Oki MB461 Maintenance Manual
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Oki MB461 Maintenance Manual

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MB461 / MB471 / MB491 /
MB491+ / MB491+LP/ MPS4200mb /MPS4700mb
Maintenance Manual
031314C
 
 
 
 
 
 

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Summary of Contents for Oki MB461

  • Page 1           MB461 / MB471 / MB491 / MB491+ / MB491+LP/ MPS4200mb /MPS4700mb Maintenance Manual 031314C            ...
  • Page 2 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 Oki Data assumes no responsibility to the damages caused or claimed to have been caused by the user as a result of repair, adjustment and/or change using this manual.

  • Page 4: Table Of Contents

    CONTENTS Oki Data CONFIDENTIAL CONTENTS 1. CONFIGURATION ..............1-1 2.3 Toner entrance detection .................2-9 2.3.1 Toner sensor detection principle ..............2-9 1.1 System configuration ..................1-2 2.3.2 Toner count principle ..................2-9 1.2 Structure of MFP .....................1-3 2.4 Image Scanning process ................2-10 1.3 Offer of Options ....................1-4 2.4.1 Structure and process of RADF ...............2-10...
  • Page 5 4.2.31 W-LAN Board ( for MB471w only) ............4-58 4.2.8.9 Cable (ADF-Reg SNS) ..............4-22 5. LUBRICATION POINT ............5-1 4.2.8.10 Frame-assy-OP ................4-22 4.2.8.11 Frame-OP-panel / OPE board (Except MB441/MB461/MB461+LP/ 5.1 Lubrication point....................5-2 ES4161 MFP) ...................4-23 5.1.1 Printer ......................5-3 4.2.8.12 Frame-OP-panel / OPE board (MB441/MB461/MB461+LP/ 5.1.2 Scanner ....................5-11...
  • Page 6 Oki Data CONFIDENTIAL 6.3 Maintenance Utility ..................6-11 8. TROUBLESHOOTING PROCEDURES ........8-1 6.3.1 Maintenance Utility ...................6-11 8.1 Precautions prior to repair................8-2 6.4 Self-diagnostic mode ..................6-13 8.2 Items to be checked prior to taking action on abnormal images ......8-2 6.4.1 Operator Panel ..................6-13 8.3 Precautions when taking action on abnormal images ........8-2...
  • Page 7 Oki Data CONFIDENTIAL 10.2.1 Overview ....................10-9 10.2.1.1 Function ....................10-9 10.2.1.2 Exterior and Parts Name ..............10-9 10.2.2 Description for Operation of Second Tray unit ........10-10 10.2.3 Part Replacement ..................10-11 10.2.3.1 Precautions on replacing parts ............10-11 10.2.3.2 Arrangement of Parts ..............10-12 10.2.3.3 How to Replace Parts ..............10-13 10.2.4 Cleaning of Paper Feed Roller and Separation Roller ......10-19...

  • Page 8: Configuration

    Oki Data CONFIDENTIAL CONFIGURATION 1.1 System configuration ..............1-2 1.2 Structure of MFP .................1-3 1.3 Offer of Options ................1-4 1.4 Specifications ................1-5 1.5 Interface specifications ..............1-25...

  • Page 9: System Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.1 System configuration System Configurations of the MFP Unit. The system configuration of this product is shown in Figure 1-1 CN501 (PCB) KEY LED Speaker External Telephone PSTN Motor W-LAN LINETEL unit Cat5 SDAA Cat5...

  • Page 10: Structure Of Mfp

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.2 Structure of MFP The insides of multi function printers are composed of the following parts. • Scanner part • Electronic photography process part • Paper path • Control part (CU part/PU part) • Power supply parts (high voltage part/low voltage part) Figure 1-2 shows the composition of the MFP .

  • Page 11: Offer Of Options

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.3 Offer of Options This product can be installed with the following option. Second Tray Unit 44871001TH Rev.6...

  • Page 12: Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.4 Specifications Fundamental specifications MB441/ MB491/ MB451/ MB451w/ Category Item MB461/ ES4191 MFP/ MB471 MB471w MPS4200mb/ EDT (Entry Desk Top) ES4161 MFP MB491/ model MB461/ MB471/ Interface USB2.0 Category Item ES4191 MFP/ ES4161 MFP MB471w...
  • Page 13 1. CONFIGURATION Oki Data CONFIDENTIAL MB441/ MB491/ MB451/ MB451w/ Category Item MB461/ ES4191 MFP/ MB471 MB471w MPS4200mb/ ES4161 MFP Operating During operation 20% - 80%, 50% - 70% (Print quality assurance environ- humidity), Maximum wet-bulb temperature 25°C ment During non-operation 10% - 90%, Maximum wet-bulb temperature 26.8°C,...
  • Page 14 1. CONFIGURATION Oki Data CONFIDENTIAL MB491+/ MB491+/ Category Item Category Item MB461+LP MB491+LP/ MB461+LP MB491+LP/ MPS4700mb MPS4700mb Printer Engine A4/Letter, 45.5/47 ppm Interface USB2.0 speed simplex Ethernet Resolution Max. 2400 x 1200 x Wireless resolution 600dpi 1200dpi Input tray 1st Tray 250 sheets (<80gsm)
  • Page 15 1. CONFIGURATION Oki Data CONFIDENTIAL MB491+/ Category Item MB461+LP MB491+LP/ MPS4700mb Operating During operation 20% - 80%, 50% - 70% environ- (Print quality assurance ment humidity), Maximum wet- (humidity) bulb temperature 25°C During non-operation 10% - 90%, Maximum wet-bulb temperature 26.8°C, power OFF...

  • Page 16: Printer Section Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL Printer section specifications MB491/ MB491/ MB491+/ MB491+/ MB461/ MB461/ MB491+LP/ MB491+LP/ Category Item MB461+LP/ MB471 MB471w Category Item MB461+LP/ MB471 MB471w ES4191 MFP/ ES4191 MFP/ ES4161 MFP ES4161 MFP MPS4200mb/ MPS4200mb/ MPS4700mb MPS4700mb Print width Print width...

  • Page 17: Network Specifications

    CMYK,.1 bit monochrome Network specifications Document size Flat bed 4.13 x 5.8~8.5 x 11.69in (105 x 148~215.9 x 296.9mm) * for MB461+LP, MB491+LP and MPS4700mb Item Description 4.13 x 5.8~8.5 x 14in (105 x 148~215.9 x 355.6mm) Connection Ethernet 10BaseT/100BaseTX automatic negotiation...

  • Page 18: Copy Function

    2 sided Long Edge→1 sided Document Size Flatbed A4, A5, A6, B5, Executive, Letter 2 sided Short Edge→1 sided * MB461+LP, MB491+LP , MPS4700mb can use Binding Position Long Edge, Short Edge Legal13, Legal 13.5, Legal 14 in addition to above sizes.
  • Page 19 1. CONFIGURATION Oki Data CONFIDENTIAL Copy Image Adjustments ScanTo Common Specification Items Setting Description Item Setting Description Document Type Text, Text/Photo, Allows the user to select the type of Document type Text/Photo, Allows the user to select the type of images on...
  • Page 20 1. CONFIGURATION Oki Data CONFIDENTIAL Items Setting Description Items Setting Description Contrast -3, -2, -1, 0, +1, +2, Adjusts the difference between the light Password / Sets a password to open created PDF and dark areas of an image. Re-enter Password document.
  • Page 21 1. CONFIGURATION Oki Data CONFIDENTIAL ScanToEmail Fucntion Items Setting Description Change Not allowed Applicable only when Encryption Level Items Setting Commenting is Low. Docum- allowed Applicable only when Encryption Level Address confirmation To, Cc, Bcc Page layout allowed * is Medium or High.
  • Page 22 * * Only ADF can be used for Legal 13, Legal 13.5, and Legal 14. (Not Flatbed). But, Flatbed can be used for Legal 13, Legal 13.5, and Legal 14 in MB461+LP, MB491+LP, and Network Twain Function MPS4700mb. A6 Duplex Scan not supported.
  • Page 23 : Min: 105 x 148 mm / Max: 215.9 x 355.6 mm Flatbed : Min:105 x 148 mm / Max: 215.9 x 296.9 mm * for MB461+LP and MB491+LP and MPS4700mb Flatbed : Min: 105 x 148 mm / Max : 215.9 x 355.6 mm Preset A4, A5, B5, A6, Legal13, Legal13.5, Legal14, Letter,...

  • Page 24: Fax Specification

    1. CONFIGURATION Oki Data CONFIDENTIAL Fax specification Function Description Tx function Transmission Real-time Tx Support (Send) Function Description Memory Tx Support Basic Fax FAX, TEL line PSTN, PBX Manual Tx Support function Line Interface RJ11 × 2 (LINE1, TEL1) Dial...
  • Page 25 1. CONFIGURATION Oki Data CONFIDENTIAL Function Description Function Description Rx function Automatic receive Support Rx function Print function Effective record Legal14, Legal13.5, Legal13, Letter, A4 (Receive) (Receive) size Manual receive Support Print margin same as printer Standby mode FAX Support...

  • Page 26: Internet Fax

    1. CONFIGURATION Oki Data CONFIDENTIAL Internet Fax Function/Item Description IFAX Images Basic Features Scan size A4, Letter, Legal13, 13.5, Legal14 (Document Size) Function/Item Description Density -3, -2, -1, 0, +1, +2, +3 IFAX file Send TIFF-S File format supported in Internet FAX Send.

  • Page 27: Report Print

    1. CONFIGURATION Oki Data CONFIDENTIAL Report Print Manual Report Name Auto Op Panel Configuration Web Page Special Manual Tool Operations Report Name Auto Op Panel Configuration Web Page Special E-mail/Internet FAX Tool Operations Transmit Confirmation Configuration Report File List E-mail/Internet FAX...

  • Page 28: Print From Usb Memory

    1. CONFIGURATION Oki Data CONFIDENTIAL Print from USB memory Item Description Possible to print color images in mono mode and Color/Mono switch Item Description monochrome images in color mode. Interface USB2.0 (High Speed) Host IF Job Log : Print Print logs...
  • Page 29 1. CONFIGURATION Oki Data CONFIDENTIAL Display information Email To Print Overview Spec. Information provided Comment Item Description (displayed) Mail format Compliant to MIME1.0. Can be displayed in Japanese Printing mail text Path (Maximum Length 2-byte Code : 255 characters) Yes (v1.7)
  • Page 30 1. CONFIGURATION Oki Data CONFIDENTIAL Auto Delivery Function (for MB491/MB491+/MB491+LP/ Transmission Data Save Function (for MB491/MB491+/ ES4191 MFP/MPS4200mb/MPS4700mb) MB491+LP/ES4191 MFP/MPS4200mb/MPS4700mb) Items SD Card has to be installed Items SD Card has to be installed Auto Delivery settings input method From Product Web Page *...
  • Page 31 1. CONFIGURATION Oki Data CONFIDENTIAL Access Control and Job Accounting Functions Overview Specs Item Description Job Accounting Item Description Number of JA Logs that can be saved Approx. 5000 (w/SD Card), Approx. 200 (w/o SD Card) Access Control Copy Color enabled / Color disabled /...

  • Page 32: Interface Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5 Interface specifications 1.5.1 USB Interface Specification (2) Cable Cable length : Specification Cable of USB2.0 spec. of less than 5m.(less 1.5.1.1 Outline of USB Interface than 2m is recommended) (1) Basic Specification 1.5.1.3 USB Interface Signal...

