Oki MB760+ Maintenance Manual
  1. Manuals
  2. Brands
  3. Oki Manuals
  4. All in One Printer
  5. MB760+
  6. Maintenance manual
Oki MB760+ Maintenance Manual

Oki MB760+ Maintenance Manual

Hide thumbs Also See for MB760+:
Table of Contents

Advertisement

Quick Links

Download this manual
MB760 / MB760+ / MB770 / MB770+
MPS5502 / MPS5502+
(1 of 2) Printer Unit
013119N

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MB760+ and is the answer not in the manual?

Questions and answers

Related Manuals for Oki MB760+

Summary of Contents for Oki MB760+

  • Page 1 MB760 / MB760+ / MB770 / MB770+ MPS5502 / MPS5502+ (1 of 2) Printer Unit 013119N...

  • Page 2: Copyright Information

    Copyright Information Copyright © 2016 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: Oki Data Confidential

    • Unexpected mistakes may exist in the manual. Replace the whole board to replace the SU board (MHE). OKI will not assume any responsibility whatsoever for damage to the In the case of replacing batteries at board repairs, replace with the equipmentrepaired/adjusted/changed by the user etc with this manual.

  • Page 4: Table Of Contents

    Index Oki Data CONFIDENTIAL Index 1. Configuration .................1-1 2.4 Assembling method ..................2-5 2.4.1 Cable connect ....................2-5 1.1 System configuration ..................1-2 2.4.2 Optional part installation and confirmation ..........2-7 1.2 The Configuration of printer ................1-3 1.3 Options Parts ....................1-5 3. Compornent replacement ............3-1 1.4 Specifications ....................1-6...
  • Page 5 Index Oki Data CONFIDENTIAL 3.2.23 Eject-Assy ....................3-20 4.2.1.4 Motor clutch test .................4-8 3.2.24 DC motor (fuser) ..................3-22 4.2.1.5 Test print ...................4-10 3.2.25 Plate-Assy-Base / Plate-Assy-Side-L / Plate-Assy-Side-R.......3-22 4.2.1.6 Consumable item counter display ............4-13 3.2.26 Frame Assy.-Pickup ..................3-23 4.2.1.7 Number of print copies counter display ..........4-14 3.2.27 Paper feed rollers ..................3-24...
  • Page 6 Oki Data CONFIDENTIAL 6.5.5 Troubleshooting the abnormal images .............6-47 6.6 Fuse check ....................6-54 6.7 Paper cassette switches versus Paper size correspondence table ....6-55 7. Connection diagrams .............7-1 7.1 Resistance value check ..................7-2 7.2 Parts location ....................7-5 45387101TH Rev.14...

  • Page 7: Configuration

    Oki Data CONFIDENTIAL Configuration 1.1 System configuration ..............1-2 1.2 The configuration of printer ............1-3 1.3 Options Parts ................1-5 1.4 Specifications ................1-6 1.5 Interface specifications............1-14...

  • Page 8: System Configuration

    1. Configuration Oki Data CONFIDENTIAL 1.1 System configuration Fig. 1-1 represents the system configuration of the pritnter. REG1 REG2 Motor Clutch Solenoid Clutch Clutch (HB) DUPIN EXIT 80mm Rear 60mm  FAN  FAN DUPF Tray1 Fuser Motor Motor Motor ID Temp (24M)

  • Page 9: The Configuration Of Printer

    1. Configuration Oki Data CONFIDENTIAL 1.2 The configuration of printer The parts in the MB760 / MB770 are shown as below. • Electrophotography process mechanism • Paper feed path • Contorol parts (CU part/ PU part) • Operate panel •...
  • Page 10 1. Configuration Oki Data CONFIDENTIAL Fig. 1-2-2 1-4 / 45387101TH Rev.14...

  • Page 11: Options Parts

    1. Configuration Oki Data CONFIDENTIAL 1.3 Options Parts (4) LCF The optical parts for this printer are shown as below. (1) Optional tray (second tray / third tray /fourth tray*) *fourth tray :not support for Finisher model (2) Spacer (3) Caster Stand 1-5 / 45387101TH Rev.14...

  • Page 12: Specifications

    1. Configuration Oki Data CONFIDENTIAL 1.4 Specifications Fundamental specifications Category Item MB760 MB770 Operating environment During operation 10 °C to 32 °C,17 °C to 27 °C (Print Category Item MB760 MB770 (temperature) quality assurance temperature) Outside dimensions Width 522 mm During non-operation 0°C - 43°C, Power OFF...

  • Page 13: Printer Section Specifications

    1. Configuration Oki Data CONFIDENTIAL Printer section specifications Category Item MPS5502 / ES7170 Life Toner life Starter toner 36,000 pages Category Item MB760 MB770 (ISO / IEC19752) (supplied) Print width Print width A4 Letter Consumable 36,000 pages Engine Monochrome 47 / 49 ppm...
  • Page 14 1. Configuration Oki Data CONFIDENTIAL Category Item MB760 MB770 Category Item MB760 MB770 Life Image drum Simplex 100,000 pages (when printed continuously) Paper 1st/2nd/3rd/4th tray 64 g/m² to 220 g/m² life 72,000 pages (3 pages/job) thickness 64 g/m² to 250 g/m²...

  • Page 15: Scanner Section Specifications

    1. Configuration Oki Data CONFIDENTIAL Scanner section specifications Network specifications Item Item Scanner type Legal size flatbed with RADF Connection 10Base-T/100Base-TX/1000Base-T Image sensor Color CIS Communication protocol TCP/IP V4, TCP/IP V6, NetBIOS over TCP, Ether Talk, NetWare, LPR, Port9100, IPP, FTP, WSD-print, SMTP,...

  • Page 16: Copy Function

    1. Configuration Oki Data CONFIDENTIAL Copy function Categories Specs Copy Resolution Scan: 600 x 600dpi Print: 600x600dpi Document size Flat bed /RADF A4, A5, A6, B5, Executive, Letter, Legal13, Legal13.5, Legal14, Folio, 8.5" SQ Numeber of copies 1 to 999 pages...

  • Page 17: Fax Specifications

    1. Configuration Oki Data CONFIDENTIAL Fax specifications Category Item MB760 MB770 Communication Realtime Tx Category Item MB760 MB770 Function Instant Dial Tx (Quick General Function Compatibility ITU-T G3 Memory TX) Applicable Network PSTN Realtime Page Print Country Code Yes (26 Countries)
  • Page 18 1. Configuration Oki Data CONFIDENTIAL Category Item MB760 MB770 Category Item MB760 MB770 Security Function Junk Fax Protection Fax Local Print Activity Report Yes (Transmission /Reception Journal) Memory Only Yes (High security mode) Function Message Yes (Transmission Report) Reception Confirmation Report...

  • Page 19: Internet Fax

    1. Configuration Oki Data CONFIDENTIAL Internet Fax Category Item MB760 MB770 Security Junk Fax Protection Category Item MB760 MB770 Memory Only Function General Function Compatibility T.37 (Simple Mode) Reception T.37 (Direct SMTP Mode)* ID Check TX *by Service Code Setting...

  • Page 20: Interface Specifications

    1. Configuration Oki Data CONFIDENTIAL 1.5 Interface specifications (2) Cable 1.5.1 Specification of USB interface The length of the cable: the cable of less than 5m with USB 2.0 spec. (Less than 2m is recommended) 1.5.1.1 General of USB interface (Please use the shielded wire for the cable.)
  • Page 21 1. Configuration Oki Data CONFIDENTIAL 1.5.2 Specifications of network interface (2) Cable Non-shield twisted-pair cable with RJ-45 connector 1.5.2.1 General of network interface (Category 5e is recommended) Spec. 1.5.2.3 Signal of network interface Network Protocol TCP/IP sepc.: Network layer (1) Connector ARP , IP , ICMP , IPv6, IPSec Pin No.

