 5-7-2 MEDIA WEIGHT Print Patterns (Cannot be used for print quality check.) Category Setting value Patterns 0 and 8 to 15 ... Prints blank sheet. MEDIA WEIGHT ULTRA LIGHT LIGHT MEDIUM LIGHT MEDIUM...
  • Page 174 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL • The following message appears when a test pattern is printed. S5TR=*.** P=*** W=*** S5TR: Station5 Transfer low-voltage setting value] Unit: KV] P: Number of test-print pages (Unit: sheets) S1R=*.** S2R=*.** W: Belt temperature wait time (Unit: seconds) S3R=*.** S4R=*.**...

  • Page 175: Color Registration Adjustment Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.6 Color registration adjustment test BELT=xxxx(***) The color registration adjustment test is used for adjusting color registration or investigating the cause(s) of color misregistration. BELT: xxxx = Belt temperature [Unit: ˚C] Chapter 2 about description on color registration adjustment should be followed for recovery (***) = Belt thermistor scanning AD value [Unit: HEX] from an error caused by the test.
  • Page 176 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL ③ Pressing the CANCEL button during the test cancels the test (turning on the Color registration correction test items ONLINE lamp), restoring the state of step 2. Display Detail <REG ADJ RESULT is performed>...
  • Page 177 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Displayed error name Contents Displayed error name Contents S1-SF RANGE(R) Detects an abnormal color-registration correction value in the right S3-FINE(L) Detects an abnormal color-registration correction value in the left position of S1 vertical-scanning fine adjustment...
  • Page 178 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Displayed error name Contents Upper line of the display Lower line of the display Details Memory S3-RANGE(H) Detects an abnormal color-registration correction value in S3 main- CRSE ADJ S2 [Y-L] ***, ***, *** Pattern detection value in the left...
  • Page 179 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL WRT POS ADJ EXE ERROR Contents Upper line of the display Lower line of the display Details Memory FINE ADJ S2 [Y-R] ***, ***, *** Pattern detection value in the right SRAM Displayed error name...

  • Page 180: Density Adjustment Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.7 Density adjustment test <When DENS ADJ RESULT is executed> Same as the operation of the ②button in the excuting of the 'DENS ADJ EXECUTE '. The density adjustment test is used for performing a density adjustment function test and displaying the result of it to judge whether the density adjustment mechanism is proper.
  • Page 181 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Density adjustment test items Displayed error name Contents SUB MENU Details STATION 4 ID ERROR2 Detects the out of focus of the LED head or dirt due to ID failure. STATION 5 ID ERROR2 Detects the out of focus of the LED head or dirt due to ID failure.
  • Page 182 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Upper line of the display Lower line of the display Details Memory Upper line of the display Lower line of the display Details Memory L_DUTY DENS-S2 V01=***HS01=***H 01-03:First processing for averaging SRAM DENSS2100%=*** H OD= **.****...

  • Page 183: Adjustment Of Media Thickness Sensor

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.8 Adjustment of Media Thickness Sensor Upper line of the display Lower line of the display Details Memory 1: ****V -***V D.P +***V -**V Upper left: Standard CH voltage SRAM This self diagnosis is used for adjusting the media Thickness sensor.
  • Page 184 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 1. Enter the self-diagnostic-mode(Level1) and, until the following message <WEIGHT SCAN ADJ EXEC is performed> appears, press the MENU or MENU button. ① The sensitivity adjustment of the media weight detection sensor starts and the lower line of the display starts blinking.
  • Page 185 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL EDIT THICKNESS DATA Selection Items * Set items are effective for this test mode only. (Not written in EEPROM) (Note 1) Up to the number of sheets set by “SAMPLE PAGE” of “EDIT THICKNESS DATA”...
  • Page 186 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Upper line of the display Lower line of the display Details Memory Upper line of the display Lower line of the display Details Memory PAPER SET=***um In the fourth sheet SRAM CALCULATED S N S _...
  • Page 187 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Upper line of the display Lower line of the display Details Memory Upper line of the display Lower line of the display Details Memory N-PAPER In the fourth sheet SRAM N-PAPER In the eighth sheet...

  • Page 188: Diagnostic Mode

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL ≪ Zero point adjustment of Media Thickness Sensor ≫ 2.Adjustment of Media Thickness Sensor 2-1.Adjustment portion 1.Enter the Adjustment menu 1-1.Enter PU menu Press the 「MENU+」,「MENU-」,「OK」,「BACK」 button together more than 5 sec and stop the press when appear the following display.

  • Page 189: Adjustment Of Paper Width Sensor

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.9 Adjustment of Paper Width Sensor (2) After the message to load the adjustment media is displayed, load the adjustment media on MPT and adjust the paper guide. At this time, make sure to move the guide This function is used to adjust the detection value of the MPT paper width sensor and from the outside to the inside.
  • Page 190 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Pressing the BACK button returns to the display of “WIDTH SNS ADJ RSLT”. 4. Repeat the step 2, as necessary. (7) Pressing the CANCEL button during the test cancels the test, restoring the state of 5.
  • Page 191 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 5-8-3 Panel display when paper sensor sensitivity adjustment (WIDTH SNS ADJ Table 5-8-5 PAPER WIDTH ADJ RSLT EXE) ends Upper line of Lower line of Details Memory Upper line of the Lower line of the display...