  • Page 33: Network Interface Specification

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5.2 Network Interface Specification 1.5.2.3 Network Interface Signal Pin No. Singles Single Direction Functions 1.5.2.1 Outline of Network Interface TXD+ FROM PRINTER Send Data + TXD- FROM PRINTER Send Data - Table 1.5.2 Basic Specification of Network Interface...

  • Page 34: Usb Host Interface

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5.3 Telephone Line Interface Specification 1.5.4 USB Host Interface (MB451/MB451w/MB471/MB471w/MB491/MB491+/ 1.5.4.1 Outline of USB Host Interface MB491+LP/ES4191 MFP/MPS4200mb/MPS4700mb) (1) Basic Specification 1.5.3.1 Outline of telephone Line Interface (2) Transmission Mode The machine will reliably communicate with distant stations over voice-level telephone line.

  • Page 35: Wireless Lan Interface(Mb451W/Mb471W)

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5.5 Wireless LAN Interface(MB451w/MB471w) 1.5.5.1 Outline of Wireless LAN (1) Specification IEEE 802.11b/g/n (2.4GHz) (2) Power connector USB Micro B (3) Power supply voltage (4) MFP side interfaces IEEE 802.3u 10/100BASE (LAN port) USB Micro B X: Do not connect.
  • Page 36 Oki Data CONFIDENTIAL OPERATIONAL EXPLANATION 2.1 Electrophotographic process mechanism ........2-2 2.2 Printing process ................2-6 2.3 Toner entrance detection ..............2-9 2.4 Image Scanning process ............2-10...

  • Page 37: Electrophotographic Process Mechanism

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.1 Electrophotographic process mechanism (1) Electrophotographic process Charging The following describes the overview of electrophotographic process. Charge the image drum surface by implying voltage to the charged roller that contacts the image drum surface.
  • Page 38 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Image development Note! The necessary bypass voltage in image processing is impressed on the toner feeding roller and image developing roller as show below. Toner is attracted to the electrostatic latent image on the image drum surface, then the electrostatic latent image changes to toner image.
  • Page 39 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Transfer Fusing The transfer roller, which is from conductive sponge material, is created to meet After the termination of transfer the unsettled toner image is settled to paper by intimate attachment of image drum roller surface and feeding paper. The feeding heat and pressure while passing between Heat roller and Back up roller.
  • Page 40 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Drum cleaning After completion of transfer, the toner remaining on the image drum is scraped off by the cleaning blade. As a result of this, the surface of the image drum is cleaned, and the remaining toner that has been scraped off is collected as waste toner in a waste toner area.

  • Page 41: Printing Process

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.2 Printing process The paper fed from Tray 1 and Tray 2 is conveyed by feeding roller, conveying roller, and resist Face down stacker Registration roller Entrance Ejecting Stacker Cover roller. When feeding paper is from MPT, it is conveyed by MPT, feeding roller, and resist roller.
  • Page 42 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (1) Paper feeding from Tray 1 (2) Paper feeding from Multipurpose tray (MPT) (MB451/MB451w/MB471/MB471w/ MB491/MB491+/MB491+LP/ES4191 MFP/MPS4200mb/MPS4700mb) As DC motor rotating (Clockwise rotation), if set the paper feeding clutch as ON, as the paper feeding roller and pick up roller rotating, the paper that is As DC motor rotating (Clockwise rotation), if set paper feeding clutch as inside the tray is conveyed.
  • Page 43 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (3) Fuser unit and paper ejecting (4) Paper reversing and paper multi-feeding The fuser unit is driven by the DC motor. After the DC motor starts running In a certain period of time after the paper rear end passes the eject sensor (clockwise), the heat roller starts rotating.

  • Page 44: Toner Entrance Detection

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.3 Toner entrance detection 2.3.1 Toner sensor detection principle 2.3.2 Toner count principle Toner low is detected by the toner sensor (reflect sensor) installed in the printer. The light After the image data is transformed into binary data which can be printed by the printer, the shield plate is installed in the ID, and its rotation is synchronized with mixing of toner.

  • Page 45: Image Scanning Process

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.4 Image Scanning process 2.4.1 Structure and process of RADF 2.4.1.2 Electrical configuration Electrical circuit configuration 2.4.1.1 Cross-section view This Scanner is controlled by the SU board (MHE). The ASIC mounted on the SU board (MHE) control the DC load devices such as motor, solenoid and clutch via the ADF board (MHD), in dependance of the sensor signals and control signals from the CU/PU board (98M) not to be shown in the below figure.

  • Page 46: Fundamental Operations

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.4.1.3 Fundamental operations Overview of operation modes There are four operation modes that are executed by the MFP. The respective operation Drive force trasmission diagram modes are executed in accordance with the instructions given by the connected equipment The MFP is a document feed device of skim reading only.
  • Page 47 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Normal direction feed paper and unload paper (single-sided document → single sided print) operation Outline of document flow is shown below. Supplement : When a single-sided document is selected, this operation is performed regardless of the same size mixed documents or different sizes mixed documents.
  • Page 48 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Normal direction feed paper/Inverted unloading of paper (both-sided document both sided print) operation → Outline of document flow is shown below. Supplement : When a both-sided document is selected, this operation is performed regardless of the same size mixed documents or different sizes mixed documents.

  • Page 49: Document Detection

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.4.1.4 Document detection Detection of final document The document set sensor (PI14) detect if the document that has started of the final document Document present/absent detection has passed the set sensor lever, the detection lever moves together with the light-shielding Document present/absent detection on the document tray is performed by document set plate so that the photo interrupter that has been shutting down the light, passes the light.

  • Page 50: Jam Detection

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.4.1.5 Jam detection 2.4.2 Document table structure Document jam is detected by the sensors shown in the illustration.Check timing of the 2.4.2.1 Overview document jam detection has already been memorized in the ROM of the sensor main PCB...

  • Page 51: Exposure Block

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.4.2.2 Exposure block 2.4.2.3 Carraige-Assy drive mechanism Carriage-Assy drive mechanism Carriage-Assy performs the function of irradiating the lamp light uniformly over a document while moving its position. The carriage-Assy is driven by a belt which is driven by the FB motor. Scanner moves at the scan speed corresponding to the respective magnification ratios that are set with reference to the standard scanning speed.

  • Page 52: Mfp Installation

    Oki Data CONFIDENTIAL MFP INSTALLATION 3.1 Precautions and Prohibition ............3-2 3.2 MFP Unpacking Procedure ............3-3 3.3 MFP Installation Instructions ............3-4 3.4 Packed Units and Attachments ............3-5 3.5 Assembly Procedure ..............3-6 3.6 Configuration Page Print ............3-20 3.7 Network Information Print ............3-22 3.8 Connection Procedures ..............3-23...

  • Page 53: Precautions And Prohibition

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.1 Precautions and Prohibition Warning Caution • Do not install the MFP at the place where the vent hole is blocked. • Do not install the MFP in the vicinity of high temperature or fire.

  • Page 54: Mfp Unpacking Procedure

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.2 MFP Unpacking Procedure Warning Personal injury may occur. This MFP weighs about 20kg. So lift it up with 2 or more persons. • Open the upper lid. • Take out the accessory box.

  • Page 55: Mfp Installation Instructions

    • Place the MFP on a flat desk with enough space for the legs of the MFP . • Secure enough space around the MFP . Top View Side View (tray 2 installed) (193cm) 20cm 50cm 50cm (110cm) 100cm MB461+LP/MB491+LP/MPS4700mb : 89cm 20cm Other : 83cm 44871001TH Rev.6...

  • Page 56: Packed Units And Attachments

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.4 Packed Units and Attachments • Confirm whether there are scratches, stains, etc. on the exterior of the MFP . MFP Software DVD • Confirm whether there are lacking items, damages, etc. among the accessories.

  • Page 57: Assembly Procedure

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.5 Assembly Procedure 3.5.1 MFP Main Body (3) Remove the protection tapes to open the MP tray. Remove Protective Equipment (1) Lift the machine and place it where it is to be installed. Note! Do not open the scanner unit till the procedure no.9 is completed.
  • Page 58 3. MFP INSTALLATION Oki Data CONFIDENTIAL (5) Close the MP tray. (8) Close the document glass cover. Now, you can open or close the scanner. (6) Open the document glass cover. (9) Open the scanner unit. (10) Remove the protection tapes, and remove desiccants and films.
  • Page 59 3. MFP INSTALLATION Oki Data CONFIDENTIAL (12) Lift the image drum from printer. (14) Reinstall the image drum in the printer:lower it into place in the printer locating the pegs ❶ at each end into their slots in the sides of the printer cavity ❷ .
  • Page 60 3. MFP INSTALLATION Oki Data CONFIDENTIAL Loading Paper in Tray 1 and Tray 2 (3) Slide the paper stopper (2) to the length of paper to be loaded. The following procedure explains how to load paper in tray 1 or tray 2 (optional).
  • Page 61 3. MFP INSTALLATION Oki Data CONFIDENTIAL (5) Load paper with the print side face down. Loading Paper on the MP Tray (MB451/MB451w/MB471/MB471w/MB491/MB491+/MB491+LP/ES4191 MFP/ Note! Do not load paper above the fill line (3). MPS4200mb/MPS4700mb) The following procedure explains how to load paper on the MP tray.
  • Page 62 3. MFP INSTALLATION Oki Data CONFIDENTIAL (4) Adjust the manual feeding paper guide to the width of paper to be loaded.. (6) Press the Set button. Set button (5) Insert the paper with the print side face up until its edge touches the paper feed entrance.
  • Page 63 3. MFP INSTALLATION Oki Data CONFIDENTIAL Loading Paper on the Manual Feeder (MB441/MB461/MB461+LP) (3) Load a paper. The following procedure explains how to load paper on the Manual Feeder. (1) Open the Manual Feeder. Note! Only one sheet can be set in the Manual Feeder each time.

  • Page 64: Loading Documents On The Document Glass

    3. MFP INSTALLATION Oki Data CONFIDENTIAL Loading Documents on the ADF Loading Documents on the Document Glass (1) Load your documents face up on the ADF. (1) Lift and open the document glass cover. If your documents are portrait, load them with the top edge of the documents in first.

  • Page 65: Power Cable Connection

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.5.2 Power Cable Connection Turning On the Machine Conditions for Power Supplies (1) Plug the AC cord into the AC power socket of the machine. • Observe the following conditions: Alternate Current (AC) : 110 ~127VAC(Range 99~140VAC)/220~240VAC(Range 198~264VAC) Power Supply Frequency : 50Hz or 60Hz±2%...
  • Page 66 3. MFP INSTALLATION Oki Data CONFIDENTIAL Turning Off the Machine (1) Hold down the power switch for about a second. Note! Press the power switch for less than 5 seconds. The message [Shutdown in progress. Please wait. The machine turns off automatically.] appears in the operator panel, and power switch indicator...