  • Page 22: Telephone Line Interface Specification

    1. Configuration Oki Data CONFIDENTIAL 1.5.3 Telephone Line interface Specification 1.5.4 USB Host interface 1.5.3.1 Outline of telephone Line interface 1.5.4.1 Outline of USB Host interface The machine will reliably communicate with distant station over voice-level telephone line (1) Basic Specification 1.5.3.2 Telephone Line interface Connector and cable...

  • Page 23: Specification Of Acc Interface

    1. Configuration Oki Data CONFIDENTIAL 1.5.5 Specification of ACC interface 4) Connecting device Card reader (Option) 1) Connector Printer side: USB A receptacle (female) Downstream port UBA-4R-D14C2-4D(LF)(SN) (JST Mfg. Co.,Ltd) or equivalent Cable side: USB A plug (male) 2) Interface signals...

  • Page 24: Oki Data Confidential

    Oki Data CONFIDENTIAL Set up 2.1 Notes and precautions ..............2-2 2.2 Unpack method ................2-3 2.3 Setting method ................2-4 2.4 Assembling method ..............2-5...

  • Page 25: Notes And Precautions

    2. Set up Oki Data CONFIDENTIAL 2.1 Notes and precautions Warning Warning • Do not set it in any high-temperature locations or near any heat sources. • If the liquid such as water enters the MFP, please pull out the power plug from the outlet and contact the customer center.It may cause fire.

  • Page 26: Unpack Method

    2. Set up Oki Data CONFIDENTIAL 2.2 Unpack method Warning Personal injuries may occur. Because the weight of the MFP is approximately 55kg:Short model (68kg:Finisher model, 60kg:w/o Finisher model)(in a state of packing), it needs more than three adults to lift it up.

  • Page 27: Setting Method

    2. Set up Oki Data CONFIDENTIAL 2.3 Setting method Plan view • Set the MFP under these conditions. 10~32 ℃ Surrounding environment: 30cm Surrounding humidity: 20~80%RH (Relative humidity) 25 ℃ Highest wet bulb temperature: 100cm 60cm • Protect the MFP from dew formation.

  • Page 28: Assembling Method

    2. Set up Oki Data CONFIDENTIAL 2.4 Assembling method 2.4.1 Cable connect Connect the power cable. Note! Confirm that the power switch is turned to OFF " ○ ". Power condition (1) Insert the power cable into the MFP .

  • Page 29: Power Button

    2. Set up Oki Data CONFIDENTIAL Turn the power off. When do not use the MFP for long time Note! If you turn off the power without properly shutting down, it may cause damage to the Please explain to the customer about the following items.

  • Page 30: Optional Part Installation And Confirmation

    2. Set up Oki Data CONFIDENTIAL 2.4.2 Optional part installation and confirmation (1) Turn the MFP power to OFF and pull out the power cord from the outlet. Turn the power off with following the procedure in chapter 3.5.2 [Turn the power off.].
  • Page 31 2. Set up Oki Data CONFIDENTIAL (2)-2 Put the bottoms of the anti-tip feet (both sides) on the floor, align the sides to (2)-4 Align the anti-tip foot cover (rear) to the rear side of the anti-tip foot. the cabinet and tighten them with the two screws each.
  • Page 32 2. Set up Oki Data CONFIDENTIAL (3) Install the optional tray unit and LCF unit to the MFP . Note! Because the weight of the MFP weights is approximately 42kg, it needs more than three adults to lift it up.

  • Page 33: Compornent Replacement

    Oki Data CONFIDENTIAL Compornent replacement In this chapter, the procedure for replacement of part, assembly and unit is described. The replacement procedure is described by removal of the parts. please install the new parts with following the replacement procedure in reverse order.

  • Page 34: Precautions On Component Replacement

    3.　Component replacement Oki Data CONFIDENTIAL 3.1 Precautions on component replacement (1) Remove the AC cable and the interface cable before replacing the parts. (2) Do not disassemble it if the MFP works normally. (a) Remove the AC cable accableing to the following procedure.
  • Page 35 3.　Component replacement Oki Data CONFIDENTIAL [Maintenance Tool] The required tools for using the Maintenance Utility are shown in Table 3-1-2. The required tools for replacing the PCB and the unit are shown in Table 3-1-1. Table 3-1-2: Maintenance Tools Maintenance Tools...

  • Page 36: Method Of Component Replacement

    3.　Component replacement Oki Data CONFIDENTIAL 3.2　Method of component replacement (3) Remove the ID unit ① . In this chapter, the replacement of parts and assemblies is described by the dissassemble figures. Note! Cover the removed Print cartridge with black paper.

  • Page 37: Fuser Unit

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.2 Fuser unit 3.2.3 Cover-Rear-Blind (1) Remove the two screws (silver) ① . (1) Open the front cover, the scanner and the top cover. (Refer to 3.2.1) (2) Remove the fuser unit ① . (2) Remove the Cover-Rear-Blind ② .

  • Page 38: Cover-Side-L

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.4 Cover-side-L 3.2.5 Cover-side-R (1) Remove the ID unit. (Refer to 3.2.1) (1) Remove the ID unit. (Refer to 3.2.1) (2) Remove the fuser unit. (Refer to 3.2.2) (2) Remove the fuser unit. (Refer to 3.2.2) (3) Remove the Cover-Rear-Blind.

  • Page 39: Scanner Unit

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.6 Scanner unit 3.2.7 Stay-R (1) Remove the ID unit. (Refer to 3.2.1) (1) Remove the Cover-Side-R. (Refer to 3.2.5) (2) Remove the Cover-Side-R. (Refer to 3.2.5) (2) Remove the Scanner.(Refer to 3.2.6). (3) Remove the Cover-Side (R-Top) ① .

  • Page 40: Cu/Pu Pcb/Low Voltage Power Supply

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.8 CU/PU PCB/Low voltage power supply Warning Electric shock hazard. There is a risk of electric shock during replacement of the low voltage power supply. Use insulating gloves or avoid direct contact with any conducting part of the power supply, and caution should be exercised during replacement.

  • Page 41: Plate-Board-R Assy/Guide-Cable Power Low

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.9 Plate-Board-R Assy/Guide-Cable Power Low 3.2.10 Motor FAN (low voltage) (1) Remove the scanner. (Refer to 3.2.6) (1) Remove the scanner. (Refer to 3.2.6) (2) Remove the Stay-R Assy. (Refer to 3.2.7) (2) Remove the Plate-Board-R-Assy. (Refer to 3.2.9) (3) Remove the two screw(silver) ①...

  • Page 42: Dc Motor (Hop) / Dc Motor (Id)

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.11 DC motor (hop) / DC motor (ID) 3.2.12 Motor FAN (ID) / Micro switch (Plate-Assy-Side(R)) (1) Remove the scanner. (Refer to 3.2.6) (1) Remove the scanner. (Refer to 3.2.6) (2) Remove the Plate-Board-R-Assy. (Refer to 3.2.9) (2) Remove the Plate-Board-R-Assy.(Refer to 3.2.9)
  • Page 43 3.　Component replacement Oki Data CONFIDENTIAL 3.2.13 Board-TAG (Plate-Assy-Side(R)) Insert driver from the groove at front side (1) Remove the DC motor and Motor FAN and Sheet-Guide-FAN. (Refer to 3.2.11 and 3.2.12) (2) Remove the five screws (silver) ① and remove the Plate-Gear ② .