  • Page 192: Consumable Counter Display

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.10 Consumable counter display Upper line of the Lower line of the Format Unit Details display display The consumable counter display is used for viewing the usage of consumables. S1-TONER ******** % Displays the usage of toners of each color.

  • Page 193: Print Counter Display

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.11 Print counter display 5.3.2.12 Factory-Shipping mode switching The print counter display is used for viewing print counter values. The Factory-Shipping mode switching is used for switching from the Factory to Shipping mode. 1. Enter the self-diagnostic mode and, until PRINTER STATUS appears, press 1.

  • Page 194: Self-Diagnostic Function Setting

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.13 Self-diagnostic function setting SENSOR SETTING Items Setting value Operation of the setting value Details The self-diagnostic function setting is used for enabling or disabling the error detection by sensors. TONER ENABLE Enables detection.

  • Page 195: Led Head Serial Number Display

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.14 LED head serial number display 5.3.2.15 Drum Manual Cleaning The LED head serial number display is used for viewing whether downloaded data about This function is used for cleaning drums by wiping with alcohol when drum filming occurs.

  • Page 196: Error Code Display

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.16 Error code display The Error code display is used for display the error code of the error occurred, and distinction the factor of the error. 1. Enter the self-diagnostic mode and, until “ERROR CODE” appears, press the MENU or MENU button.

  • Page 197: Printing On Stand-Alone Basis

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.3 Printing on stand-alone basis 5.3.4 Button-pressed functions at power-on This printer can print the following printing on a stand-alone-basis. Each button function when the printer is turned on is as follows. With the following buttons, the upper line of LCD shows “RAM CHECK”...

  • Page 198: Setup After Part Replacement

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.4 Setup after part replacement The following describes the adjustments necessary after part replacement: When the information of EEPROM on PU cannot be taken out, make a setting of the serial number on PU (Maintenance utility operation manual, section 2.4.1.1.9.5) and a setting of switching to the Shipping mode (Maintenance utility...
  • Page 199 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL • The PU serial number is ten digits from the SAP serial number. The rest two Note! Replacing the EEPROM (the PU control board) with a new one clears life digits are the revision number.

  • Page 200: Manual Density Adjustment Setting

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.5 Manual density adjustment setting This printer is shipped with the auto density adjustment mode enabled. When the mode is disabled by a user, the printer may print density out of adjustment while being used.

  • Page 201: Boot Menu List

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.6 Boot Menu List To display Boot Menu, turn on the printer while holding down the ENTER button. Memo Displaying Boot Menu requires entry of a password. The password defaults to six as (aaaaaa).

  • Page 202: Oki Data Confidential

    Oki Data CONFIDENTIAL REPLACEMENT OF PARTS This chapter describes the procedures of the field replacement of parts, assemblies and units. The procedures are to detach them. Reverse the procedures to attach them. The reference part numbers used in this manual (such as ) do not identical to the part numbers in the maintenance disassembly configuration diagram 45530601TL and the RSPL 45530603TR.

  • Page 203: Notes On Replacement Of Parts

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.1 Notes on replacement of parts (1) Prior to replacing a part, unplug the AC cable and the interface cable. (2) Do not disassembly the printer so long as it operates properly. (a) Be sure to use the following procedure to unplug the AC cable: (3) Minimize disassembly.

  • Page 204: Maintenance Tools

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Maintenance Tools: Table 6-1-2 shows the tools necessary to use Maintenance Utility software. Table 6-1-1 shows the tools necessary to replace printed-circuit boards and units in this priter. Table 6-1-2: Maintenance Tools Maintenance Tool...

  • Page 205: Part Replacement Procedure

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2 Part replacement procedure 6.2.2 Image Drum This section describes the procedure for replacing the parts and assemblies shown in the disassembly diagram. (1) Open the front cover. 6.2.1 Toner Cartridge (1) Open the Toner change cover.
  • Page 206 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Note! ・Ensure not to touch or damage the drum. (2) Gently lift the handle (blue) upwards, and remove the photoreceptor from the lower side taking care that your hand does not touch the drum on the lower side (green ・Do not expose the image drum cartridge to direct sunshine and strong light...
  • Page 207 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.3 Belt Unit (1) Open the Front cover. Note! The Belt Unit with a transfer roller for the spot color printing that is attached into the Belt Unit of the 5 colors machine is not attached into the 4 colors machine in the factory shipping.
  • Page 208 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (3) Rotate the center lever (blue) to the right. Note! Should not be put the belt unit that have you removed in a vertical direction. (4) Rotate the belt unit lock lever knobs (blue / two pieces at left and right) to the left, Note! Ensure not to touch or damage the Belt surface.

  • Page 209: Transfer Roller Unit

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.4 Transfer roller unit (2) Pull up both tips of the transfer roller unit's lock levers (blue). (1) Pull out the EJ-Rail unit. (3) Hold the transfer roller unit's label parts (blue) and remove it.