  • Page 67: Installation Of Optional Components

    This section explains how to install options. The following options are available: • Second tray unit (1) Hold down the power switch for about a second to turn off the power, and then (for MB461/MB461+LP/MB471/MB471w/MB491/MB491+/MB491+LP/ES4161 MFP/ ES4191 MFP/MPS4200mb/MPS4700mb) unplug the AC cable and the Ethernet or USB cable.
  • Page 68 3. MFP INSTALLATION Oki Data CONFIDENTIAL (4) Attach the lock parts. (5) Plug the AC cable and Ethernet or USB cable into the machine, and then push the power switch. 3-17 44871001TH Rev.6...
  • Page 69 For Windows XP/Windows Server 2003, click [Start] → [Printers and Faxes]. (3) Select the [Device Options] tab. (2) Right-click the [OKI MB491 (PS)] icon and then select [Printer properties]. For Windows Server 2008, Windows Vista, Windows Server 2003 and Windows XP select [Properties].
  • Page 70 3. MFP INSTALLATION Oki Data CONFIDENTIAL (4) For the network connection, select [Get installed options automatically] under (4) Select the total number of trays installed on the machine for [Available Tray], and [Installable Options], and then click [Setup]. then click [Apply Changes].

  • Page 71: Configuration

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.6 Configuration Page Print Make sure that the MFP operates normally. (Sample) MB461 (1) From the panel, press "Setting" button. (2) Select "Reports". (3) Select "Configuration". (Press the down button to go to "Configuration" and then press the right button.) 3-20 44871001TH Rev.6...
  • Page 72 3. MFP INSTALLATION Oki Data CONFIDENTIAL (Sample) MB471 (Sample) MB491 3-21 44871001TH Rev.6...

  • Page 73: Network Information Print

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.7 Network Information Print Make sure that the MFP operates normally. (Sample) In case of MB491 (1) From the panel, press "Setting" button. (2) Select "Reports". (3) Select "System". (4) Select "Network Information". (Press the down button to go to "Network Information" and then press the right button.)

  • Page 74: Connection Procedures

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.8 Connection Procedures <USB Connection> Connect the with the computer. (1) Plug one end of the USB cable into the USB connection on the back of the MFP . Prepare a USB Cable. Note! • The cable of the MFP is not attached. Users should buy seperately.
  • Page 75 3. MFP INSTALLATION Oki Data CONFIDENTIAL <LAN Cable Connection> (2) Plug the other end of the Ethernet cable into the hub. Prepare the LAN cable. Switch off the power of the MFP and computer. Connect the computer and MFP. (1) Plug one end of the Ethernet cable into the network connection on the back of the MFP .
  • Page 76 3. MFP INSTALLATION Oki Data CONFIDENTIAL <TEL cable/ Line Cable Connection> Connecting for Fax and Telephone Prepare the TEL cable and Line cable. (1) Plug one end of the [Telephone cable] into the [LINE connection] of the machine and the other end into a [Public Line (Analog)].
  • Page 77 3. MFP INSTALLATION Oki Data CONFIDENTIAL (3) Plug the external telephone's cable into the [TEL connection] of the machine. - When you send fax or receive, the fax picture may be broken or communication error may occur by picking up the telephone.

  • Page 78: Checking Of User Paper

    3. MFP INSTALLATION Oki Data CONFIDENTIAL 3.9 Checking of User Paper Load the media used by the user in the printer, make media weight/media type setting, print out MenuMap/Demo Page, and check printouts to make sure that no toner flakes off.

  • Page 79: Replacement Of Parts

    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 (44871001TL) and RSPL (44871001TR) for the manual.

  • Page 80: Notes On Replacement Of Parts

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.1 Notes on replacement of parts (1) Prior to replacing a part, unplug the AC cord and the interface cable. (2) Do not disassemble the printer so long as it operates properly. (a) Be sure to use the following procedure to unplug the AC cord: (3) Minimize disassembly.

  • Page 81: Maintenance Tools

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Maintenance Tools: Table 4-1-2 shows the tools necessary to use Maintenance Utility software. Table 4-1-1 shows the tools necessary to replace printed-circuit boards and units: Table 4-1-2: Maintenance Tools Maintenance Tool Quantity Remarks Table 4-1-1: Maintenance Tools...

  • Page 82: Part Replacement Procedure

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2 Part replacement procedure This section describes the procedure for replacing the parts and assemblies shown in the disassembly diagrams below. 4.2.1 Cover Side (L) (1) Remove the cassette assembly. (2) Open the Scanner, Cover-Assy-Stacker, Frame-Assy-MPT and Cover-Assy-Rear.

  • Page 83: Cover Side(R) / Sd Card

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.2 Cover Side(R) / SD Card (5) Remove the Screw (Black) and the Screw (Silver) (6) Unlatch the claws (7points) with to pull the front side of the mainbody to the arrow (1) Remove the Plate Shield (Accesse) .

  • Page 84: Board 98M

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.3 Board 98M (3) Remove four Screws (Silver) to detach the Board 98M (1) Remove the Cover Side (R). (Refer to 4.2.2) (2) Remove four Screws (Silver) , and remove the Plate Shield (CU)

  • Page 85: Pwr Unit

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.4 PWR unit Warning Electric shock hazard When replacing the low-voltage power supply, electric shock may occur. Wear insulated gloves, or be careful not to touch the conductors or terminals of the power supply directly. After the AC cord is unplugged, the capacitor may take about one minute to discharge completely or, due to PCB breakdown, could not discharge.
  • Page 86 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (Note on removing / installing) 1. Assemble the POWER to main body in accordance to the groove on guides (2 points). guide 44871001TH Rev.6...

  • Page 87: Cover Stay(R) / Cover Stay(L)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.5 Cover Stay(R) / Cover Stay(L) (1) Remove the Cover-Side (L). (Refer to 4.2.1) (2) Remove the Cover Stay (L) (3) Remove the Cover Side (R) . (Refer to 4.2.2) (4) Remove the Screw (Black) to detach the Cover-Stay(R) 44871001TH Rev.6...

  • Page 88: Cover Front (Top)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.6 Cover Front (Top) (1) Remove the Cover Side (R) and Cover Side (L). (Refer to 4.2.1 and 4.2.2) (2) Remove two-Screws (Black) to detach the Cover Front (Top) 4-10 44871001TH Rev.6...

  • Page 89: Sw Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.7 SW Assy (1) Remove the Cover Side (R). (Refer to 4.2.2) (2) Close the Frame-Assy-MPT. (3) Remove the Cable. (4) Remove the Screw (Silver) and to detach the SW Assy Cable View A...

  • Page 90: Scanner Unit

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8 Scanner unit (5) Disconnect the FFC and the Cable from the CU/PU Board (1) Remove the Cover Side (L) and the Cover Side (R). (Refer to 4.2.1 and 4.2.2) (2) Remove the Cover Stay (R) and Cover Stay (L). (Refer to 4.2.5)
  • Page 91 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (7) Open the scanner and remove the E-shaped retainer ring (RE4-SK) Note! (to assemble) screw 1. The case of to assemble for the scanner unit to the Mainbody, insert the the Shaft-Stopper (hinge) to the hole with the marked 'N' on the Plate Assy Stay (R).

  • Page 92: Tray-Assy-Document / Cover-Adf-R-Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.1 Tray-assy-document / Cover-ADF-R-assy (4) Push the portion A. (Concurrent to push the (3) ) (1) Open the cover-assy-top-ADF . (2) Remove the tray-assy-document by pull it in the direction of the arrow. Cover-assy-top-ADF (5) Remove the cover-ADF-R-assy in the direction of the arrow.

  • Page 93: Adf-Unit

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.2 ADF-unit (4) Remove the ADF-unit by insert the screwdriver to gap between ADF-unit flatbed-unit. (1) Remove the cover-ADF-R-assy. (See 4.2.8.1) (2) Detach a connector from the ADF board (MHD), and remove the screw to remove the FG cable.

  • Page 94: Sheet-Document / Paper-Weight-Assy / Spring-Pw-Adf

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.3 Sheet-document / Paper-weight-assy / Spring-PW-ADF <Attention of affix the sheet-document> (1) Degrease the affix area of ADF-unit. (1) Open the ADF-unit. (2) Remove the peeling-off sheet. (2) Remove the sheet-document (3) Set the sheet-document (see the figure below).

  • Page 95: Hinge-Assy-L / Hinge-Assy-R

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.4 Hinge-assy-L / Hinge-assy-R (1) Remove two screws (L=10mm) and remove the hinge-Assy-R (* for MB461+LP/MB491+LP/MPS4700mb: Remove two pairs of screw washer L=10mm (for MB461+LP/ MB491+LP/ MPS4700mb) (2) Remove two screws (L=10mm) and remove the hinge-Assy-L...

  • Page 96: Cover-Adf-F / Guide-Assy-Exit-Sub / Adf-Assy / Adf Board (Mhd)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.5 Cover-ADF-F / Guide-assy-exit-sub / ADF-assy / ADF (3) Open the cover-top-ADF . board (MHD) (1) Turn the ADF unit upside down and remove the support-sponge Cover-top-ADF (4) Push the claw of cover-ADF-F Claw (2) Remove the guide-assy-exit-sub by pull it in the direction of the arrow.
  • Page 97 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Push the portion A (2 places). (Concurrent to push the (4) ) (7) Remove the screw (silver) and remove the ADF board (MHD) (8) Remove two screws (black) and remove the ADF-assy (6) Remove the cover-ADF-F in the direction of the arrow.

  • Page 98: Cover-Assy-Top-Adf / Guide-Assy / Roller / Motor / Clutch / Solenoid

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.6 Cover-assy-top-ADF / Guide-assy / Roller / Motor / Clutch / Solenoid (1) Remove the cover-assy-top-ADF (2) Remove the guide-assy-A (3) Remove the guide-B (4) Remove the guide-cable (5) Remove the guide-assy-C (6) Remove the guide-assy-D...

  • Page 99: Guide-A-Sub / Frame-Assy-Separator / Spring-Separator / Rubber-Friction

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.7 Guide-A-sub / Frame-assy-separator / Spring-separator / 4.2.8.8 Cable (ADF-Rev SNS) Rubber-friction (1) Remove the cable (1) Remove the guide-A-sub with rubber-friction (2) Remove the frame-assy separator and spring-separator Note! • If change the …...

  • Page 100: Cable (Adf-Reg Sns)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.9 Cable (ADF-Reg SNS) 4.2.8.10 Frame-assy-OP (1) Remove the cable (1) Remove eight claws to remove the frame-assy-OP View A Claws Claws Claws View A 4-22 44871001TH Rev.6...

  • Page 101: Frame-Op-Panel / Ope Board (Except Mb441/Mb461/Mb461+Lp/Es4161 Mfp)

    Oki Data CONFIDENTIAL 4.2.8.11 Frame-OP-panel / OPE board (3) Remove the rubber-pad (R) and rubber-pad (L) (Except MB441/MB461/MB461+LP/ES4161 MFP) (4) Remove the button and lens (1) Remove eight claws to remove the OPE board (OPM) (5) Remove the cover bottom...

  • Page 102: Frame-Op-Panel / Ope Board (Mb441/Mb461/Mb461+Lp/Es4161 Mfp)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.12 Frame-OP-panel / OPE board (3) Remove the rubber-pad (R) and rubber-pad (L) (MB441/MB461/MB461+LP/ES4161 MFP) (4) Remove the button and lens (1) Remove eight claws to remove the OPE board (OPM) (5) Remove the cover bottom...

  • Page 103: Lcd-Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.13 LCD-assy (1) Remove the LCD-assy 4-25 44871001TH Rev.6...