  • Page 44: Hv-Board / Motor-Fan

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.14 HV-Board / Motor-FAN 3.2.15 Cover-Assy-Front (1) Remove the Cover-Side-L and the Cover–Side-R. (Refer to 3.2.4 / 3.2.5) (1) Remove the Cover-Side-L. (Refer to 3.2.4) (2) Disengage the two craws to remove the Cover-Side (L-Inner)-L ⑨ .

  • Page 45: Led Assy

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.16 LED Assy (1) Remove the ID unit. (Refer to 3.2.1) (2) While pushing LED Assy ① in the direction of the arrow (a), unhook the part A by pulling it in the direction of the arrow (b).

  • Page 46: Plate-Assy-Duct

    3.　Component replacement Oki Data CONFIDENTIAL (7) Remove the retainer-4 ⑥ , and remove the Shaft-Link-Head ⑦ and the two 3.2.17 Plate-Assy-Duct Bearing-Metal ⑧ . ⑧ (1) Remove the Cover-Side-R. (Refer to 3.2.5) (2) Remove the Plate-Board-R-Assy.(Refer to 3.2.9) ⑦ (3) Disconnect the FFC cable of the LED head from the PU-Board.

  • Page 47: Feeder-Assy-Regist / Clutch

    3.　Component replacement Oki Data CONFIDENTIAL (8) Remove the two screws (silver/8mm) ⑥ , and remove the Plate-Front ⑦ . 3.2.18 Feeder-Assy-Regist / Clutch (9) Remove the five screws (silver) ⑧ and the two screws (silver) ⑨ , and remove the Feeder-Assy-Regist ⑩...

  • Page 48: Tr-Assy-Front

    3.　Component replacement Oki Data CONFIDENTIAL (10)Remove the e-ring ⑪ , and remove the Clutch ⑫ . 3.2.19 TR-Assy-Front (1) Remove the transfer roller.(Refer to 3.2.1) (2) Remove the Cover–Side-R. (Refer to 3.2.5) (3) Remove the plate shield(Refer to 3.2.8) (4) Disconnect all cable of TR-Assy-Front from the PU/CU-Board.

  • Page 49: Tr-Assy-Rear

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.20 TR-Assy-Rear 3.2.21 Cover-Assy-Stacker (Short-Model) (1) Remove the transfer roller. (Refer to 3.2.1) (1) Remove the Cover–Side-R. (Refer to 3.2.5) (2) Remove the Cover–Side-R. (Refer to 3.2.5) (2) Remove the scanner. (Refer to 3.2.6) (3) Remove the Plate-Assy-Duct. (Refer to 3.2.17) (3) Remove the Plate-Stay-R.

  • Page 50: Cover-Assy.-St(Tall) (For Finisher Model Only)

    3.　Component replacement Oki Data CONFIDENTIAL (8) Remove the two screws (black) ④ , and remove the Cover-Stacker (Sub-R) ⑤ . 3.2.22 Cover-Assy.-St(Tall) (for finisher model only) (9) Remove the two Cover-top-Sub-S ⑥ . (10) Remove the screw (silver) ⑦ and Cable.
  • Page 51 3.　Component replacement Oki Data CONFIDENTIAL Memo : Only for the model mounted the Finisher unit The screws (silver/8mm) are used for the Mounting Bracket (L) and (R) of the Finisher unit. So, these are not used for to lock the Finisher unit.

  • Page 52: Eject-Assy

    3.　Component replacement Oki Data CONFIDENTIAL (7) Open the rear cover, and remove the two screws (silver) ③ . 3.2.23 Eject-Assy (1) Remove the Cover–Side-R. (Refer to 3.2.5) (2) Remove the scanner. (Refer to 3.2.6) (3) Remove the Plate-Stay-R. (Refer to 3.2.7) (4) Remove the Plate-Board-R-Assy.
  • Page 53 3.　Component replacement Oki Data CONFIDENTIAL (8) Remove the cable of the Motor FAN ④ from the Eject-Assy ⑤ . (10) Remove the two screws (silver/28mm) ⑥ , and remove the Motor FAN ④ . Note! Be careful to install the Motor-FAN ④ in the proper direction.
  • Page 54 3.　Component replacement Oki Data CONFIDENTIAL 3.2.24 DC motor (fuser) 3.2.25 Plate-Assy-Base / Plate-Assy-Side-L / Plate-Assy- Side-R (1) Remove the Cover–Side-R. (Refer to 3.2.5) (1) Remove the DC motor (hop). (Refer to 3.2.11) (2) Remove the scanner. (Refer to 3.2.6) (2) Remove the Stay-Assy-L. (Refer to 3.2.14) (3) Remove the Plate-Board-R-Assy.
  • Page 55 3.　Component replacement Oki Data CONFIDENTIAL (5) Remove the two E rings ⑧ , a Pin ⑨ and Gear-Feed ⑩ , and remove the Shaft- 3.2.26 Frame-Assy.-Pickup Hopping ⑪ . (1) Remove the Duplex Assy ① . (2) Remove the three screws (silver) ② and remove the Frame-Rail-R ③ .

  • Page 56: Paper Feed Rollers

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.27 Paper feed rollers (3) Open the cover while pushing the two tabs (a and b) inward. (1) Remove the cassette. (2) Remove the two paper feed rollers ① (without gear) and ② (with gear) while pushin each tab outward.
  • Page 57 3.　Component replacement Oki Data CONFIDENTIAL (5) Remove the retard roller tray ③ and the spring ④ . ③ ④ Note! After setting the two paper feed rollers ① and ② , check that they do not come off. 3-25 /...

  • Page 58: Paper Feed Rollers (Mpt)

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.28 Paper feed rollers (MPT) (3) Open the paper set cover. (1) Open the MP tray forward by inserting your fingers into the front reccesses. Paper set cover MP tray (4) Remove the MPT paper feed roller (with gear) ① while pushing the tab outward.
  • Page 59 3.　Component replacement Oki Data CONFIDENTIAL (5) Remove the MPT paper feed roller (without gear) ② while pushing the tab outward. ② (6) Open the retard roller cover while pushing the center part of the MP tray, and remove the MPT retard roller ③ .
  • Page 60 3.　Component replacement Oki Data CONFIDENTIAL 3.2.29 Tray-Assy-Document / Cover-ADF-R (4) Push the portion A. (Concurrent to push the (3) ) ② (1) Open the Cover-Assy-top-ADF. (2) Remove the Tray-Assy-Document ① by pull it in the direction arrow. Cover-assy-top-ADF ① (5) Remove the cover-ADF-R ② in the direction of the arrow.
  • Page 61 3.　Component replacement Oki Data CONFIDENTIAL 3.2.30 ADF-unit (4) Remove the ADF-unit by insert the flat-blade screwdriver to gap betweenADF-unit and flatbed-unit with pull the cables out of the Frame-Base (ADF) and Hinge. Note! To see the Section 3.3 when replacement the ADF-unit ③ .
  • Page 62 3.　Component replacement Oki Data CONFIDENTIAL 3.2.31 Sheet-document / Paper-weight-Assy / Spring- <Attention of affix the sheet-document> PW-ADF (1) Degrease the affix area of ADF-unit. (2) Remove the peeling-off sheet. (1) Open the ADF-unit. (3) Set the sheet-document (see the figure below).