  • Page 210: Fuser Unit

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.5 Fuser unit (2) Pull up the fuser unit's lock lever (blue). (1) Pull out the EJ-Rail unit. (3) Hold the fuser unit's handle with both hands and remove it. 45530603TH Rev.3...

  • Page 211: Waste Toner Box

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.6 Waste toner box (2) Remove the waste toner box from the printer. (1) Open the front cover. 6-10 45530603TH Rev.3...
  • Page 212 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Warp the claw of front side and remove the front side of LED Head ① . 6.2.7 LED Head (5)-1 (1) Detach the Image Drum and Belt Unit.(Refer to section 6.2.2 and 6.2.3) (2) Remove the Cover-Assy-Front.(Refer to section 6.2.18)

  • Page 213: Back Side

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL [Assembling process] (①) (1) Pull out the Head Cable to the left of LED head. (2) Hitch the calw of back, and warp the holder by LED head, and hitch the claw of front side.
  • Page 214 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.8 Cassette-Assy / Guide-Assy-Tail / Label-Tray / <<Fuse check of the Main PCB(Board-F1X, Board-F1Y)>> Power on after the check below. Indicator-Paper-Size W,CL : F1 is conduction state on Board-F1X. (1) Remove the Cassette-Assy ① .
  • Page 215 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.9 Cover-Assy-TC 6.2.10 Cover-Assy-OP-Panel (1) Open the Cover-Assy-TC and detach the Toner cartridge. (Refer to section 6.2.1) (1) Open the Cover-Assy-TC and front cover. (Refer to section 6.2.1) (2) Remove the four screws (black)(8mm) ① and remove the Cover-Assy-TC ② .
  • Page 216 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.11 Lever-Stacker-Full 6.2.12 Eject-Assy-Joboff/Motor-Joboff (1) Remove the Cover-Assy-OP-Panel.(Refer to section 6.2.10) (1) Remove the Lever-Stacker-Full. (Refer to section 6.2.11) (2) Remove the screw ① and remove the HDD cover ② . (2) Remove the photo sensor and disconnect the cable.
  • Page 217 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.13 Guide-Assy-Eject-M 6.2.14 Sheet-OP-Panel/Plate-Logo/Plate-Name (1) Open and remove the Cover-Assy-Jam-Clear ① . (1) Remove the Sheet-OP-Panel ① . (2) Remove the Plate-Name ② . (2) Remove the Cover-Rear.(Refer to section 6.2.11) (3) Remove the Plate-Logo ③ .

  • Page 218: Duplex Unit

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.15 Cover-Assy-Top-B 6.2.16 Duplex-Unit Note! The Duplex-Unit with a 2-pass roller for the 2-pass printing that is attached (1) Remove the Toner cartridge and Image Drum. (Refer to section 6.2.1,6.2.2) into the Duplex-Unit of the 5 colors machine is not attached into the 4 colors (2) Remove the Eject-Assy-Joboff.

  • Page 219: Cover-Assy-Front

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.17 Duplex-Board(Board-FIT-1) 6.2.18 Cover-Assy-Front (Duplex unit control PCB) (1) Open the Cover-Assy-Front ① . (2) Remove the screw(silver)(6mm) ② and remove the Cover-In-B ③ . (1) Remove the Duplex-Unit. (Refer to section 6.2.16) (3) Disconnect the three connectors.
  • Page 220 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.19 Filter-Front / Motor-FAN / Board-F1E(External 6.2.20 Board-F1D(Driver relay PCB) / Board-F1Y(PU/ LED PCB) CU PCB) / Board-F1X(Spot color PCB) / Board- Memory / FAN (1) Remove the Cover-Assy-Front.(Refer to section 6.2.18) (2) Remove the two screws(black)(8mm) ① and remove the Cover-cable ② .

  • Page 221: Board-Ahv( High-Voltage Power Supply Pcb)

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.21 Board-AHV( High-voltage power supply PCB) 6.2.22 Motor-Assy-ID (1) Remove the Board-F1Y and Board-F1X.(Refer to section 6.2.20) (1) Remove the Plate-Cover-MainPCB and Plate-Shield-F1D.(Refer to section 6.2.20) (2) Remove the Guide-Cable-POWDRV ① . (2) Remove the screw(silver)(6mm) ① and Guide-Cable-FFC ② .

  • Page 222: Board-Ahr(High-Voltage Relay Pcb)

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.23 Board-AHR(High-voltage relay PCB) 6.2.24 Board-TAGRW/FFC-Cable/Motor-FAN (1) Remove the Motor-Assy-ID.(Refer to section 6.2.22) (1) Remove the Plate-Box-MainPCB.(Refer to section 6.2.21) (2) Remove the ten screws(silver)(6mm) ① and remove the Board-AHR ② . (2) Remove the Guide-Cable-FFC.(Refer to section 6.2.22) (3) Remove the screw(silver)(6mm) ①...