  • Page 104: Frame-Assy-Fb

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.14 Frame-assy-FB (6) Remove the screw (silver-colored M4) to remove the Plate-FG . (for MB451, MB451w, MB471, MB471w, MB491, MB491+, MB491+LP , ES4191 MFP , Note! • It exchanges it detaching the scanner unit from the MFP when the SU-board MPS4200mb and MPS4700mb) is exchanged.
  • Page 105 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Only MB461+LP/MB491+LP/MPS4700mb L=10mm L=10mm L=10mm To printer L=10mm L=10mm To printer To printer 4-27 44871001TH Rev.6...

  • Page 106: How To Remove Battery (Su Board Mhe)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.15 How to remove Battery (SU Board MHE) (2) How to remove the battery. Insert finger, a needle or a rod in the gap between the battery and the its holder. (1) The position of the battery is shown in the below picture.

  • Page 107: Frame-Assy-Hopping-Adf

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8.16 Frame-assy-hopping-ADF (2) Remove the Frame-assy-hopping-ADF and the Stopper-Assy-Gate (1) Slide the Gear-shaft-hopping while opening the stopper. Cear-shaft-hopping Stopper 4-29 44871001TH Rev.6...

  • Page 108: Plate Stay L / Plate Assy Stay R

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.9 Plate Stay L / Plate Assy Stay R (1) Remove the Scanner unit. (Refer to 4.2.8) (2) Remove three screws and remove the plate support L . Remove three screws and remove plate stay L (3) Remove the Cover Front (TOP).

  • Page 109: Led Head

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.10 LED Head 4.2.11 Frame-Assy-TR (1) Open the Stacker Cover. (1) Open the Stacker Cover. (2) Remove the ID UNIT. (2) Remove the ID UNIT. (3) Disengage the tab of the Holder-Head from the stacker cover by using a flat-head (3) Take the Frame-Assy-TR out of the printer.

  • Page 110: Duplex Belt Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.12 Duplex Belt Assy 4.2.13 DC Motor (1) Take out the Frame-Assy-TR. (Refer to 4.2.11) (1) Remove the Cover Side (R). (Refer to 4.2.2) (2) Remove the cassette and set the printer unit on its right side.
  • Page 111 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (4) Disconnect cables (4 point) from the CU/PUBoard (7) Remove three screws (Silver) to detach Duct Fan Power (5) Remove the PWR unit-ACDC Switch. (Refer to 4.2.4). (6) Unlatch the claws (2points), and remove the Motor-FAN (60 x 25)

  • Page 112: Hopping Clutch / Mpt Clutch / Regist Clutch

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.14 Hopping Clutch / MPT Clutch / Regist Clutch (5) Remove the PWR unit-ACDC Switch. (Refer to 4.2.4) (6) Remove the DC Motor . (Rever to Refer to 4.2.13) (1) Remove the Board MHE. (Refer to 4.2.3).
  • Page 113 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (8) Remove the screw (silver, L=8mm) to detach the Core (10) Remove two screws (Black) and the screw (Silver) , remove the Plate-Clutch- (9) Remove four screws (silver) , and remove the Plate Base (PWU) with to slide along to the arrow in figure.
  • Page 114 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4-36 44871001TH Rev.6...

  • Page 115: Hv-Board / Motor-Fan

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.15 HV-Board / Motor-FAN (1) Remove the Cover Side (L). (Refer to 4.2.1) (2) Remove the screw (Black) and four screws (Silver) , disengage the two tabs (a and b), and remove HV-Board . Be careful not to lose Spring-Contact that is removed with the board.

  • Page 116: Cover Assy Stacker

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.16 Cover Assy Stacker (4) Remove the screw (1) Remove the Scanner unit. (Refer to 4.2.8) (2) Remove the CU/PU Board. (Refer to 4.2.3) (3) Remove the Guide Cable Push 4-38 44871001TH Rev.6...
  • Page 117 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Remove two screws (Silver) . Remove the Cover-Eject (8) Remove the Cover Assy Stacker (At this moment, Plate-Rear is also removed. Be careful not to damage FG film. (9) Installing is performed by the reverse procedure with removing.

  • Page 118: Stacker Cover

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.17 Stacker Cover (1) Remove the Cover Assy Stacker. (Refer to 4.2.16) (2) Remove the LED Head. (Refer to 4.2.10) (3) Remove the Lever-Link-Fuser (on both sides). (4) Remove four screws (Black) , remove the Cover-Lever...

  • Page 119: Fuser Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.18 Fuser Assy (6) Remove the Guide Cable Note! Replace the Fuser-Assy by Assy unit. It is forbidden for disassembling the Fuser-Assy, also, reusing the disassembled Fuser-Assy. (1) Remove the Frame Assy TR. (Refer to 4.2.11) (2) Remove the Scanner unit.
  • Page 120 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (7) Remove the PWR unit-ACDC Switch. (Refer to 4.2.4) (10) Remove eight screws (Silver) to detach the Plate Bracket (CU) (8) Unlatch the claws (2 portions), and remove the Motor-FAN (60 x 25) from the Duct...
  • Page 121 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (13) Remove two screws (Silver) . Remove the Plate-Duct-Assy (14) Remove the screw (Silver) . Remove the Plate-Stacker-Lock (15) Remove the screw (Silver) and screw (Black) and lift off Fuser-Assy after disconnecting every cable from it.

  • Page 122: Mpt Assy, Manual Assy

    (2) Remove the Cover-Assy-OPE. (Refer to 4.2.8.11 ~ 4.2.8.13) (3) Remove two screws (Silver) . Remove the Plate-Front (4) Remove two screws (Silver) . Remove the screw (Black) In case of MB441/MB461/MB461+LP/ In case of MB451/MB451w/MB471/MB471w/ (5) Remove MPT Assy (for MB451/MB451w/MB471/MB471w/MB491/MB491+/ MB491/MB491+/MB491+LP/ES4191MFP...

  • Page 123: Cover Assy Rear

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.20 Cover Assy Rear (6) Unlatch the claws (2 portions), and remove the Motor-FAN (60 x 25) from the Duct Fan Power (1) Remove the CU/PU Board. (Refer to 4.2.3) Craw (2) Remove the screw (Silver)
  • Page 124 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (8) Remove eight screws (Silver) to detach the Plate Bracket (CU) (9) Remove the screw (Silver, L=8mm) , and remove core (10) Remove four screws (Silver) , and remove the Plate Base (PWU) with to slide along to the arrow in figure.
  • Page 125 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (11) Remove the Spacer (13) Remove two screws (Black) and separate Cover-Rear and Guide-Eject- Upper-Assy (12) Slide Cover Assy Rear and pull it out of the hole on the right of the printer. (Remove Cover Assy Rear...

  • Page 126: Guide Eject Lower Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.21 Guide Eject Lower Assy (1) Remove the Scanner unit. (Refer to 4.2.8) (2) Remove the Cover Assy Rear. (Refer to 4.2.20) (3) Remove two screws (Silver) . Remove the Cover-Eject (At this moment, Plate-Rear is also removed.)

  • Page 127: Eject Motor

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.22 Eject Motor (1) Remove the Scanner unit. (Refer to 4.2.8) (2) Remove the Cover Assy Stacker. (Refer to 4.2.16) (3) Remove the Cover Assy Rear. (Refer to 4.2.20) (4) Remove the Guide-Eject-Lower-Assy. (Refer to 4.2.21) (5) Remove two screws (Silver) .

  • Page 128: Plate Side R Assy / Plate Side L Assy / Front Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.23 Plate Side R Assy / Plate Side L Assy / Front Assy (1) Remove the Scanner unit. (Refer to 4.2.8) (2) Remove the Plate Stay L and Plate Assy Stay R. (Refer to 4.2.9) (3) Remove the CU/PU Board.

  • Page 129: Plate Side L Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.24 Plate Side L Assy (1) Separate the Plate Side L Assy. (Refer to 4.2.23) (2) Remove four screws (Silver) . Remove the Guide-Cassette-L and Spring-Lock- Cassette (3) Remove Lever-Sensor Cassette and Spring-Sensor from the Guide-...

  • Page 130: Plate Side R Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.25 Plate Side R Assy (1) Separate the Plate Side R Assy. (Refer to 4.2.23) (2) Remove two (or three) screws (Silver) . Remove the Guide-Cassette-R (3) Remove two screws (Black) . Remove the Connector (4) Remove four screws (Silver) .

  • Page 131: Front Assy

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.26 Front Assy 4.2.27 Roller Feed Assy (1) Separate the Front Assy. (Refer to 4.2.23) (1) Separate the Front Assy. (Refer to 4.2.23) (2) Remove two screws (Black) and Plate-Feed-B (2) Remove two screws (Black) and Plate-Feed-B (Be careful not to lose the gear that is removed with the plate.)

  • Page 132: Lever In Sensor / Lever Wr Sensor / Photo Interrupter

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.28 Lever In Sensor / Lever WR Sensor / Photo Interrupter (1) Separate the Front Assy. (Refer to 4.2.23) (2) Separate the Roller-Pressure and Roller Regist. (Refer to 4.2.26) (3) Remove two screws (Black) .

  • Page 133: Paper Feeding Roller (Roller-Pick-Up, Roller-Feed-Now, Roller-Assy-Mpt)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.29 Paper feeding roller Note! 1. To install the feed roller (with no gear: Roller-Feed-NOW) , keep pushing it until (Roller-Pick-Up, Roller-Feed-NOW, Roller-Assy-MPT) it clicks into place and is fixed to the shaft. 2. To install the feed roller (with a gear: Roller-Pick-Up) , keep pushing the cover •...
  • Page 134 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL • In the case of Multi-purpose Tray (MB451/MB451w/MB471/MB471w/MB491/MB491+/MB491+LP/ES4191 MFP/ MPS4200mb/MPS4700mb) Tab of feed roller cover (1) Turn off the printer. (2) Open the multipurpose tray and the paper support. (3) Open the feed roller cover by pushing its tab to the right.

  • Page 135: Frame-Assy-Retard, Spring-Retard

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.30 Frame-Assy-Retard, Spring-Retard (1) Remove the cassette. (2) Open the Retard-Cover by pushing two tabs in the directions of the arrows. (3) Remove Frame-Assy-Retard by pushing it in the direction of the arrow. (Spring-Retard is removed together.)

  • Page 136: W-Lan Board ( For Mb471W Only)

    4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.31 W-LAN Board ( for MB451w/MB471w) (3) Remove the LAN-Cable and the USB-Cable form the Board 98M (1) Remove the Cover Side(R) and the Cover Side(L). (Refer to 4.2.1/4.2.2) (2) Remove four Screws(Silver) to detach the plate Shield(CU)
  • Page 137 4.REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (4) Remove two Screws(Black) to detach the Cover Front(Top) with W-LAN (5) Remove a Screw to detach the Film WLAN Core from the inner side of the Board. Cover Front(Top) (6) Remove the W-LAN Board...
  • Page 138 Oki Data CONFIDENTIAL LUBRICATING POINT 5.1 Lubrication point ................5-2...

  • Page 139: Lubrication Point

    5. Lubricating point Oki Data CONFIDENTIAL Lubrication point This subsection indicates the lubricating points of the printer. Conversely, it means that any other parts than the specified lubricating points must not be lubricated. There is no need to lubricate in the midst of a disassembling job. However, if lubricating oil has been wiped off, supply the specified oil.