  • Page 63: Hinge-Assy-L / Hinge-Assy-R

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.32 Hinge-Assy-L / Hinge-Assy-R 3.2.33 ADF-Assy (1) Remove the three screws(black) ① and remove the hinge-Assy-R ② . (1) Remove the screw(silver) ① and remove the ADF board(7RL) ② . (2) Remove the three screws(black) ② and remove the hinge-Assy-L ④ .
  • Page 64 3.　Component replacement Oki Data CONFIDENTIAL 3.2.34 Guide-Retard / Roller / Motor / Clutch / Solenoid/ Photo-sensor (1) Pull and remove Guide-Cable-ADF ① . (2) Remove the E ring ② and remove the clutch ③ . (3) Remove the three screws(silver / 6mm) ④ and remove the plate-motor-ADF ⑤ .
  • Page 65 3.　Component replacement Oki Data CONFIDENTIAL 3.2.35 Cover-Assy-Top-ADF (1) Remove the ① with reference to 3.2.35. (2) Remove the four screws (black, No:42932708) ② and remove the Guide-Assy- Top(A) ③ . (3) Remove the Piece-Lock(Pickup) ④ ,Gear-Shaft-Hopping ⑤ ,Lever-SNS-Set ⑥ ,Spring-Lock(ADF-Top) ⑦ ,Lever-Lock(ADF) ⑧ ,Guide-Separator-Top ⑨...
  • Page 66 3.　Component replacement Oki Data CONFIDENTIAL (7) Remove the Spring-Lock(Pickup) ① from Frame-Pickup ② by turn an A part of 3.2.36　Frame-Assy-Hopping-ADF Spring-Lock(Pickup) ① in the arrow direction and take it off the ditch B. ② (1) Open the ADF-Cover and remove from the ADF-Unit.
  • Page 67 3.　Component replacement Oki Data CONFIDENTIAL 3.2.37 Guide-Assy-Retard (1) Remove the eight claws and remove the Guide-Retard(sub) ① . (2) Remove the Cover-Retard(ADF) ② . (3) Remove the Frame-Assy Retard ③ and remove the spring Retard ④ . (4) Remove the Lever-Hopping ⑤ and the spring-Hopping ⑥ .

  • Page 68: Flatbed-Unit

    3.　Component replacement Oki Data CONFIDENTIAL 3.2.38 Flatbed-Unit (1) Remove the five screws (black/6mm) ① and remove the cover-Bottom ② . (2) Remove the screw (silver) ③ and remove the platestopper(OP) ④ . (3) Remove the two screws (black/12mm) ⑤ and remove thecover-OP ⑥...
  • Page 69 3.　Component replacement Oki Data CONFIDENTIAL 3.2.39 Frame-assy-FB (1) Remove the five screws (silver) ① and remove the five screws(black/6mm) ② . (2) And remove the plate-shield-SU ③ . (3) Remove the all SU-board cables. (4) Remove the five screws (silver) ④ and remove the SU-board ⑤ .
  • Page 70 3.　Component replacement Oki Data CONFIDENTIAL 3.2.40 Antenna (for wireless model only) 3.2.41 Stapler (for stapler model only) (1) Remove the screw (silver/8mm) ① . (1) Remove the plate shield. (Refer to 3.2.8). (2) Remove the two screws (silver) ① and remove the Staple ② .
  • Page 71 3.　Component replacement Oki Data CONFIDENTIAL 3.2.42 Finisher (for finisher model only) (1) Open the Scanner and remove the two screws(black) ① . (2) Remove the cover connector ② by push the tab. (3) Disconnect the connector and remove the finisher unit ③ .

  • Page 72: Check The Scanner Mech Level And Su Fw Version

    3.　Component replacement Oki Data CONFIDENTIAL 3.3　Check the Scanner Mech Level and SU FW version Mech Level and SU FW version table When replacement the ADF-Unit or ADF-Assy or SU board, to check the Mech Mech Level Mark SU FW version Level.

  • Page 73: Oiling Spots

    3.　Component replacement Oki Data CONFIDENTIAL 3.4　Oiling spots This chapter shows the oiling spots. Do not oil the other spots that are not shown here. It is not necessary to inject the machine-oil during disassembling. However, please add the specified oil when you wipe the oil off.
  • Page 74 3.　Component replacement Oki Data CONFIDENTIAL ① -1 Plate-Assy-Side-L ① -2 Plate-Assy-Side-L EM-30LP Class C Apply a normal amount of MOLYKOTE(EM-30LP) to the guide inside areas. (Slide surface) EM-30LP Class C Apply a normal amount of MOLYKOTE(EM-30LP) to the guide inside areas.
  • Page 75 3.　Component replacement Oki Data CONFIDENTIAL ② -1 Plate-Assy-Side-R ② -2 Plate-Assy-Side-R Plate-Assy-Side-R EM-30LP Class A Apply a normal amount of MOLYKOTE (EM-30LP) to the EM-30LP Class C hatched areas of Spring-ID-R. Apply a normal amount of MOLYKOTE(EM-30LP) to the hatched areas.
  • Page 76 3.　Component replacement Oki Data CONFIDENTIAL ② -3 Plate-Assy-Side-R ② -4 Plate-Assy-Side-R EM-30LP Class F Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas (Gear tooth surface) EM-30LP Class C EM-30LP Class B Apply a normal amount of Apply a normal amount of...
  • Page 77 3.　Component replacement Oki Data CONFIDENTIAL ② -5 Plate-Assy-Side-R ③ TR-Assy-Middle HP-300Class C Apply a normal amount of EM-30LP Class C MOLYKOTE (HP-300) to the Apply a normal amount of hatched areas. MOLYKOTE (EM-30LP) to he (Gear tooth surface) hatched areas.
  • Page 78 3.　Component replacement Oki Data CONFIDENTIAL ④ TR-Assy-Front ⑤ -1 Feeder-Assy-Regist C-9310 or C-5005 Class B Apply a normal amount of Tetra(C-9310 or C-5005) to the hatched areas. C-9310 or C-5005 Class B (Bearing sliding surface) Apply a normal amount of Tetra(C-9310 or C-5005) to the hatched areas.
  • Page 79 3.　Component replacement Oki Data CONFIDENTIAL ⑤ -2 Feeder-Assy-Regist ⑥ Eject-Assy C-9310 or C-5005 Class B Apply a normal amount of Tetra(C-9310 or C-5005) to the hatched areas. (Shaft surface side) Gear-Idle-Z21( 3) Gear-ReductonZ23-Z41 Refer to the HANARL SF133 control Refer to the HANARL SF133 control...
  • Page 80 3.　Component replacement Oki Data CONFIDENTIAL ⑦ Guide-Assy-Eject-Lower ⑧ Plate-Assy-Base EM-30LP Class A Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas. (Spring) Spring-Dup-L Spring-Dup-R EM-30LP Class B Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas. (Center of shaft)
  • Page 81 3.　Component replacement Oki Data CONFIDENTIAL ⑨ Duplex-Assy ⑩ Hinge-Assy-Front EM-D110 Class F Apply a normal amount of MOLYKOTE (EM-D110) to EM-D110 Class D ched areas. Apply a normal amount of MOLYKOTE (EM-D110) to the hatched areas. EM-30LP Class B ( 2 places )
  • Page 82 3.　Component replacement Oki Data CONFIDENTIAL ⑪ Frame-Assy-Front ⑫ Cassette-Assy EM-30LP Class C Apply a normal amount of EM-30LP Class B MOLYKOTE (EM-30LP) to the Apply a normal amount of hatched areas. MOLYKOTE (EM-30LP) to the (Hole Inside surface) sliding areas by one point.
  • Page 83 3.　Component replacement Oki Data CONFIDENTIAL ⑬ Fuser-Assy ⑭ MFP NIP-MB760/MB770 EM-D110 Class C Apply a normal amount of MOLYKOTE Plate-Side-R-F_Caulk (EM-D110) to the hatched area. HP-300 Class A Apply a normal amount of MOLYKOTE (HP-300) to the HP-300 Class C EM-D110 Class C Cross hatched areas.
  • Page 84 3.　Component replacement Oki Data CONFIDENTIAL ⑮ 45060901PA Hinge-Assy-(L) / 45061001PA Hinge- ⑮ -3 45051501 Case-Hinge(L-ADF) Assy-(R) 45051701 44539601 Slider-Hinge (ADF) Slider-Hinge (ADF) 45051501 Case-Hinge(L-ADF) Case-Hinge-R (ADF) EM-D110 Class C Apply a normal amount of MOLYKOTE (EM-D110) to the hatched area.
  • Page 85 3.　Component replacement Oki Data CONFIDENTIAL ⑯ 4505625xxPA Tray-Assy-Document ⑰ 45059801PA Frame-Assy-Hopping-ADF 445388xx Tray-Document SF-133 Class C Apply a normal amount of HANARL (SF-133) to the hatched area. (3 sliding surfaces) HANARL SF-133 All around Apply HANARL (SF-133) all around 41321801 Gear-Planet(3 pcs)
  • Page 86 3.　Component replacement Oki Data CONFIDENTIAL ⑲ 45059701PA Guide-Assy-Top-B  45066301PA Guide-Assy-Exit-Lower HANARL SF-133 All around HANARL SF-133 All around Apply HANARL (SF-133) all around Apply HANARL (SF-133) all around of 44530001 Shaft-Press (4 pcs) of 44530001 Shaft-Press (4 pcs) Leave it for about 3minutes (drying time) after painting HANARL SF-133, and then assemble the roller.
  • Page 87 3.　Component replacement Oki Data CONFIDENTIAL  45060401PA Roller-Assy-Eject-ADF  45060601PA Plate-Assy-Gear Roller-Feed-ADF HANARL SF-133 All around Apply HANARL (SF-133) to 45050301 Plate-Gear(Caulking Especially,to 2 shaft Lever-Separator-EX Washer-A EM-30LP Class C x1 Apply Class C of MOLYKOTE (EM-30LP) to the hatched area. (to 1 places on the gear tooth...
  • Page 88 3.　Component replacement Oki Data CONFIDENTIAL  4505901PA ADF-Assy  -2 Apply HANARL SF-133 to gear -1 44530001 Shaft-Press 41321801 40325301 Gear-Z42 Gear-Double(Z40-47) 41321801 Gear-Planet Apply HANARL (SF-133) all around to parts below. 41321801 Gear-Double(Z40-47) HANARL SF-133 All around 41321801 Gear-Planet...
  • Page 89 3.　Component replacement Oki Data CONFIDENTIAL  -4 Apply MOLYKOTE (EM-30LP) to gear Apply to 1 place with range 10mm or more. (The application place is arbitrary) It is applicaion to a state without a lump jumping out of an Gear For detail tooth top, the tooth bottom.