  • Page 223: Paper Size Sensor

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.25 Low-Voltage-Power-Unit/Low-Voltage-FAN/ 6.2.26 Paper size sensor Geard-Motor (1) Remove the Cassette-Assy.(Refer to section 6.2.8) (2) Remove the Board-Power-Assy.(Refer to section 6.2.25) (1) Remove the Plate-Cover-MainPCB.(Refer to section 6.2.20) (3) Disconnect the connector. (2) Remove the three screws(silver)(8mm) ① and remove the Cover-Rear-Bottom ② .
  • Page 224 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.27 Belt-Drive-Assy/Fuser-Drive-Assy/Belt-Mini- 6.2.28 MPT-Unit Pitch (1) Open the MPT. (2) Open the Cover-Front. (1) Remove the Motor-Assy-ID.(Refer to section 6.2.22) (3) Remove the Cover-Rear.(Refer to section 6.2.11) (2) Remove the Motor-FAN.(Refer to section 6.2.24) (4) Remove the screw(silver)(6mm) ①...
  • Page 225 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.29 Hopper-Assy/Board-F1S(MPT relay PCB) 6.2.30 Clutch(Feeder-Assy) (1) Remove the MPT-Unit.(Refer to section 6.2.28) (1) Remove the MPT-Unit.(Refer to section 6.2.28) (2) Remove the four screws(black)(8mm) ① and remove the two Boss-Hopper ② .
  • Page 226 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.31 Frame-Assy-TC/Frame-Assy-TC-R (1) Remove the Cover-Assy-Top-B.(Refer to section 6.2.15) (2) Remove the Plate-Shield-F1D.(Refer to section 6.2.20.) (3) Disconnect four cables and spot color kit connector. ⑤ ×20 ⑥ ×4 ① ×2 ③ ×2 ②...
  • Page 227 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ≪ Attention of assembling ≫ 6.2.32 Plate-Fix-Pivot Attach the Lock out of TC, when assembling Frame-Assy-TC/Frame-Assy-TC-R. (1) Remove the Frame-Assy-TC-F and Frame-Assy-TC.(Refer to section 6.2.31) (2) Remove the Plate-Fix-Pivot ① . Example. Case Cyan...
  • Page 228 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.33 Board-F1H(Print head power relay PCB) / 6.2.34 Motor-Assy-Geard Board-MFH(Environmental sensor PCB) (1) Remove the Frame-Assy-TC and Frame-Assy-TC-R.(Refer to section 6.2.31) / Board-F1G(Tag terminal PCB) / Board- (2) Remove the two screws(black)(8mm) ① and remove the Geard-Motor ② .
  • Page 229 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.35 EJ-Rail-Unit 6.2.36 Guide-Assy-Eject-Lower-SP / Frame-Assy-TR2 / Decurl-Assy (1) Pull out the EJ-Rail-Unit ① . (2) Remove the four E-type ring ② and remove the EJ-Rail-Unit ① . (1) Remove the EJ-Rail-Unit.(Refer to section 6.2.35) ②...
  • Page 230 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ≪ Attention of assembling ≫ 6.2.37 Gear-Assy-Oneway-Z33/Gear-Assy-Oneway- Attach the Lock out of Fuser, when assembling LSD-Unit. Z33-R/Board-F1L(Rail unit relay PCB) (1) Remove the LSD-Unit.(Refer to section 6.2.36) (2) Remove the Cover-PCB-LSD ① .
  • Page 231 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.38 Slide-Rail-Assy 6.2.39 Roller-Assy-Regist-2/Roller-Assy-Synchro/ Regist-Sensor-Assy_753 (1) Remove the EJ-Rail-Unit.(Refer to section 6.2.35) (2) Remove the three screws(silver)(6mm) ① and remove the Rail-Assy-R ② . (1) Remove the Cover-Top.(Refer to section 6.2.15) (3) Remove the three screws(silver)(6mm) ③ and remove the Rail-Assy-L ④ .

  • Page 232: Waste Toner Full Sensor Board-F1N(Toner Low Sensor Pcb)

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.40 Waste toner full sensor Board-F1N(Toner Low 6.2.41 Motor-Assy-Regist sensor PCB) (1) Remove the Roller-Assy-Regist-2/Roller-Assy-Synchro/Regist-Sensor-Assy_753. (Refer to section 6.2.39) (1) Remove the Roller-Assy-Regist-2/Roller-Assy-Synchro/Regist-Sensor-Assy_753. (2) Remove the four screws(silver)(6mm) ① and remove the Motor-Assy-Regist ② .
  • Page 233 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.42 Connector-Assy-Fuser 6.2.43 Hopping-Unit (1) Remove the Guide-Assy-Eject.(Refer to section 6.2.13) (1) Remove the MPT-Unit.(Refer to section 6.2.28) (2) Remove the two Round-head screws(black)(6mm) ① and remove the Frame-Duct- (2) Remove the two screws(silver)(6mm) ① and remove the Cover-Side-R ② .
  • Page 234 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.44 Roller-Assy-Regist-T 6.2.45 Board-F1K(Cassette sensor relay PCB) (1) Remove the Hopping-Unit.(Refer to section 6.2.43) (1) Remove the Roller-Assy-Regist-T.(Refer to section 6.2.44) (2) Remove the two screws(silver)(6mm) ① and remove the Roller-Assy-Regist-T ② .