  • Page 140: Printer

    5. Lubricating point Oki Data CONFIDENTIAL ② -1 44563501PA Plate-Assy-Side-R 5.1.1 Printer EM-30LP Class C ① 44563401PA Plate-Assy-Side-L Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas. (Shaft end surface side) Plate-ID-Gear (Caulking) ② -2 44563501PA Plate-Assy-Side-R Gear-Reduction-Z14-Z70...
  • Page 141 5. Lubricating point Oki Data CONFIDENTIAL ③ 44452801PA Frame-Assy. -Hopping ④ -1 44453301PA Frame-Assy. -Regist EM-30LP Class C Plate-Feed-A Caulking Apply a normal amount of MOLYKOTE (EM-30LP) to the hatching areas (Shaft end surface side) EM-30LP Class C Apply a normal amount of...
  • Page 142 5. Lubricating point Oki Data CONFIDENTIAL ④ -2 44453301PA Frame-Assy. -Regist ⑤ -2 44561501PA Front-Assy. Note:1 EM-30LP Class A Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas. (Side of roller and ditch of shaft) (The other side is also the same.
  • Page 143 5. Lubricating point Oki Data CONFIDENTIAL ⑥ 44359201PA Frame-Assy. -MPT/ ⑦ 44564001PA Guide-Assy-Eject-U 44564201PA Frame-Assy-Manual (MB461/MB461+LP) EM-30LP Class A Apply a normal amount of MOLYKOTE (EM-30LP) to the EM-30LP Class B hatched areas. Apply a normal amount of (Side of roller and ditch of shaft) (The other side is also the same.
  • Page 144 5. Lubricating point Oki Data CONFIDENTIAL ⑧ -1 44559301PA Frame-Assy-TR Detail Note1) Please wipe the amount that grease began to see the sliding area off. Note:1 EM-30LP Class A Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas.
  • Page 145 5. Lubricating point Oki Data CONFIDENTIAL ⑧ -2 44559301PA Frame-Assy-TR ⑧ -3 44559301PA Frame-Assy-TR EM-30LP Class C Apply a normal amount of MOLYKOTE (EM-30LP) to EM-30LP Class C C-9310 or C-5005 Class A the hatching areas Apply a normal amount of...
  • Page 146 5. Lubricating point Oki Data CONFIDENTIAL ⑨ 44563701PA Duplex-Assy ⑩ 44565801PA Fuser-Assy EM-30LP Class B Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas. (Shaft end surface side) Bearing-DUP Roller-Feed_Dup MXL87-Belt-Dup Bearing-DUP EM-30LP Class B Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched areas.
  • Page 147 5. Lubricating point Oki Data CONFIDENTIAL ⑪ -1 44914801PA Printer-Unit ⑫ 44564901PA Cover-Assy-Stacker HANARL SF-133 Class C Lever-Lock-Button sliding surface (All circumderence of the hatching portion) EM-30LP Class D Apply MOLYKOTE (EM-30LP) at the 3 places (120˚ divide) on the hatched areas.

  • Page 148: Scanner

    5. Lubricating point Oki Data CONFIDENTIAL ② 44659101PA Gear-Idle-Assy 5.1.2 Scanner ① 44909201PA Plate Assy-Stay (R) : [FN296/7] Slider-Hinge Gear-Planet SF-133 Class C Apply a normal amount of HANARL (SF-133) to the hatched area. (all circumference of post) (30) Application Direction...
  • Page 149 5. Lubricating point Oki Data CONFIDENTIAL ③ 44875701PA ADF-Assy : [FN296/7] Portion A Bearing-Regist EM-30LP Class C Bearing-Shaft Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched area. (all circumference of shaft) Motor-Z20 Portion E EM-30LP Class C Apply a normal amount of...
  • Page 150 5. Lubricating point Oki Data CONFIDENTIAL Portion B, C, D and E For detail Apply to 1 place with range 10mm or more. (The applica- tion place is arbitrary) It is application to a state without a Frame-ADF SF-133 Class C lump jumping out of an Gear tooth top, the tooth bottom.
  • Page 151 5. Lubricating point Oki Data CONFIDENTIAL ④ 44912501PA Frame-Assy-Hopping-ADF Portion J Portion H Portion G Portion G SF-133 Class C Apply a normal amount of HANARL EM-30LP Class B (SF-133) to the hatching area. (All circumference of shaft) Apply a normal amount of MOLYKOTE (EM-30LP) to the hatched area.
  • Page 152 5. Lubricating point Oki Data CONFIDENTIAL ⑤ 44452701PA Front Assy.-Reg/Hop Portion H Slider-Hinge (ADF) Gear-Planet Frame-Pickup EM-30LP Class B Case-Hinge-L Apply a normal amount of MOLYKOTE Case-Hinge-R (EM-30LP) to the hatched area. (ADF) (ADF) (All circumference of shaft) Portion J...
  • Page 153 5. Lubricating point Oki Data CONFIDENTIAL ⑥ 44538701PA Tray-Assy-Document 2) 44539401 Case-Hinge-L 44538801 Tray-Document EM-D110 Class C Apply a normal amount of MOLYKOTE (EM-D110) to the hatched area. (4 surface) SF-133 Class C Apply a normal amount of HANARL (SF-133) to the hatched area.
  • Page 154 5. Lubricating point Oki Data CONFIDENTIAL ⑦ 44534901PA Roller-Assy-Eject-ADF ⑧ 44909401PA Frame-Assy-FB : [FN296/7] 44939601PA Frame-Assy-FB : [FX750MLK] 45111601PA Frame-Assy-FB : [FN296/7 Legal-FB] Roller-Eject-ADF Lever-Separator-EX Washer-A EM-30LP Class A Apply a normal amount of MOLYKOTE (EM-30LP) to slide portion of Lever-Separator- EX and Roller-Eject-ADF.
  • Page 155 5. Lubricating point Oki Data CONFIDENTIAL ⑨ 44530702PA Guide-Assy-Top-B 2) 44596402PA Motor-Assy 44522701PP Gear-Idle 44522801PP Gear-Pulley Apply to 1 place. (The application place is arbitrary) It is application to a state without a lump jumping Detail Fig-2 out of an Gear tooth top, the tooth bottom.

  • Page 156: Maintenance Menus

    Oki Data CONFIDENTIAL MAINTENANCE MENUS MB461/MB471/MB491 can be adjusted by using Maintenance Utility, or button operation on its operator panel. The printer has maintenance menus in addition to general menus. The menus intended for adjustment purposes should be selected. 6.1 Maintenance Menu ...............6-2 6.2 Service Bit Menu ................6-10...

  • Page 157: Maintenance Menu

    "However, operation when JP1/JPOEM/OEMA/OEML is chosen is not guaranteed. The display condition of the menu is following two. ① "System Maintenance" - "When "OKIUSER" is other than JPOEM1, OEMA or OEML ② "Manufacturer" is "OKI DATA CORP". Format SD Execute Formats the SD card.
  • Page 158 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Default Default Default Item1 Item2 Item3 Item4 Item5 Value value value value Notes Password System Test Print Enable Switches between displaying and not displaying the "ID Check" and "Engine Maintenance Menu Disable Information" in the "Report" - "Print Report" category (default: DISABLE). If this item is set to "DISABLE,"...
  • Page 159 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Default Default Default Item1 Item2 Item3 Item4 Item5 Value value value value Notes Password Scanner Adjust Scan Side Reg. +8 ~ -8 mm Adjusting the position of the scanning start pixel by one Step=4/600 dpi (= 0.17mm) at...
  • Page 160 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Default Default Default Item1 Item2 Item3 Item4 Item5 Value value value value Notes Password Scanner Adjust Mech. Adjust ADF ADF Keep 10 ~ 1400 [mA] 200 [mA] 200 [mA] Maintenance Motor Current Adjust CIS...
  • Page 161 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Default Default Default Item1 Item2 Item3 Item4 Item5 Value value value value Notes Only for engineering test Password Scanner R3 (03h) Maintenance Parameter R32 (20h) Change AFE (IC) register settings (3 - 9 settings).
  • Page 162 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Default Default Default Item1 Item2 Item3 Item4 Item5 Value value value value Notes Password Scanner Mechanical FBS Test Speed Mono 300 x 600dpi Conduct mechanical testing (without reading an image). Maintenance Test Mono 600 x 600dpi...
  • Page 163 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Default Default Default Item1 Item2 Item3 Item4 Item5 Value value value value Notes Tone send test conducted. Password Line Test Tone Send 2100Hz Maintenance Test 1850Hz *This menu 1650Hz not shown 1100Hz on models...
  • Page 164 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Default Default Default Item1 Item2 Item3 Item4 Item5 Value value value value Notes Password Print Dot Shift Tray2 "-2.0mm 0.0mm 0.0mm 0.0mm "Set the dot shift for the horizontal direction when printing from Tray2.

  • Page 165: Service Bit Menu

    6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.2 Service Bit Menu Additional Fax Setting menu Item Settings Description (When setup ServiceBit=ON, the following items will be displayed at Admin Setup→Fax Calling Timer 1~255 second Sets the call connection wait Depends on Country time (TO timer).

  • Page 166: Maintenance Utility

    6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.3 Maintenance Utility 6.3.1 Maintenance Utility Section in Operation from Maintenance operator panel Option Adjustment Utility (section in this The adjustments described in table 5-1 should be made by using Maintenance Utility. Operating maintenance...

  • Page 167: Maintenance Utility

    6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Section in Operation from Section in Operation from Maintenance operator panel Maintenance operator panel Option Adjustment Utility (section in this Option Adjustment Utility (section in this Operating maintenance Operating maintenance Manual manual) Manual manual) 11 Password Initializes a Password.

  • Page 168: Self-Diagnostic Mode

    ( XXXXX ). The following operational description on the self-diagnostic is premised on the following operator panel layout: Normal operation mode Example : MB461 LEVEL0- engine status LEVEL1-ENGINE DIAG MODE XX.XX display...
  • Page 169 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL (1) How to select the menu items XXXX Menu items can be selected by long pressing of [4] or [ ], or by short pressing of [2] or [8]. LEVEL0 XXXX Menu items can be entered by pressing of [6] or [4], and can be selected by pressing of [2] or [8].
  • Page 170 6. MAINTENANCE MENUS 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 Menu items can be entered by pressing of [6] or [ ], and can be selected by pressing of [2] or [8].