  • Page 90: Oki Data Confidential

    Oki Data CONFIDENTIAL Maintenance Menu Adjustment of this printer can be performed from the Maintenance Utility by entering the corresponding menu from the keyboard of the operator panel. This printer contains the maintenance menu in addition to the normal operation menus. Select an appropriate menu in accordance with the objective of adjustment.

  • Page 91: Maintenance Utility

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.1 Maintenance Utility The adjustments described in table 5-1 should be made by using Maintenance Utility. Section in Operation from Maintenance operator panel The following details the utility: Option Adjustment Utility (section in this...

  • Page 92: Maintenance Menu Functions

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2 Maintenance menu functions 4.2.1 Self-diagnostic mode (1) How to select the menu items Menu items can be selected by pressing of [4] or [ ＊ ], or by LEVEL0 XXXX pressing of [2] or [8].
  • Page 93 4. Maintenance Menu Oki Data CONFIDENTIAL (1) How to select the menu items Menu items can be selected by pressing either [2] or [8] key, and executed by pressing [6]. LEVEL1 XXXXX XXXXX Menu items can be entered by pressing of [6] or [4], and can be selected by pressing of [2] or [8].
  • Page 94 4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.2 Ordinary self-diagnostic mode (level 1) 4.2.1.2.1 How to enter the self-diagnostic mode (level 1) Menu items of the ordinary self-diagnostic mode are shown below. While pressing the [6] and [8] keys, simultaneously, turn on the power to enter...

  • Page 95: Switch Scan Test

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.3 Switch scan test This self-diagnostic menu is used to check the entry sensor and the switch. Enter the self-diagnostic mode (level 1) and press the [2], [8] key until "SWITCH SCAN" is displayed in the upper row of the display area. (Pressing the [2] key increments the test item and pressing the [8] key decrements the test item.)
  • Page 96 4. Maintenance Menu Oki Data CONFIDENTIAL Table 4-2 SWITCH SCAN details <Item having no function> Asterisk mark (*) is displayed in the lower row of display area. * 1: “L” is displayed when the cover is open (including in the Sleep mode and power-off status), and "H" is displayed when the top cover and front cover is closed and warm-up is done.

  • Page 97: Motor Clutch Test

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.4 Motor clutch test This self-diagnostic menu is used to test the motor and clutch. 1. Enter the self-diagnostic mode (level 1) and press the [2], [8] key until "MOTOR&CLUTCH TEST" is displayed in the upper row of the display area.
  • Page 98 4. Maintenance Menu Oki Data CONFIDENTIAL Table 4-3 Unit name display Drive restriction condition Remarks ID MOTOR To be driven when the ID is removed. − FUSER_MOTOR − − REGIST CLUTCH − − T1 HOPPING CLUTCH * − − MPT HOP CLUTCH −...

  • Page 99: Test Print

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.5 Test print Display Setting value Function PRINT EXECUTE – Pressing the [6] key starts print/Pressing the [#] key This self-diagnostic menu is used to print the test pattern that is built inside PU. Other test terminates print.
  • Page 100 4. Maintenance Menu Oki Data CONFIDENTIAL While the message "PRINT EXECUTE" that is set by the operation specified in step 2 is being displayed, press the [6] key and the test print is executed with the setting value that has been set by steps 2 and 3.
  • Page 101 4. Maintenance Menu Oki Data CONFIDENTIAL • During printing, the following messages are displayed. • Displays are switched by pressing the [2] key. P=*** ETMP=***UTMP=*** W=*** P : Number of test print copies (unit: copies) ETMP : Hopping motor constant speed correction parameter...

  • Page 102: Consumable Item Counter Display

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.6 Consumable item counter display This self-diagnostic menu is used to display the consumption status of the consumable items. Enter the ordinary self-diagnostic mode and press the [2] , [8] key until "CONSUMABLE STATUS" is displayed in the display area. (Pressing the [2] key increments the test item and pressing the [8] key decrements the test item.)

  • Page 103: Number Of Print Copies Counter Display

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.7 Number of print copies counter display 4.2.1.8 Switching between the Factory mode and the Shipping mode This self-diagnostic menu is used to display status of the number of copies of a printer. This self-diagnostic menu item is used to switch between the Factory mode and the Shipping mode.