  • Page 235: Board-F1W(Soft Switch Pcb)

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.46 Board-F1W(Soft switch PCB) 6.2.47 Sensor-Assy-Front/Motor-FAN (1) Remove the Cassette-Assy and Cover-Assy-Front.(Refer to section 6.2.8,6.2.18) (1) Open the Cover-Front. (2) Remove the five Round-head screws(black)(6mm) ① and remove the Cover- (2) Remove the four claws and remove the Cover-In-A ① .

  • Page 236: Paper Feed Roller

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.2.48 Holder-Head-F/Holder-Head-R 6.2.49 Paper Feed Roller (1) Remove the LED Head and Plate-Assy-Top.(Refer to section 6.2.7,6.2.33) (1) Press and hold the power switch for approximately 1sec. to switch off the power supply. (2) Remove the four screws(silver)(6mm) ① and remove the two springs ② .
  • Page 237 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (3) Pull out Tray 1. (4) While expanding the claws of feed roller in outside direction, remove them from the axial. 6-36 45530603TH Rev.3...
  • Page 238 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Similarly, remove the remaining two paper feed rollers. 6-37 45530603TH Rev.3...

  • Page 239: Portions Lubricated

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 6.3 Portions Lubricated Portions lubricated are shown in this section. The other portions must not be lubricated. Lubrication is not required during assembly or disassembly, except that the lubricant specified must be applied to portions from which lubricant was wiped.
  • Page 240 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ① 45239501PA Motor-Assy-Joboff ② 45173601PA Retard Assy Class C Apply a normal amount of MOLYKOTE Apply a HARVES to the gear teeth and Shaft to the all over the gear Gear-Z50-Z20 Grease prohibition at the post.
  • Page 241 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ③ 45175001PA Plate-Assy-Retard ④ 45529101PA Plate-Assy-Motor-B Plate-Motor-B-Caulk Gear-Idle-Reg_Z41 Class C Apply a normal amount of MOLYKOTE Gear-Feed_Z20 to the gear teeth and Shaft Class C Apply a normal amount of MOLYKOTE to the all over the gear teeth 6-40 45530603TH Rev.3...