  • Page 171: Ordinary Self-Diagnostic Mode (Level)

    6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.2 Ordinary self-diagnostic mode (level 1) 6.4.2.1 Entering self-diagnostic mode (level 1) 1. Make sure that the LCD is in standby state (no Error window is shown) and Menu items of the ordinary self-diagnostic mode are shown below.
  • Page 172 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.2.3 Switch scan test This self-diagnostic menu is used to check the entry sensor and the switch. ] or Enter the self-diagnostic mode (level 1), press the [2 key repeatedly ,and Face down stacker press the [6] key when the "SWITCH SCAN"...
  • Page 173 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 4-3 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 opened. Display area, Display...
  • Page 174 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.2.4 Motor clutch test This self-diagnostic menu is used to test the motor and clutch. ] or 1. Enter the self-diagnostic mode (level 1), press the [2 key repeatedly ,and Registration roller 2nd eject roller press the [6] key when the "MOTOR &...
  • Page 175 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 4-4 Unit name display Drive restriction condition Remarks MAIN MOTOR EXIT MOTOR FWD FaceUp Cover close EXIT MOTOR REV FaceUp Cover open REGIST CLUTCH MAIN MOTOR driving T1 HOP CLUTCH MAIN MOTOR driving...
  • Page 176 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.2.5 Test print Display Setting Function value This self-diagnostic menu is used to print the test pattern that is built inside PU. Other test PRINT EXECUTE – Pressing the [6] key starts print/Pressing the patterns are stored in the controller.
  • Page 177 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL While the message "PRINT EXECUTE" that is set by the operation specified in step Print pattern (It cannot be used for checking PQ.) 2 is being displayed, press the [6] key and the test print is executed with the setting 0 to 15..
  • Page 178 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL • Displays are switched by pressing the [2] key. • Displays are switched by pressing the [2] key. KR=*.** TROFF:** KR : BLACK transfer roller resistance value [unit: uA] TROFF : Transfer OFF voltage setting table ID number [unit: HEX] Repeat steps 2 to 4 as required.
  • Page 179 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.2.6 Consumable item counter display 6.4.2.7 Number of print copies counter display This self-diagnostic menu is used to display the consumption status of the consumable items. This self-diagnostic menu is used to display status of the number of copies of a printer.
  • Page 180 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.2.8 Switching between the Factory mode and the Shipping mode 6.4.2.9 Self-diagnostic function setting This self-diagnostic menu item is used to switch between the Factory mode and the Shipping This self-diagnostic menu is used to set valid/invalid of the error detection by the various mode.
  • Page 181 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.2.10 LED head serial number display Operation at the Display Setting value Function setting value This self-diagnostic menu item is used to check whether the downloaded LED head data TONER SENSOR ENABLE Detects Valid/Invalid of toner sensor matches the serial number of the actual LED head.
  • Page 182 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.4.3 Adjustment at part replacement Adjustment is necessary while replacing the following part. Replacing part Adjustment Main PCB board EEPROM data upload / download 6.4.3.1 EEPROM data upload / download method In the case of replacing the Print Board of Controller, copy the old EEPROM content to the new EEPROM of new board and then save the customer setting.

  • Page 183: Switch Pressing Function When Power Supply Is Turned On

    6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.5 Switch pressing function when power supply is turned on When power supply of printer is turned on, the functions of usable switches are as follows. And, the switches below are effective when pressed before LED is lighted in the special start confirming pattern.

  • Page 184: Settings After Parts Replacement

    6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.6 Settings after Parts Replacement The necessary adjustments after the parts exchange are explained as follows. information cannot be removed. Configure CU-block serial number information (Maintenance Utility Operating Manual, section 2.4.1.1.9.4) when the setting...
  • Page 185 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL • If you want to specify the PU serial number, please add a "0" (a • On the menu of [Section 2.4.1.1.4.3, Serial number information normal-width zero) then input the 11-digit number. (Please notice setting] of [Section 2.4.1.1.4 CU circuit board setting function],...
  • Page 186 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL (2) [When not facing OEL] (2-2) Set the CU serial number CU serial numbe setting is unnecessary When not facing OEL. (2-1) Set the PU serial number (Maintenance utility operation manual, Section 2.4.1.2, PU circuit (3) Change to Shipping mode (section 2.4.1.1.10.4 of Maintenance Utility...
  • Page 187 6. MAINTENANCE MENUS Oki Data CONFIDENTIAL 6.6.2 Notes on SU board (MHE)/Scanner Unit replacement 1. Set the Scanner parameter when replacing the SU board (MHE)/Scanner Unit : Before replacing the SU board (MHE)/Scanner Unit, try to get the scanner setting parameters from the board by using tthe SU board (MHE)/Scanner Unit replacement function of Maintenance Utility, if it is still able to be accessed by Maintenance Utility.
  • Page 188 Oki Data CONFIDENTIAL REGULAR MAINTENANCE 7.1 Periodic Maintenance ..............7-2 7.2 Cleaning Rollers in the ADF ............7-4 7.3 Cleaning the Document Glass ............7-5...
  • Page 189 7. REGULAR MAINTENANCE Oki Data CONFIDENTIAL 7.1 Periodic Maintenance 7.1.1 Periodic Replacement Parts 7.1.3 Cleaning of LED lens array The following parts should be replaced at a specified cycle. If the vertical white lines, and white belt (white spot, pale printing) occur in printing as shown below, the LED lens array should be cleaned or the toner cartridge should be replaced.
  • Page 190 7. REGULAR MAINTENANCE Oki Data CONFIDENTIAL 7.1.4 Cleaning the Feed rollers and the Retard roller (1) Wipe the two feed rollers with a tightly wrung cloth soaked in water through the opening for installation of a paper cassette. Feed roller Note! Use water only.
  • Page 191 7. REGULAR MAINTENANCE Oki Data CONFIDENTIAL 7.2 Cleaning Rollers in the ADF If the document feeding rollers in the ADF are contaminated with ink, toner particles or paper dust, documents and outputs get dirty and a paper jam may occur. To prevent this, it is recommended to clean the rollers once a month.
  • Page 192 7. REGULAR MAINTENANCE Oki Data CONFIDENTIAL 7.3 Cleaning 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 193 Oki Data CONFIDENTIAL TROUBLESHOOTING PROCEDURES 8.1 Precautions prior to repair ............8-2 8.2 Items to be checked prior to taking action on abnormal images ..8-2 8.3 Precautions when taking action on abnormal images ....8-2 8.4 Preparations for troubleshooting ...........8-2 8.5 Troubleshooting method ...............8-3...

  • Page 194: Precautions Prior To Repair

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.1 Precautions prior to repair (1) Confirm the basic check items indicated in the User's Manual. (2) Through hearing from the user, obtain information, as far in detail as possible, on the situation concerning the fault.

  • Page 195: Troubleshooting Method

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5 Troubleshooting method 8.5.1 LCD messages list If a trouble occurs in the printer, search for it by the following procedure: Problem Initializing & Shutdown generated Category Status Error Warning Description Code Problem is displayed...
  • Page 196 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Initializing Checking File System Displays that SD Card file Initializing %STORAGE% Error: %ERRCODE% %ERRCODE% : 0 system is being checked. To %STORAGE%...
  • Page 197 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Normal Category Status Error Warning Description Code Category Status Error Warning Description Code Normal 40828 Please check data. Indicates that writing of Message Data Write Error message data to be uploaded Normal 40988 PU downloading ...
  • Page 198 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal 40967 Please check data. An error has happened Normal Please check data. Indicates that an error has while the printer is receive-...
  • Page 199 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal 40994 Memory Overflow Memory Overflow was Normal Access denied to PC. Indicates that PC rejects a occurred in the collate print.
  • Page 200 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal Cannot read the file. Notifies that processing has Normal 10993 File accessing ... The status showing FILE failed, for instance, because...
  • Page 201 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal 10015 Font List printing ... Printing Font Lists. Normal 10099 Print page %PAGES% No. of Collate printing. Indicates that printing sample "Print page"...
  • Page 202 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal 10897 Verifying data. Indicates that the integrity Normal 10898 File erasing ... Indicates that a secret file is of print data for encrypted being erased.
  • Page 203 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal 10863 <ScanToUSBMemory> %LOCATION_INFO%: Normal Scan Pages sss Indicates that it is copying. Location Information (Scan To Print Pages ppp sss: the number of current Scanning ...
  • Page 204 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal 10859 Data writing to USB Memory. Indicates that it is wrighting Normal Fax receiving ... Indicates that it is receiving fax the image file to USB memory data.
  • Page 205 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal Fax sending ... Indicates that it is sending fax Normal 10879 Connecting to server ... Indicates that connecting to data. mail server.
  • Page 206 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal 10800 Speed Dial List printing ... Indicates that printing of fax Normal 10811 Block Junk Fax List printing ... Indicates that printing of...
  • Page 207 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Category Status Error Warning Description Category Status Error Warning Description Code Code Normal Cancelling ... Indicates that cancellation of Normal 10001 Online Mode Shows Online status. PushScan (by panel operation) Ready to print. is accepted and being processed.
  • Page 208 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Warning PJL Status Category Error Warning Description Code PJL Status Category Error Warning Description Code Warning 10965 (K) %COLOR% Toner Empty Notifies the toner is empty. This is a warning Warning 10081 (K) %COLOR% Toner Low Toner amount is low.
  • Page 209 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Category Error Warning Description Category Error Warning Description Code Code Warning 1601x %TRAY% Empty %TRAY%: The tray Warning 10071(K) Please check %COLOR% Toner Something is wrong with x: Tray # is empty.
  • Page 210 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Category Error Warning Description Category Error Warning Description Code Code Warning 10750 Please change SD Memory Card. Indicates that machine Warning 10815 Accounting Log Writing Error The Job Accounting log...
  • Page 211 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Error (Enable to restore) PJL Status Error Warning Description Category Code PJL Status Error Warning Description Category Code Error 46012 Please close %TRAY%.: 430,440 Indicates that paper feed is unavailable in Error 10899 Erased Data Full...
  • Page 212 (Unauthorized but the group of signature third party). ID is proper (OKI regional As probable missing to Please see Help for details. mismatch). Please see Help for details. measure the amount of...
  • Page 213 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 40959 (K) Please check %COLOR% Toner Something is wrong with Error 40819 Paper Jam: 389 Jam has occurred in Cartridge.: %ERRCODE%...
  • Page 214 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 40021 Please check the %COVER%.: The cover is open. Error 40734 USB Memory Full Indicates that the file 40720...
  • Page 215 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error Communication Error Indicates that the fax Error 40762 SMTP Auth. Unsupported Indicates that receiving was failed. authentification is The details of the fax...
  • Page 216 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 40565 Document Jam At machine initial time Error 411yy Please install paper on MP Tray. Manual paper feed is...
  • Page 217 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 411yy Please install paper on Manual paper feed is Error 32000 Disk Use Failed %FS_ERR% A disk error is occurred, Manual Feeder.
  • Page 218 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 482yy Tray Media Mismatch: The media type in the tray Error 482yy Tray Media Mismatch: The size of paper or...
  • Page 219 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 40735 Memory Overflow Indicates that Memory Error 40592 Not authorized to write file. Indicates that failed to Overflow is occurred...
  • Page 220 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status Error Warning Description Category Code Error Wireless startup failed. Wireless startup failed. Restart the device.If the problem is not resolved, Check cableconnection between CU board and Please see Help for details. Wireless LAN board.
  • Page 221 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Error (Disable to restore) PJL Status Error Warning Description Category Code PJL Status Error Warning Description Category Code Error Inspection is required. It is shown that PU PU Flash Error firmware has booted in...
  • Page 222 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 40057 Power OFF/ON A fatal error occurred. Error 40057 Power OFF/ON A fatal error occurred. %ERRCODE%:Error For more information, see...
  • Page 223 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL PJL Status PJL Status Error Warning Description Error Warning Description Category Category Code Code Error 40057 Power OFF/ON A fatal error occurred. Error This wireless firmware version This wireless firmware %ERRCODE%:Error %CODE% For more information, see does not operate on this device.

  • Page 224: Service Call List

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.2 Service Call List Display Cause Error details Measure Power OFF/ON An error of An internal error was Record a value 058 : Error the scanner detected in the scanner displayed far right at...
  • Page 225 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Display Cause Error details Measure Display Cause Error details Measure Power OFF/ON Video error. Is the CU/PU installed Reinstall it properly. Inspection is Ambient Is the cable from the CU/PU Re-connect it properly. 075 : Error **...
  • Page 226 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Display Cause Error details Measure Display Cause Error details Measure Inspection is Toner sensor Is the toner cartridge Install the toner Power OFF/ON CU program Invalid processing was Replace the CU/PU required. detection installed? cartridge.
  • Page 227 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Display Cause Error details Measure PRESS POWER SU Com- Communication error Turn off and on the SW FOR 5SEC munication between the Controller and MFP. Error : 811 Error the Scanner Unit is detected.