  • Page 104: Self-Diagnostic Function Setting

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.9 Self-diagnostic function setting Operation at the Display Setting value Function setting value This self-diagnostic menu is used to set valid/invalid of the error detection by the various DRUM OVER STOP Not to continue Setting of valid/invalid of continuance sensors.

  • Page 105: Led Head Serial Number Display

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.1.10 LED head serial number display This self-diagnostic menu item is used to check whether the downloaded LED head data matches the serial number of the actual LED head. Enter the self-diagnostic mode (level 1) and press the [2], [8] key until "LED HEAD DATA"...

  • Page 106: How To Enter The Scanner Maintenance Menu

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.2.2 How to enter the Scanner Maintenance Menu (1) Press the [6] key & [8] key when the MFP power is turned on. (2) Press the [1] key when the "Select Number" is displayed.
  • Page 107 4. Maintenance Menu Oki Data CONFIDENTIAL (3) Display "Scanner Maint" as the Scanner Maintenace Menu show below. Default Default Default Value Item1 Item2 Item3 Item4 value value value Notes (Step) Scanner Adjust Scan Side Reg. +42 ~ 0 Adjust the scanning start position of main scanning direction when book scanning.

  • Page 108: Setups Upon Completion Of Part Replacement

    4. Maintenance Menu Oki Data CONFIDENTIAL 4.3 Setups upon completion of part replacement 4.3.1 Precautions when replacing the PU board The adjustments that are required upon completion of part replacement are described below. Replacement parts Adjustment contents When access to the EEPROM of the board to remove is possible.
  • Page 109 4. Maintenance Menu Oki Data CONFIDENTIAL When access to the EEPROM of the board to remove is impossible. (2) Switching to the Shipping mode (Maintenance Utility Operation Manual section 2.4.1.1.2.3) If the [Engine EEPROM Error] is displayed on the operator panel with the...

  • Page 110: Oki Data Confidential

    Oki Data CONFIDENTIAL Periodic maintenance 5.1 Cleaning ..................5-2 5.2 How to clean the LED lens array ..........5-3 5.3 How to clean the pickup rollers for Cassette .......5-5 5.4 How to clean the paper feed rollers for MP Tray ......5-6 5.5 How to clean the rollers in the ADF ..........5-8 5.6 How to clean the document rollers in the ADF ......5-9...

  • Page 111: Cleaning

    5. Periodic maintenance Oki Data CONFIDENTIAL 5.1 Cleaning Clean inside and outside of the MFP with clean dry cleaning cloth and small vacuum cleaner (hand cleaner) as required. Note! Be careful not to touch the image drum terminals, the LED lens array and the LED head connectors.

  • Page 112: How To Clean The Led Lens Array

    5. Periodic maintenance Oki Data CONFIDENTIAL 5.2 How to clean the LED lens array Perform cleaning of the LED head. If the white banding, white stripe (white drop-out, light printing) in the vertical direction occurs on the print surface, clean the LED lens array.
  • Page 113 5. Periodic maintenance Oki Data CONFIDENTIAL (3) Remove the Image drum cartridge. (5) Return the Print Cartridges to the MFP carefully. 1. Remove the Print Cartridges and place them on a flat workbench. 2. Cover the removed image drum cartridge with a black paper.

  • Page 114: How To Clean The Pickup Rollers For Cassette

    5. Periodic maintenance Oki Data CONFIDENTIAL 5.3 How to clean the pickup rollers for Cassette If the vertical bending in the vertical direction occurs on the print surface the pickup roller. (3) Clean the separation roller of the paper tray with a clean cloth wrung out stringently of clean water.

  • Page 115: How To Clean The Paper Feed Rollers For Mp Tray

    5. Periodic maintenance Oki Data CONFIDENTIAL 5.4 How to clean the paper feed rollers for MP Tray (1) Open the MP tray. (3) Open the paper set cover until the touches the printer. Paper set cover (2) Release the tabs of the paper feed roller cover by pressing the both side arms (4) Open the separation roller cover forward while pressing the center part of the inward while listing up MP tray lightly.
  • Page 116 5. Periodic maintenance Oki Data CONFIDENTIAL (5) Wipe the feed rollers and separation roller with a wet cloth that has been wrung out well. Roller ×3 Note! •Clean the feeder roller of the multi-purpose tray in the same manner when the error code [Open cover / Paper Jam / Front Cover / Please see HELP for details] occurs frequently.

  • Page 117: How To Clean The Rollers In The Adf

    5. Periodic maintenance Oki Data CONFIDENTIAL 5.5 How to clean the rollers in the ADF If the document feeding rollers in the ADF are contaminated with ink, toner particles or (4) Wipe the document feed rollers with a soft cloth lightly moistened with water.

  • Page 118: How To Clean The Document Rollers In The Adf

    5. Periodic maintenance Oki Data CONFIDENTIAL 5.6 How to clean the document rollers in the ADF (1) Open the glass cover. (3) Wipe the rollers with a soft cloth lightly moistened with water. glass cover Roller Roller (4) Return the document pad to former position.

  • Page 119: How To Clean The Document Glass

    5. Periodic maintenance Oki Data CONFIDENTIAL 5.7 How to clean the document glass It is recommended to clean the document glass once a month to maintain image quality of the printouts. (1) Open the document glass cover. (2) Wipe the document holding pad, document glass and ADF document glass surface with a soft cloth lightly moistened with water.

  • Page 120: Troubleshooting And Repair Procedure

    Oki Data CONFIDENTIAL Troubleshooting and repair procedure 6.1 Before starting the repair work ...........6-2 6.2 Confirmation items before taking corrective action against abnormalities ................6-2 6.3 Precautions when taking corrective action against abnormality .6-2 6.4 Preparation for troubleshooting ..........6-2 6.5 Troubleshooting method .............6-3 6.6 Fuse check ................6-54...

  • Page 121: Operation Panel

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.1 Before starting the repair work (1) Confirm the basic check/inspection points described in User’s Manual. (2) Get the information/status from client at the time when the trouble has occurred as much in details as possible (3) Create the status close to the user’s status when the trouble has occurred, and...

  • Page 122: Troubleshooting Method

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5 Troubleshooting method 6.5.1 Error code list When a trouble occurs in this printer, perform troubleshooting by following the steps described below. Note! For the error codes not described in this manual, refer to the Software Guide.
  • Page 123 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Error Code Details Error Code Details Incompatible toner (Black) → Black Toner Group Mismatch Error C46F Power Supply Thermistor Temp Low D335 C4C0 Fuser unit fuse cut error D345 Black image drum life...
  • Page 124 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Error Code Details Error Code Details E16A Tray4 paper remaining F073 Uncompatible Specversion Error E190 LCF Paper feed jam F090 SRAM abnormality on the SYS board E19A Detect the LCF paper remain...

  • Page 125: Printer Error Troubleshooting

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.2 Printer error troubleshooting Error code Cause Error details Remedial measure C0A2 Low voltage power Is the fan (bottom right of the Check for sure Error code Cause Error details Remedial measure...
  • Page 126 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Error code Cause Error details Remedial measure Error code Cause Error details Remedial measure C0A6 Duplex FAN Alarm Fan error inside the Duplex unit. Check if the Duplex C37A Short or open in...
  • Page 127 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Error code Cause Error details Remedial measure Error code Cause Error details Remedial measure C449 The fuser thermistor Turn on the power C5B5 When LCF is setting, Tray2 Replace the Tray has detected an again.
  • Page 128 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Error code Cause Error details Remedial measure Error code Cause Error details Remedial measure F041 Over than available Over than available setting Remove the D3F6 The error is detect the Drum is...
  • Page 129 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Error code Cause Error details Remedial measure Error code Cause Error details Remedial measure E120 Indicates that jam has occurred E160 Occur jam with the Tray4 Take out the during feeding paper from the jammed paper.
  • Page 130 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Error code Cause Error details Remedial measure E57A Occur Duplex jam and Paper on Take out the the Entry Path jammed paper. Change the Eject- Assy. Change the Plate- Assy-Base(FN). Change the PU board.