  • Page 242: Oki Data Confidential

    6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑤ 45176101PA Hopping-Assy ⑥ 45177901PA Roller-Regist-Sub Assy-T Gear-Regist:Immerse in HARVES Roller-Regist-1 Class C Apply a normal amount of MOLYKOTE to the inside of the E-ring groove Class C Apply a normal amount of MOLYKOTE to the inside of the E-ring groove Don’t apply a MOLYKOTE this area...
  • Page 243 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑦ -1 45180501PA Case-Cassette-Assy ⑦ -2 45180501PA Case-Cassette-Assy Plate-LU-Caulking Class B Apply a normal amount of MOLYKOTE In the state the Gear-Lift-Up is stayed at the top, put the grease to the tooth of it on the portion of Gear-Lift-Up engaging with the Gear-idle, and rotate one revolution of it.
  • Page 244 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑧ 45187301PA Plate-Assy.-Front ⑨ -1 45189701PA Belt-Drive-Assy BRACKET-BELT-CAULKING Class C Apply a small amount of MOLYKOTE to the all shaft Apply a MOLYKOTE from tip to 1/3 area of shafts Class A Apply a small amount of MOLYKOTE 6-43 45530603TH Rev.3...
  • Page 245 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑨ -2 45189701PA Belt-Drive-Assy ⑩ 45192101PA Fuser-Drive-Assy Gear-Idle-Belt Class C Gearse prohibition at Apply a normal amount the coupling portion of MOLYKOTE(EM30LP) to the all over the shaft PLATE-MOTOR-FU-Caulking Class F Apply a large amount of MOLYKOTE...
  • Page 246 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑪ 45194301PA MPT-Gear-Assy ⑫ -1 45192901PA Motor-Assy-Regist Class C Apply a normal amount of MOLYKOTE(EM30LP) to the all over the shaft Plate-Gear-Caulking Class C Apply a normal amount of MOLYKOTE to the all over the gear and shaft...
  • Page 247 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑫ -2 45192901PA Motor-Assy-Regist ⑬ 45199101PA PLATE-ASSY-SIDE-RA Class C Apply a normal amount of MOLYKOTE(EM30LP) to the all over the shaft and gear Plate-Assy-Side-RA Apply a HARVES to the Gearse hole and R portion. (by brush)
  • Page 248 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑭ 45171801PA Motor-Assy-Geard ⑮ 45206601PA Motor-Assy-ID Motor-DC(Geard)-Cab Gearse Gear-Worm-TS Gear-B prohibition at the shaft of motor Class F Grease prohibition at the Apply a large amount of shaft/bore of the gear MOLYKOTE to all over the gear...
  • Page 249 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑯ 45207501PA Gear-Assy-DV ⑰ 45209301PA Shaft-Assy-Drum Grease prohibition at the coupling Class C Apply a normal amount of MOLYKOTE (EM-30LP) to the Ball Class A Apply MOLYKOTE (EM-30LP) to portions of the shaft...
  • Page 250 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑱ 45221401PA Feeder-Assy ⑲ 45228601PA Roller-Assy-Regist-2 Boss-Coupling-HM Class C Apply a normal amount of MOLYKOTE (EM-30LP) to the D-cut of the Post Plate-Base-MPT-Caulking Gear-CL-Z28 Apply a HARVES Apply a HARVES Class C Apply a normal amount...
  • Page 251 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑳ 45228701PA Roller-Regist-Subassy-R2  45230601PA Roller-Assy-Synchro Gear-Regist:Immerse in HARVES Roller-Regist-2 Don’t apply a MOLYKOTE this area Class C Class C Apply a normal amount Apply a normal amount of MOLYKOTE(EM-30LP) of MOLYKOTE(EM-30LP) to the inside of the E-ring groove...
  • Page 252 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  45230701PA Roller-Regist-Subassy-S  45231901PA Regist-Sensor-Assy Gear-Regist:Immerse in HARVES Roller-Regist-2 Don’t apply a MOLYKOTE this area Class C Class C Apply a normal amount Apply a normal amount of MOLYKOTE(EM-30LP) of MOLYKOTE(EM-30LP) to the inside of the E-ring groove...
  • Page 253 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -1 45233601PA Guide-Assy-Eject-M_753-C1  -2 45233601PA Guide-Assy-Eject-M_753-C1 Class C Apply a normal amount of MOLYKOTE(EM-30LP) to the all over the gear Gear-Eject-Z17-Duct Bush Plate-Eject-ML Class C Apply a normal amount of MOLYKOTE...
  • Page 254 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -1 452862xxPA EJ-Rail-Unit  -2 452862xxPA EJ-Rail-Unit Class C Apply a HARVES to the slider link Apply a normal amount of MOLYKOTE(EM-30LP) 2places Class C Apply a normal amount of MOLYKOTE(EM-30LP) 2places 6-53 45530603TH Rev.3...
  • Page 255 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -1 452910xxPA LSD-Unit  -2 452910xxPA LSD-Unit Class F Apply a normal amount Class C of MOLYKOTE(EM-30LP) Apply a normal amount to the all over the gear of MOLYKOTE(EM-30LP) Class C Class C...
  • Page 256 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -1 452917xxPA Frame-Assy-LSD  -2 452917xxPA Frame-Assy-LSD Class C Apply a normal amount of MOLYKOTE(EM-30LP) to the gear Gear-D-Z15 Bush Bearing-Regist Class C Apply a normal amount of MOLYKOTE (EM-30LP) to the bush(2 places) Gear-Puressure Gear-Regist Class C Apply a normal amount of  Bush MOLYKOTE(EM-30LP) to  Bearing-Regist the gear(2 places)
  • Page 257 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -3 452917xxPA Frame-Assy-LSD  45246501PA Decurl-Assy Class C Apply a normal amount of MOLYKOTE(EM-30LP) Roller-Sponge-Decurl Gear-Z17-Decurl Class C Apply a normal amount of MOLYKOTE(EM-30LP) to inside of the Bearing. Apply from opposite side of flange.
  • Page 258 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -1 45241101PA Frame-Assy.-TR2  -2 45241101PA Frame-Assy.-TR2 Gear-Idle-TR2 Class C Worm-TR2 Apply a normal amount of MOLYKOTE(EM-30LP) to the shaft Shaft-Assy.-TR2 Apply a HARVES Apply a HARVES Gear-Idle-TR2 Apply a HARVES Cam-Drive-TR2...
  • Page 259 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -3 45241101PA Frame-Assy.-TR2  -1 45235201PA Guide-Assy-Eject-Lower Shaft-Eject-Roller(Lower) x2 EM-30L Class E Apply a large amount of MOLYKOTE (EM-30LP) to the gear Class C Apply a normal amount of FLOIL(GE-334C) to the inside of bush...
  • Page 260 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  -2 45235201PA Guide-Assy-Eject-Lower  45238101PA JobOff-Assy Class C Apply a normal amount of MOLYKOTE(EM-30LP) to the gear and shaft Gear-Eject-Z17-SH x 2 Class C Apply a normal amount of MOLYKOTE (EM-30LP) to the gear and shaft...
  • Page 261 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  45240001PA Roller-Assy-Offset  45264701PA Box-Assy-Waste Bush Apply a HARVES Apply a HARVES Callar-Stacker Class C Apply a normal amount of MOLYKOTE (EM-30LP) to the gear Gear-Drive_Z20 35mm 35mm GEAR-SPIRAL Apply a HARVES...
  • Page 262 6. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL  451705XX Plate-Base-Assy  45182601 Cover Assy-TC(2 sets) (Same as Option-Tray/LCF/Caster-Tray) Frame-Hinge-TC Shaft-Hinge Bracket-Hinge-TC Apply a HARVES to inside of the hole and R portion (by brush) Frame-SP Class C Apply a normal amount of...