  • Page 228: Fax Error List

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.3 Fax Error List Value Description (Hex) Termination Code List Phase-B Invalid Command/Response Rx (Received an invalid signal.) Value Description A machine on the other end was incapable of receiving. (Hex) T1 timeout after EOM (T1 timeout after EOM receiving)

  • Page 229: Email/Internet Fax/Fax Server Error List

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.4 Email/Internet FAX/FAX Server Error List ErrorCode Description Connection failed. Please check "SMTP Server" settings. Connection failed. Please check "SMTP Server Port" settings. Authentication failed. "SMTP Auth" Unsupported. Authentication failed. "SMTP Auth" Login failed. Be sure of the login name and password for the mail server.

  • Page 230: Preparing For Troubleshooting

    .............8-60 (1-1) LCD displays nothing ................8-39 (10-2) All fans of the printer do not rotate............8-60 (1-2) Display of OKI logo ................8-40 (11) Print speed is slow. (Performance is low.) ...........8-60 (1-3) Error message display .................8-40 (11-1) Print speed decreases.

  • Page 231: Lcd Display Trouble

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5.(1) LCD Display Trouble Check item Checking Action in case of fail (1-1) LCD displays nothing (1-1-2) Checking connections Connection between SU Make sure the 10-pin FFC Connect the cable Check item Checking Action in case of fail...

  • Page 232: Display Of Oki Logo

    7, 8, 9pin: 24V under normal conditions. 1, 2, 3pin: 5V 4, 5, 6pin: 0VL 10, 11, 12pin: 0VP (1-2) Display of OKI logo 5V, and 24V power supplied Check the power supply using Replace the low-voltage Check item Checking...
  • Page 233 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Check item Checking Action in case of fail Check item Checking Action in case of fail (2-1-2) Confirmation of the power switch LED (2-1-3) Checking connections Power Switch LED Confirm whether the LED is off.

  • Page 234: Abnormal Sound

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL (2-2) Abnormal sound Check item Checking Action in case of fail Check item Checking Action in case of fail (2-2-4) Checking cable wiring Cable wiring around cooling Check whether a cable touches Lay the cable properly.

  • Page 235: Abnormal Odor

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL (2-3) Abnormal odor Confirmation Items Confirmation Tasks Action at NG (2-3-1) Locate the position with abnormal odor occurred. Fuser unit Take out the fuser and confirm Perform (2-3-2). the odor. Low-voltage power supply Take out the low-voltage power...

  • Page 236: Paper Jams

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Paper Jams Clearing Paper Jams This section explains how to clear paper jams. Caution Possible to get burned. Reference! • For details on the location of each component of the machine, refer to "Swich scan test" on P . 6-17 and "Motor clutch test" on P .6-19..
  • Page 237 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Error Code 370, 371, 372 (Duplex paper jam) (5) Remove the Image Drum as described in step 3, then, remove the Duplex unit (1) by raising the coloured handles (2) on each side, and then by holding the handles (1) Remove any documents from the document tray if any.
  • Page 238 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL (7) When you return the transcription unit into the printer, insert both projections (A) of (9) Secure the transcription unit to the printer by rotating both handles of the the front end of transcription unit into holders of the printer.
  • Page 239 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Error Code 380, 381, 382, 389 (Paper feed jam) (5) If the top end of paper is visible at the rear side of transparent resist guide, rotate the resist guide toward the fuser unit and hold the paper top end and carefully pull (1) Remove any documents from the document tray if any.
  • Page 240 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL If the bottom end of paper is visible, hold the paper by your hands and carefully pull • If the bottom end of paper is not visible but its top end is visible at the paper out the paper.
  • Page 241 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL • If you have failed to remove jammed paper, do not force to pull out the paper Error Code 390 (Paper feed jam (Multipurpose tray)) but follow the steps below. (1) Remove any documents from the document tray if any.
  • Page 242 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL If neither the top or bottom end of paper is visible, move the jammed paper in the (6) Re-install the image drum complete with toner cartridge, ensuring that the pegs arrow direction as shown. Hold the top end of paper by your hands and carefully (1 &...
  • Page 243 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Error Code 391, 392 (Paper feed jam) (3) Return the tray into the machine. (4) Open the scanner unit. Error Code 391 indicates an error in Tray1 and Error Code 392 indicates a paper jam in (5) Press the top cover open button ①...
  • Page 244 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Document Jam Occurred (3) Hold jammed document by the top edge, and gently pull it out. When you can see the document In the Duplex Paper Path (1) Open the ADF cover, and pull out the document upward.
  • Page 245 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL If the edge of the document cannot be seen in the ADF, lift the document tray ② and then pull out the document. Pull down the document tray. (4) Close the ADF cover. 8-53...

  • Page 246: Paper Feed Jam (Error Code 391: 1St Tray)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (3) Paper feed jam (Error code 391: 1st tray) Check item Check operation Actions for NG (3-1) Does a jam error occur when turning on the power? results (3-2-3) Check the paper feed roller rotate.

  • Page 247: Feed Jam (Error Code 380, 381)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (4) Feed jam (Error code 380, 381) (4-2) Jam occurs immediately after the paper feed is started. (4-1) Jam occurs immediately after the power is turned on. Check item Check operation Actions for NG...

  • Page 248: Paper Feed Jam (Error Code 390: Multipurpose Tray)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (5) Paper feed jam (Error code 390: Multipurpose tray) Check item Check operation Actions for NG (5-1) Does a jam error occur when turning on the power? results (4-2-2) Check condition of the mechanical parts...

  • Page 249: Jam Occurs Immediately After Paper Feed Is Started

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL (5-2) Jam occurs immediately after paper feed is started. (Multipurpose tray) Check item Check operation Actions for NG results Check item Check operation Actions for NG (5-2-3) Check the paper feed roller rotate. results...

  • Page 250: Paper Running Jam (Error Code 381:)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (6) Paper running jam (Error code 381:) 8.5.5. (7) Two-sided printing jam (Error code: 370, 371, 372, 373, 383) (7-1) Two-sided printing jam. (6-1) Jam occurs immediately after the power is turned on.

  • Page 251: Paper Size Error (Error Code 400)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (8) Paper size error (Error code 400) 8.5.5. (9) Fuser unit error (Error 170 to 177) (9-1) Error occurs immediately after the power is turned on. (8-1) Jam occurs when paper end is located near the entrance sensor.

  • Page 252: Motor Fan Error (Error Code 120, 127, 128)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (10) Motor fan error (Error code 120, 127, 128) 8.5.5. (11) Print speed is slow. (Performance is low.) (10-1) The low voltage power supply fan does not rotate immediately after the power is (11-1) Print speed decreases.

  • Page 253: Option Unit Cannot Be Recognized

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (12) Option unit cannot be recognized. 8.5.5. (13) LED head cannot be recognized. (Error code 131, 132, 133, 134) (12-1) Option try unit cannot be recognized. (13-1) Service call 131 to 134 (LED HEAD Missing)

  • Page 254: Toner Cartridge Cannot Be Recognized. (Error Code 540, 541, 542, 543)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (14) Toner cartridge cannot be recognized. (Error code 540, 541, 542, 543) (1) How to check operation of the toner sensor at the printer side. Status change of the toner sensor can be checked from the Operator Panel (14-1) Error caused by the consumable items.

  • Page 255: Error Caused By The Defective Mechanism

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL (14-3) Error caused by the defective mechanism 8.5.5. (15) Fuse cut error (Error codes 153 to 155) (15-1) Fuse cut error Check item Check operation Actions for NG results Check item Check operation Actions for NG...

  • Page 256: Humidity Sensor Error (Error Code 123)

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.5. (16) Humidity sensor error (Error code 123) (16-1) Humidity sensor error Check item Check operation Actions for NG results (16-1-1) Check the system connection Connection to the Check if the 28-conductor FFC is connected to...

  • Page 257: Print Troubleshooting

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.6 Print Troubleshooting Pale printing or the whole printing is faded. • Does the printer lack toner? (Is the message of Toner Low displayed?) The troubleshooting procedure of abnormal printing is described as follows. The typical •...
  • Page 258 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL The white section is dirty Vertical black belt/ Black line • Is the image drum exposed by the external light? • Clean the LED lens array of the LED head. • Yes Install the image drum in the printer and wait 30 minutes.
  • Page 259 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL In case of error printing Vertical white belt/ White line • Is the LED lens dirty? • Does the contact plate of the transfer roller contact the TR terminal of the high- • Yes Clean the LED lens.
  • Page 260 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Transfer roller Frame-Assy-TR Fuse Contact plate for transfer High voltage power supply board TR terminal Fuse Contact plate for transfer Figure 7-2 Figure 7-3 8-68 44871001TH Rev.6...
  • Page 261 8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL Fuser Assy Contact plate Figure 7-4 8-69 44871001TH Rev.6...

  • Page 262: Response After Flash Compulsive Initialization

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.7 Response after Flash compulsive initialization 8.5.8 Copy Image Abnormality Error Troubleshooting • When the following symptom occurs in the copy image, implement the inspection and Explain the response after compulsive initialization is performed with trouble occurred in adjustment of the copy image.

  • Page 263: Network Troubleshooting

    Subnet mask, Gateway response is correct. address correctly. (4) Check the utility Check the settings of OKI Check the setting items of OKI Set the setting items of LPR utility. LPR utility. OKI LPR utility correctly. (5) Check the OS standard port.

  • Page 264: Wireless Troubleshooting

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.5.10 Wireless Troubleshooting *1 : Check once again whether the SSID, security setting, and an encrypting key of the wireless LAN access point are same as the settings of this device. When any one of settings is different, the device cannot be connected to the wireless LAN access point.

  • Page 265: Fuse Checking

    8. TROUBLESHOOTING PROCEDURES Oki Data CONFIDENTIAL 8.6 Fuse Checking Table 7-6 MB441/MB451/MB451w/MB461/MB461+LP/MB471/MB471w/MB491/MB491+/ MB491+LP/ES4161 MFP/ES4191 MFP/MPS4200mb/MPS4700mb Fuse Errors Fuse Name Error Description Insert Point Resistance CU/PU board Service Call 122 Fuser fan, power fan, ID unit, 1Ω or less (98M) 2nd tray...
  • Page 266 Oki Data CONFIDENTIAL CONNECTION DIAGRAMS 9.1 Check of resistance values ............9-2 9.2 Layout of parts ................9-4 9.3 Firmware Information ..............9-13...

  • Page 267: Check Of Resistance Values

    9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 9.1 Check of resistance values Unit Circuit Diagram Part Diagram Resistance Value Both ends of IP2 and IP3: 1 or less DC Motor Between Pin1 and Pin2 : 240 Cable Clutch (Hopping) Cable (Regist)
  • Page 268 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Circuit Diagram Part Diagram Resistance Value +24 V FANALM-N FAN Motor (Fuser FAN, (80×25) ) Black +5 V FANALM-N FAN Motor ( Duct FAN, (40×15) ) Black +24 V FANALM-N FAN Motor ( Power FAN, (60×25) ) Black 44871001TH Rev.6...