  • Page 131: Scanner Error Troubleshooting

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.3 Scanner error troubleshooting System Spec. Code Category Cause Error details Measure System Spec. E722 Error ADF document Regist paper sensor stuck jam/detection Open the ADF cover, Code Category Cause Error details Measure of out-of-spec oversized documents –...
  • Page 132 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL System Spec. System Spec. Code Category Cause Error details Measure Code Category Cause Error details Measure E728 Error ADF document Detection of chattering of a sensor Open the ADF cover, C280 ServiceCall Scanner home The home position sensor does not Power cycle the unit.

  • Page 133: Preparation For Troubleshooting

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4 Preparation for troubleshooting (8-5) Paper is not supplied from the Duplex unit to the regist roller....6-39 Paper size error (error code E061, E062, E063, E064, E065) ......6-39 LCD display error ....................6-15 (9-1) Jam occurs when paper end is located near the IN1 sensor.

  • Page 134: Lcd Display Error

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (1) LCD display error Action to be taken Check item Check work Memo For the numbers from ① through  after name of the respective connectors, at NG refer to section 6.5.4 (19) "Wiring diagram".

  • Page 135: Abnormal Operations Of Printer After The Power Is Turned On

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (2) Abnormal operations of printer after the power is turned on (2-2) Abnormal sound is heard. (2-1) Any operation does not start at all. Action to be taken Check item Check work...

  • Page 136: Bad Odors Are Generated

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (2-3) Bad odors are generated. Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (2-2-3) Check the jumping phenomena of gear tooth. (Abnormal load of the consumable item)

  • Page 137: Paper Jams

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (3) Paper Jams JAM location of occurrence outline chart When paper jams occur or paper remains in the printer, "Paper Jam", or "Paper Remain" is displayed on the operation panel. (382:Exit) A method to remove the paper is displayed, remove the paper in the printer according to (370:Duplex [Handling].
  • Page 138 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (3) Return the tray to the printer. Open Cassette Open Cassette Paper Remain Paper Jam [Tray Name] [Tray Name] When the above messages are displayed. Tray1 is applied here as an example.
  • Page 139 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL If you cannot find the jammed paper Open Cover 1. Open the rear cover by pulling the lock lever on the back side of the printer Paper Remain toward you. Front Cover Lock lever When the above messages are displayed.
  • Page 140 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (3) Remove the jammed paper gently. If an edge of jammed paper can be seen Open Cover Open Cover Paper Jam Paper Remain Front Cover Front Cover Remedy when the above messages are displayed (1) If there is any paper on the MP Tray, open the paper set cover and take it out.
  • Page 141 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (3) Remove ID unit and place it on new paper etc. on a flat surface. Open Cover Open Cover Paper Jam Paper Remain Top Cover Top Cover ID unit Remedy when the above messages are displayed (1) Insert your finger into the recess on the right side of the printer and pull the front cover open lever to open the front cover forward.
  • Page 142 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (6) Open the registration guide in the direction of the arrow. (9) Pull out the jammed paper gently while tilting the release levers (6) on the fuser unit forward if an edge of jammed paper cannot be seen.
  • Page 143 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (3) Remove ID unit and place it on new paper etc. on a flat surface. 382, 383, 385 639, 640 Open Cover Open Cover Paper Jam Paper Remain Top Cover Top Cover...
  • Page 144 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Hold the fuser unit handle and lift the fuser unit out of the printer. (8) Hold the fuser unit handle and return the fuser unit into its original position. Possible to get burned.
  • Page 145 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (3) Open the upper cover of the duplex unit and check for jammed paper in the duplex Check Duplex Unit Check Duplex Unit unit. If jammed paper remains, pull it out. Then, close the upper cover.

  • Page 146: Document Jam

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Document Jam If the edge of the document can been seen under the paper guide, lift the paper guide and then pull out the document. In the Duplex Paper Path (1) While opening the ADF cover, pull out the document from the duplex paper path.

  • Page 147: Paper Feed Jam (Error Code E130: 1St Tray)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (3) Paper feed jam (error code E130: 1st tray) (3-2) Jam occurs immediately after the paper feed is started. (1st tray) (3-1) Jam occurs immediately after the power is turned on. (1st tray)
  • Page 148 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Action to be taken Action to be taken Check item Check work Check item Check work at NG at NG (3-2-4) Check the system connection (3-2-6) Check the system connection Paper feed motor Check the connection condition of the cable.

  • Page 149: Feed Jam (Error Code E202)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (4) Feed jam (error code E202) (4-2) Jam occurs immediately after the paper feed is started. (4-1) Jam occurs immediately after the power is turned on. Action to be taken Check item...

  • Page 150: Paper Feed Jam (Error Code E120: Multipurpose Tray)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (5) Paper feed jam (error code E120: Multipurpose tray) Action to be taken Check item Check work at NG (5-1) Jam occurs immediately after the power is turned on. (Multipurpose tray)

  • Page 151: Multipurpose Tray

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (5-2) Jam occurs immediately after paper feed is started. (Multipurpose tray) Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (5-2-3) Motor operation check...

  • Page 152: Paper Running Jam (Error Code E010)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (6) Paper running jam (error code E010) (6-2) Jam occurs immediately after a paper is taken into printer. (6-1) Jam occurs immediately after the power is turned on. Action to be taken...

  • Page 153: Jam Occurs In The Middle Of Paper Running Path

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (6-3) Jam occurs in the middle of paper running path. Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (6-2-4) Check the system connection...

  • Page 154: Jam Occurs Immediately After Paper Has Reached The Fuser

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (6-4) Jam occurs immediately after paper has reached the fuser. 6.5.4. (7) Paper unloading jam (error code E020) (7-1) Paper unloading jam occurs immediately after the power is turned on. Action to be taken...

  • Page 155: Paper Unloading Jam Occurs After A Paper Is Taken Into Printer

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL Action to be taken Action to be taken Check item Check work Check item Check work at NG at NG (7-1-4) Check the system connection (7-2-2) Check condition of the mechanical parts...

  • Page 156: Paper Unloading Jam Occurs In The Middle Of Paper Running Path

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (7-3) Paper unloading jam occurs in the middle of paper running path. 6.5.4. (8) Two-sided printing jam (error code: E580, E520, E110, E570) (8-1) Two-sided printing jam occurs immediately after the power is turned on.

  • Page 157: Two-Sided Printing Jam Occurs During Taking In The Paper

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (8-2) Two-sided printing jam occurs during taking in the paper into Duplex unit. Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG...

  • Page 158: Paper Is Not Supplied From The Duplex Unit To The Regist Roller

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (8-4) Two-sided printing jam occurs during transporting paper inside the Duplex unit. 6.5.4. (9) Paper size error (error code E061, E062, E063, E064, E065) (9-1) Jam occurs when paper end is located near the IN1 sensor.