  • Page 263: Oki Data Confidential

    Oki Data CONFIDENTIAL PERIODIC MAINTENANCE Cleaning ...................7-2 Cleaning the LED lens array .............7-3 Cleaning feed rollers ..............7-8 Cleaning feed rollers of the Multi-purpose Tray .......7-10 Cleaning Belt Unit ..............7-13 Cleaning Pinch rollers .............7-14 Cleaning Transfer roller unit and paper feeding route ....7-15...

  • Page 264: Cleaning

    7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL 7.1 Cleaning Clean the inside and outside of the printer with a waste cloth and a handy vacuum cleaner when necessary. Note! Do not touch the image drum terminals, LED lens array and LED head connectors.

  • Page 265: Cleaning The Led Lens Array

    7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL 7.2 Cleaning the LED lens array Cleaning the LED head Clean the LED lens array when a vertical (same as the paper transportation direction) white belt or line (falling out as white or dilute printing) on prints.
  • Page 266 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (3) open the front cover. (5) Remove the waste toner box from the printer. (4) Gently lift the handle (blue) upwards, and remove the photoreceptor from the lower side taking care that your hand does not touch the drum on the lower side (green cylindrical section).
  • Page 267 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (6) Push the center lever (blue) to the right. Note! • Carefully remove the belt unit so that waste toner does not spill. • never place the removed belt units upright. (7) Rotate the belt unit left/right lock lever knobs (blue) to the left, and pull the lock lever to front-side.
  • Page 268 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (9) Gently wipe the surface of the LED head with soft tissue paper or cloth. Note! Ensure not to touch or damage the Belt surface. (11) Raise the belt unit left/right lock lever, rotate the lock lever knob (blue) to the right to lock.
  • Page 269 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (13) Set the waste toner box into the printer. Note! Be careful not to touch or damage the drum. (14) align the arrow label (red) on the image drum with the one on the printer, slowly insert in the slot taking care that your hand does not touch the photoreceptor (green) below, and firmly push it inside.

  • Page 270: Cleaning Feed Rollers

    7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL 7.3 Cleaning feed rollers When a paper jam occurs frequently, clean the feed rollers. (4) Pull out the casette of the Tray 1. Note! Use a soft cloth for cleaning so as not to damage the roller surface.
  • Page 271 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (6) install the casette to Tray 1. (7) Turn on the main power supply, and press the power switch to boot the printer. 45530603TH Rev.3...

  • Page 272: Cleaning Feed Rollers Of The Multi-Purpose Tray

    7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL 7.4 Cleaning feed rollers of the Multi-purpose Tray (1) Press and hold the power switch for approximately 1 sec. to turn off the power (3) Pull up the opener and open the right side cover.
  • Page 273 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (4) While pressing the claw of the feed roller ① outward, remove it from the shaft. (5) Lift Section a. ❶ ❷ (6) Wipe off the dirt on feed rollers (2 places) and on the separator with the moist soft cloth.
  • Page 274 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (8) Fit the feed roller ① on the shaft and push it all the way to the end while rotating it. (10) Turn on the main power supply, and press the power switch to boot the printer.

  • Page 275: Cleaning Belt Unit

    7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL 7.5 Cleaning Belt Unit When a dirty by grease etc, clean the Belt Unit. (1) Remove the Belt unit refer to the section 7.2. Note! • Carefully remove the belt unit so that waste toner does not spill.

  • Page 276: Cleaning Pinch Rollers

    7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL 7.6 Cleaning Pinch rollers (1) Clean the pinch rollers with a soft cloth or tissue when any foreign materials adhered on the pinch rollers. if the foreign materials are harden, clean easily after printing.

  • Page 277: Cleaning Transfer Roller Unit And Paper Feeding Route

    7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL 7.7 Cleaning Transfer roller unit and paper feeding route When a dirty the top or bottom of output paper, clean the Transfer unit and paper feeding (3) Lift the opener of the output unit and pull out the output unit.
  • Page 278 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (5) Hold the fuser unit’s handle with both hands and remove the unit onto a flat surface. (7) Hold the transfer roller unit's label parts (blue) and remove it. (6) Pull up both tips of the transfer roller unit's lock levers (blue).
  • Page 279 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (9) Wipe off the dirt on transfer roller unit with the soft tissue. (11) Push down the transfer roller unit’s lock lever (blue). Note! • Be careful not to touch or damage the transfer roller.
  • Page 280 7. PERioDiC MainTEnanCE Oki Data CONFIDENTIAL (13) Push down the fuser unit’s lock lever (blue). (14) Put the output unit back into the printer. 7-18 45530603TH Rev.3...

  • Page 281: Connection Diagrams

    Oki Data CONFIDENTIAL CONNECTION DIAGRAMS Resistance value check .............8-2 Parts location ................8-9...