  • Page 269: Layout Of Parts

    9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 9.2 Layout of parts (1) CU/PU board (98M) Component side EXITM SCPW C123 C122 HEAD0 C125 C116 CP12 C115 C126 R220 R221 C114 R201 C113 R223 MFPIF ZA36 ZA35 R202 ZA32 C128 ZA37 ZA34...
  • Page 270 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Soldering side R726 BF508 IC505 R720 BF507 C647 IC504 R712 R711 D512 R705 C643 R706 F502 C642 C645 C666 R709 R701 R693 R692 IC503 R703 R691 R702 C639 R700 C638 R684 ZA510 R682 R679...
  • Page 271 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (2) High-Voltage Power/Sensor Board TR terminal Component side T1 - 7pin Soldering side Checking contact between the transfer roller shaft and the TR terminal Contact is normal if the resistance value measured between the transfer roller shaft and Pin 7 of T1 is 130 MΩ.
  • Page 272 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (3) Low-Voltage Power • Low-Voltage Power unit Pin Allocation Item/ Number Pin No Signal Name Connector Name Description Display of page AC Input NEUTRAL BP-VH-BK Black Top View (J.S.T. Mfg. Co., Ltd.) LINE Heater...
  • Page 273 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (4) SU board (MHE) Second revision board Component side R269 ADFS R270 R185 R168 C23 C24 R157 OSC2 R140 R130 Board-MHE TEST5 R47 R48 R114 R271 R272 C217 C218 C219 TEST8 C220 RM4 RM5...
  • Page 274 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL SU board (MHE) Second revision board Soldering side BF502 BF501 27 30 38 42 43 49 C507 C506 R507 C505 C510 C509 C512 C511 C508 R503 C514 R528 R530 R508 C517 C516 C515 IC501...
  • Page 275 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL SU board (MHE) Third revision board Componet side R269 ADFS R270 R185 R168 C23 C24 R157 OSC2 R140 R130 Board-MHE TEST5 R47 R48 R114 R271 R272 C217 C218 C219 TEST8 C220 RM4 RM5 IC10...
  • Page 276 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL SU board (MHE) Third revision board Soldering side BF502 BF501 27 30 38 42 43 49 C507 C506 R507 C505 C510 C509 C512 C511 C508 R503 R528 C514 R530 R508 C517 C516 C515 IC502...
  • Page 277 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (5) Operation Panel (OPM) (6) ADF board (MHD) SNSIE MOTIF SNS4 SNS3 SNS1 SNS2 9-12 44871001TH Rev.6...

  • Page 278: Firmware Information

    9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 9.3 Firmware Information 9.3.1 ROM control numbers 9.3.2 Instruction of FW update (1) Firmware suite (1) FirmSuite includes all FWs listed below, This MFP can upgrade of a program using Firmware suite. Firmware suite is the file CU FW, NIC FW, PU FW, SU FW, Starting Logo.

  • Page 279: Checking And Indication Of The Revision Number

    9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 9.3.3 Checking and indication of the revision number 9.3.4 Stamp of maintenance board indication (1) Print out MenuMap and check to make sure that the firmware revision number has A designated article number is stamped in the area for maintenance board indication on the been updated.
  • Page 280 9. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 9.3.5 FW Update flow in case of Error 049 (for MB451, MB451w) Step1 Connect the MFP and PC which is installed the Maintenance Utility (hereinafter referred to as MU) via USB cable. Step2 Push the power switch on the MFP , pressing simultaneously the "1" and "right(→)"...

  • Page 281: Appendix

    Oki Data CONFIDENTIAL APPENDIX 10.1 List of Initialized range ..............10-2 10.2 Maintenance Manual for Second Tray unit ........10-9...

  • Page 282: List Of Initialized Range

    10. APPENDIX Oki Data CONFIDENTIAL 10.1 List of Initialized range Firmware Administrator Setup Service Technician Setup Remarks Update Setup Parameters E-mail address registration data Access control information registration data Speed dial registration data F-code bulletin board document Profile list Networkconnected PCs list...
  • Page 283 10. APPENDIX Oki Data CONFIDENTIAL Firmware Administrator Setup Service Technician Setup Remarks Update Setup Parameters Administrator password Paper/Sorting setup Menu under "Admin Copy function setup Setup" - "Copy Setup" Menu under "Admin Fax function setup Setup" - "Fax Setup" F-code box Menu under "Admin...
  • Page 284 10. APPENDIX Oki Data CONFIDENTIAL Firmware Administrator Setup Service Technician Setup Remarks Update Setup Parameters Menu under "Admin Setup" - "Network Secure print server setup Menu" - "Secure Protocol Server Setting" Menu under "Admin Management setup Setup" - "Management" Value set through "Admin Setup"...
  • Page 285 10. APPENDIX Oki Data CONFIDENTIAL Firmware Administrator Setup Service Technician Setup Remarks Update Setup Parameters Obsolete. Fax maintenance Unsupported in FN296/7 Printer maintenance JA setting information Fax Tx data (pending) Fax Rx data (Print wait, Include Secure Receive image) Fax Rx data (confidential box)
  • Page 286 10. APPENDIX Oki Data CONFIDENTIAL Firmware Administrator Setup Service Technician Setup Remarks Update Setup Parameters Email/Internet fax communication log Obsolete. Error log be stored on Error log (SD card) FLASH, even if SD card is installed. Error log (FLASH) Stored in RAM. Erased when poweroff.
  • Page 287 10. APPENDIX Oki Data CONFIDENTIAL Firmware Administrator Setup Service Technician Setup Remarks Update Setup Parameters Scanner unit F/W (FAX included ) NIC-F/W (web page included) IC Card Authentication Program Factory adjustment (gamma correction data) 10-7 44871001TH Rev.6...
  • Page 288 10. APPENDIX Oki Data CONFIDENTIAL *1 : Network factory defaults: "Admin Setup" - "Network Menu" - "Network Setup" - "Factory *14 : Reset Admin Password: "Service Maintenance" - "System Maintenance" - "Reset Admin Defaults" Password" : It is executed to reset only network settings to the factory defaults make settings again : This menu is used to initialize only the administrator password by support when users due to unsuccessful network access.

  • Page 289: Maintenance Manual For Second Tray Unit

    10. APPENDIX Oki Data CONFIDENTIAL 10.2 Maintenance Manual for Second Tray unit 10.2.1 Overview 10.2.1.2 Exterior and Parts Name 10.2.1.1 Function Cover-Blind-L The extended paper feed unit is installed under the printer. the device performs the auto Cover-Blind-R Plate-Top paper feed by the operation of the pulse motor (hopping) to control a signal from the printer.

  • Page 290: Description For Operation Of Second Tray Unit

    10. APPENDIX Oki Data CONFIDENTIAL 10.2.2 Description for Operation of Second Tray unit Second Tray unit receives a signal from the printer main body and feeds paper to the printer main body. Paper Feed from the Second Tray unit (Tray2)

  • Page 291: Part Replacement

    10. APPENDIX Oki Data CONFIDENTIAL 10.2.3 Part Replacement [Maintenance Tool] The following table shows the tools for the print board/ Assy/ Unit replacement in This section describes how to disassemble/ assemble/ install in the field. This section the field. describes how to disassemble, however, as for the assembly, take the opposite sequence to the disassembling procedure.

  • Page 292: Arrangement Of Parts

    10. APPENDIX Oki Data CONFIDENTIAL 10.2.3.2 Arrangement of Parts The arrangement of main parts is as shown in the following figure. 10-12 44871001TH Rev.6...

  • Page 293: How To Replace Parts

    10. APPENDIX Oki Data CONFIDENTIAL 10.2.3.3 How to Replace Parts 10.2.3.3.1 Roller-Pick-Up, Roller-Feed-Now This section describes how to replace parts shown in the following disassembling (1) Remove Cassette-Assy. procedure. (2) Push the tab in the direction of the arrow to remove Roller-Pick-Up...
  • Page 294 10. APPENDIX Oki Data CONFIDENTIAL 10.2.3.3.2 Guard-Connector, Connector (9715S-08Z02-G4C) (1) Remove the two screws . Remove the two nuts (2) Disconnect the cable, and remove Guard-Connector and Connector (9715S-08Z02-G4C) (3) Installing is performed by the inverse procedure with removing. (Note on removing / installing) 1.
  • Page 295 10. APPENDIX Oki Data CONFIDENTIAL 10.2.3.3.3 Board-GOG . Remove the Cover-Rear . (1) Remove the two screws (Black) . Remove the Cover-Blind-R . (2) Remove the two screws (silver) . Remove the Cover-Blind-L . (3) Remove the two screws (silver) .
  • Page 296 10. APPENDIX Oki Data CONFIDENTIAL 10.2.3.3.4 CONN Cord-AMP8P-AMP8P 10.2.3.3.5 Gear-Assy-Clatch (Hop, Regist), Motor-Pulse (1) Remove the Guard-Connector . (Refer to 3.3.2) (1) Remove the Cover-Rear, Cover-Blind-R/L, Plate-Top. (Refer to 3.3.3) (2) Remove the Cover-Rear, Cover-Blind-R/L, Plate-Top. (Refer to 3.3.3) (2) Remove the two screws (Black)
  • Page 297 10. APPENDIX Oki Data CONFIDENTIAL (3) Remove the four screws (Black) . Remove the two screws (Silver) (5) Remove the E-ring , Gear-Assy-Clutch (Hop) and Gear-Assy-Clutch (Regist) (4) Disconnect the five connectors from Board-GOG, and remove Frame-Assy-Hop (6) Remove the two screws (Silver) .
  • Page 298 10. APPENDIX Oki Data CONFIDENTIAL 10.2.3.3.6 Frame-Assy-Retard, Spring-Retard (1) Detach Cassette-Assy. (2) Push two tabs in the direction of the arrow to remove Retard-Cover. (3) Push Frame-Assy Retard in the direction of the arrow. (Spring-Retard is also removed together.) (4) Installing is performed by the inverse procedure with removing.

  • Page 299: Cleaning Of Paper Feed Roller And Separation Roller

    10. APPENDIX Oki Data CONFIDENTIAL 10.2.4 Cleaning of Paper Feed Roller and Separation Roller (3) Open Retard-Cover of the paper cassette and wipe the retard roller with a tightly wrung cloth soaked in water. (Refer to 3.3.6 for how to open Retard-Cover.) Clean the rollers when [392: Paper Jam] often occurs.

  • Page 300: Procedure For Troubleshooting

    10. APPENDIX Oki Data CONFIDENTIAL 10.2.5 Procedure for Troubleshooting 10.2.5.1 Precautions for Troubleshooting (1) Check the basic items to be checked in the user’s manual. (2) Obtain detail information at the failure from customers as much as possible. (3) Inspect the status which is close to the status at the failure.

  • Page 301: Connection Diagram

    10. APPENDIX Oki Data CONFIDENTIAL • (Jam Error) 10.2.6 Connection Diagram Paper Feed Jam 10.2.6.1 Connection diagram • Does a jam occur around the entrance when turning on the power? Connection to the printer • Yes Is the paper on the entrance sensor lever? •...
  • Page 302 10. APPENDIX Oki Data CONFIDENTIAL • MAIN1 Connector Pin Allocation • CL2 Connector Pin Allocation (Connection to the Main control board) (Connection to the Feed clutch) PIN No. I/O Signal Function PIN No. I/O Signal Function Analog Ground Motor/ Clutch Drive Power...

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