  • Page 159: Fuser Unit Error (Error C41A,C41B,C449,C446,C41C,C41D,C468,C466)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (10) Fuser unit error (error C41A,C41B,C449,C446,C41C,C41D,C468,C466) Action to be taken Check item Check work at NG (10-1) Error occurs immediately after the power is turned on. (10-2-2) Temperature increase of fuser unit...

  • Page 160: Motor Fan Error (Error Code C0A2, C0A1, C0A5, C0A6)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (11) Motor fan error (error code C0A2, C0A1, C0A5, C0A6) (11-1) The low voltage power supply fan does not rotate immediately after the power is turned on. Action to be taken...

  • Page 161: Print Speed Is Slow. (Performance Is Low.)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (12) Print speed is slow. (Performance is low.) 6.5.4. (14) LED head cannot be recognized. (error code CE82, CE83, CE84, CE85) (12-1) Print speed decreases. (14-1) Service call CE82 to CE85 (LED HEAD Missing)

  • Page 162: Toner Cartridge Cannot Be Recognized. (Error Code C3B3,C3A3,C393,C383)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (15) Toner cartridge cannot be recognized. (error code C3B3,C3A3,C393,C383) Note! Toner sensor operation check method using the SWITCH SCAN function of the self-diagnostic mode. (15-1) Error caused by the consumable items.

  • Page 163: Error Caused By The Defective Mechanism

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL (15-3) Error caused by the defective mechanism 6.5.4. (16) Fuse cut error (error codes C4C0) (16-1) Fuse cut error Action to be taken Check item Check work at NG Action to be taken...

  • Page 164: Humidity Sensor Error (Error Code Ce51)

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (17) Humidity sensor error (error code CE51) Action to be taken Check item Check work at NG (17-1) Humidity sensor error (17-1-2) Environment condition Action to be taken Check item Check work...
  • Page 165 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.4. (18) Wiring diagram ② ① ③ ⑬ ㉒ ⑳ ⑪ ⑩ ⑦ ④ ⑭ ⑰ ㉓ ㉞ ⑦ 6-46 / 45387101TH Rev.14...

  • Page 166: Troubleshooting The Abnormal Images

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.5 Troubleshooting the abnormal images Faded-out and blurred entirely. (Refer to Figure 6-2A.) ........6-48 (1-1) Faded-out and blurred................6-48 Stain on white print (Refer to Figure 6-2B.) ............6-49 (2-1) Stain on white print (Partial stain) ............6-49 (2-2) Stain on white print (overall stain) ............6-49...
  • Page 167 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.5.(1) Faded-out and blurred entirely. (Refer to Figure 6-2A.) Action to be taken Check item Check work at NG (1-1) Faded-out and blurred. (1-1-5) ID unit installation condition Action to be taken...
  • Page 168 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.5.(2) Stain on white print (Refer to Figure 6-2B.) (2-2) Stain on white print (overall stain) (2-1) Stain on white print (Partial stain) Action to be taken Check item Check work at NG...
  • Page 169 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.5.(3) White print (Refer to Figure 6-2C.) Action to be taken Check item Check work at NG (3-1) White print over entire page (3-1-3) High voltage terminal Action to be taken Check item...
  • Page 170 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.5.(4) Black banding/black streaking in vertical direction 6.5.5.(5) Periodic abnormality (Refer to Figure 6-2E.) (4-1) Thin vertical line (with color) (Refer to Figure 6-2D.) (5-1) Periodic abnormality occurs in vertical direction Action to be taken...
  • Page 171 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.5.(6) Solid black printing (6-1) Solid black printing over the whole page Action to be taken Check item Check work at NG (6-1-1) High voltage contacting condition CH terminal Check that the terminal coming from the printer...
  • Page 172 6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.5.5.(7) Offset Ghost (Refer to Figure 6-2G.) (7-1) Offset Ghost occurs in vertical direction. Action to be taken Check item Check work at NG (7-1-1) Print media Media type Check to see that the print media which is used Use the normal for printing is not a specially thick media.

  • Page 173: Fuse Check

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.6 Fuse check If the following error is issued, check the corresponding fuse of the PU/SU control board Error Description Fuse and high voltage power supply board. Insert Point Resistance Name When booting After boot up (Refer to Table 6-6.)

  • Page 174: Paper Cassette Switches Versus Paper Size Correspondence Table

    6. Troubleshooting and repair procedure Oki Data CONFIDENTIAL 6.7 Paper cassette switches versus Paper size correspondence table Dial display size Bit No. TRAY1~4 Cassette: none Cassette: none Not Used Legal 13.5" Not Used Not Used Legal 13" Not Used Blank...

  • Page 175: Connection Diagrams

    Oki Data CONFIDENTIAL Connection diagrams 7.1 Resistance value check ...............7-2 7.2 Parts location ................7-5...

  • Page 176: Resistance Value Check

    7. Connection diagrams Oki Data CONFIDENTIAL 7.1 Resistance value check Unit Electrical circuit diagram, connection Part outside view Resistance value Across both ends of IP2: 1 Ω or less ID motor Across both ends of IP2: 1 Ω or less...
  • Page 177 7. Connection diagrams Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Across both ends of IP1: 1 Ω or less Feed motor PHR-6 PHR-6 COLOR OF COLOR OF PIN No. PIN No. LEAD LEAD Between pin-1 and pin-3: 3.2 Ω...
  • Page 178 7. Connection diagrams Oki Data CONFIDENTIAL Electrical circuit diagram, Unit Part outside view Resistance value connection Upper (Plate heater) Thermostat 800W Lower (Halogen heater) Upper 400W 09P-RWZV-K4GG-P4 CZHR-05V-S Between pins -A5 and -A4: Approx. 80.58k Ω to 5338k Ω (0 to 93°C) Upper Between pins -A3 and -A2: Approx.

  • Page 179: Parts Location

    7. Connection diagrams Oki Data CONFIDENTIAL 7.2 Parts location (1) CU PCB Component side Soldering side 7-5 / 45387101TH Rev.14...

  • Page 180: Component Side

    7. Connection diagrams Oki Data CONFIDENTIAL (2) PU PCB Component side Soldering side Board-8PU 452962 45097099 ID2FAN R284 R283 DCID TAGZA1 TAGZA2 RM23 R699 R254 R695 C102 R558 IC18 R524 RM20 RM19 R691 R680 RM525 IC506 R666 R665 R656 R661...
  • Page 181 7. Connection diagrams Oki Data CONFIDENTIAL (3) TC Tag contact PCB (6) Second Tray Control PCB 45177599 Component side JP28 JP29 JP30 JP31 SNS12 SNS03 Board-GOH JP21 JP18 44605899 JP13 JP14 (4) ID Tag contact PCB 45177599 Soldering side (5) Toner SNS...
  • Page 182 7. Connection diagrams Oki Data CONFIDENTIAL (7) SU PCB Soldering side Component side 44973499 CUIF C704 C703 R375 C702 C701 R374 C700 C699 R321 R322 R323 R324 R317 R318 R319 R320 C698 C697 R313 R314 R315 R316 R309 R310 R311...

  • Page 183: Low-Voltage Power Supply Pcb

    7. Connection diagrams Oki Data CONFIDENTIAL (8) SU connection PCB (10) Low-voltage Power Supply PCB SNSIF 44997899 (9) Environment SNS 45361799 1 7-9 / 45387101TH Rev.14...
  • Page 184 7. Connection diagrams Oki Data CONFIDENTIAL (11) High-voltage Power Supply PCB Component side Soldering side 7-10 / 45387101TH Rev.14...

This manual is also suitable for:

Mb760Mb770Mbs5502

Table of Contents