  • Page 282: Resistance Value Check

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.1 Resistance value check Unit Electrical circuit diagram, connection Part outside view Resistance value Tray lift-up motor (also used by Between pin-1 and pin-2: Several decades Ω option trays) Between pin-1 and pin-2: Several decades Ω...
  • Page 283 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Across both ends of each fuse: 1 Ω or less Fuser motor Fuses IP1 and IP2 Belt motor Fuse F1 Across both ends of the fuse: 1 Ω or less Hopping motor Between pin-1 and pin-2: Several Ω...
  • Page 284 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Between pin-1 and pin-2: Several Ω Feed motor Between pin-3 and pin-4: Several Ω Between pin-1 and pin-2: Several Ω Job offset motor Between pin-3 and pin-4: Several Ω...
  • Page 285 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Between pin-1 and pin-2: Several Ω DUPLEX motor 1 Between pin-3 and pin-4: Several Ω Clutch Hopping clutch (also used by Between pin-1 and pin-2: Approx. 240 Ω...
  • Page 286 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Clutch MPT clutch Between pin-1 and pin-2: Approx. 240 Ω Clutch DUPLEX hopping Between pin-1 and pin-2: Approx. 240 Ω clutch Solenoid DUPLEX separator Between pin-1 and pin-2: Several decades Ω...
  • Page 287 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Solenoid 2-pass solenoid Between pin-1 and pin-2: Several decades Ω Solenoid ID up/down Between pin-1 and pin-2: Several decades Ω solenoid Heater (normal temperature) Between pin-1 and pin-2: Several decades Ω...
  • Page 288 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Connector at low-voltage power supply Connection Pin assignment cable Fuser Upper (sheet heater) 800W Low-voltage Thermostat B04B-VYHSK-D-1 VYHP-04VD power supply LINE Upper (sheet heater) 400W Upper NEUTRAL Choose CZHR-07V-S (crimped) or CZHR-07V (pressure welded).

  • Page 289: Parts Location

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.2 Parts location (1) Print engine controller PCB(PU/CU PCB) (for 5-color models) Component side Soldering side 454571xx R1625 R1627 C808 R1624 R1626 C807 C960 C1008 C796 C963 C795 R1069 R1533 R1532 R1531 R713 R712...
  • Page 290 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (2) Print engine controller PCB(PU/CU PCB) (for 4-color models) Soldering side Component side 454571xx R1625 R1627 C808 R1624 R1626 C807 C960 C1008 C796 C963 C795 R1069 R1533 R1532 R1531 R713 R712 R711 R710 C703...

  • Page 291: Component Side

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (3) Spot color PCB Component side Soldering side HEAD0̲S0 24 23 14 13 R116 R598 C661 Q501 C652 R572 R569 R566 R563 C618 R560 R559 R556 C640 R555 C617 R109 C647 R554 R102 R553...
  • Page 292 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (4) Driver relay PCB Component side Soldering side POW24 R138 R158 R159 R177 R178 R180 R181 R109 R110 R111 R112 DRIVE0 8-12 45530603TH Rev.3...

  • Page 293: Duplex Unit Pcb

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (5) Duplex unit PCB Component side Soldering side JP38 JP65 JP66 JP42 JP43 JP54 JP27 JP48 JP51 JP46 JP56 JP16 JP64 JP47 JP33 JP34 JP29 JP23 JP24 JP25 JP32 JP49 JP11 JP13 JP14 JP10...
  • Page 294 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (6) Option tray PCB Component side Soldering side JP38 LIFT JP65 JP66 JP42 JP43 JP54 JP27 JP48 JP51 JP46 JP56 JP16 JP64 JP47 JP33 JP34 JP29 JP23 JP24 JP25 JP32 JP49 JP11 JP13 JP14...

  • Page 295: Control Panel Pcb

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (7) Control panel PCB Soldering side Component side SW501 SW511 SW515 SW519 SW505 SW508 R505 SW520 SW512 SW516 SW504 SW502 SW509 SW513 SW517 SW507 SW506 SW510 SW514 SW518 SW503 Board-F1Q GASKET2 GASKET1 453456xx 453456xx...
  • Page 296 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (8) External LED PCB (10) Print head power relay PCB HPOW1 HPOW0 HPOW2 451093xx (9) Tag terminal PCB Board-F1H REF1 450850xx HPOW4 HPOW3 8-16 45530603TH Rev.3...
  • Page 297 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (11) Cassette sensor relay PCB (13) Toner-low sensor PCB LIFT TRP1 LED1 450854xx NEAREND F1N- 450853xx CASSNS (14) MPT relay PCB (12) Rail unit relay PCB Board-F1S (15) Soft switch PCB SNS1 SNS3 449822xx...
  • Page 298 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (16) High-voltage power supply PCB Component side Soldering side R718 R724 D643 R910 R989 D642 R1023 D641 D592 R1082 R1081 R620 C560 R1254 R730 D538 R1080 R734 R1077 R1079 D588 R736 R748 R859 C628...
  • Page 299 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (17) Low-voltage power supply PCB (18) High-voltage relay PCB Board-AHR S401 S400 450409xx (19) Belt thermistor PCB 453455xx (20) Environmental sensor PCB HSNS 8-19 45530603TH Rev.3...

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