Oki MB461 MB471 MB491+ MB491 MPS4200MB MPS4700MB Service Manual and Parts List Manual

Service Manual and Parts List Manual Oki MB461 MB471 MB491+ MB491 MPS4200MB MPS4700MB;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Oki.
You can print, zoom or read any diagram, picture or page from this Service Manual and Parts List Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Oki MB461 MB471 MB491+ MB491 MPS4200MB MPS4700MB. You can find easily everything what do you need.
To see what contain, please read table of contents:

1. CONFIGURATION
1.1 System configuration
1.2 Structure of MFP
1.3 Offer of Options
1.4 Specifications
1.5 Interface specifications
1.5.1 USB Interface Specification
1.5.1.1 Outline of USB Interface
1.5.1.2 USB Interface Connector and Cable
1.5.1.3 USB Interface Signal
1.5.2 Network Interface Specification
1.5.2.1 Outline of Network Interface
1.5.2.2 Network Interface Connector and Cable
1.5.2.3 Network Interface Signal
1.5.3 Telephone Line Interface Specification (MB471/MB471w/MB491)
1.5.3.1 Outline of telephone Line Interface
1.5.3.2 Telephone Line Interface Connector and Cable
1.5.3.3 Telephone Line Interface signal
1.5.4 USB Host Interface
1.5.4.1 Outline of USB Host Interface
1.5.4.2 USB Host Interface Connector
1.5.4.3 USB Host Interface Signal
1.5.5 Wireless LAN Interface(MB451w/MB471w)
1.5.5.1 Outline of Wireless LAN

2. OPERATIONAL EXPLANATION
2.1 Electrophotographic process mechanism
2.2 Printing process
2.3 Toner entrance detection
2.3.1 Toner sensor detection principle
2.3.2 Toner count principle
2.4 Image Scanning process
2.4.1 Structure and process of RADF
2.4.1.1 Cross-section view
2.4.1.2 Electrical configuration
2.4.1.3 Fundamental operations
2.4.1.4 Document detection
2.4.1.5 Jam detection
2.4.2 Document table structure
2.4.2.1 Overview
2.4.2.2 Exposure block
2.4.2.3 Carraige-Assy drive mechanism

3. MFP INSTALLATION
3.1 Precautions and Prohibition
3.2 MFP Unpacking Procedure
3.3 MFP Installation Instructions
3.4 Packed Units and Attachments
3.5 Assembly Procedure
3.5.1 MFP Main Body
3.5.2 Power Cable Connection
3.5.3 Installation of Optional Components
3.5.3.1 Second Tray Unit
3.5.3.2 FDI Interface Kit (for MB491 only)
3.6 Configuration Page Print
3.7 Network Information Print
3.8 Connection Procedures
3.9 Checking of User Paper

4. REPLACEMENT OF PARTS
4.1 Notes on replacement of parts
4.2 Part replacement procedure
4.2.1 Cover Side (L)
4.2.2 Cover Side(R) / SD Card
4.2.3 Board 98M
4.2.4 PWR unit
4.2.5 Cover Stay(R) / Cover Stay(L)
4.2.6 Cover Front (Top)
4.2.7 SW Assy
4.2.8 Scanner unit
4.2.8.1 Tray-assy-document / Cover-ADF-R-assy
4.2.8.2 ADF-unit
4.2.8.3 Sheet-document / Paper-weight-assy / Spring-PW-ADF
4.2.8.4 Hinge-assy-L / Hinge-assy-R
4.2.8.5 Cover-ADF-F / Guide-assy-exit-sub / ADF-assy / ADF board (MHD)
4.2.8.6 Cover-assy-top-ADF / Guide-assy / Roller / Motor / Clutch / Solenoid
4.2.8.7 Guide-A-sub / Frame-assy-separator / Spring-separator / Rubber-friction
4.2.8.8 Cable (ADF-Rev SNS)
4.2.8.9 Cable (ADF-Reg SNS)
4.2.8.10 Frame-assy-OP
4.2.8.11 Frame-OP-panel / OPE board (Except MB461/ES4161)
4.2.8.12 Frame-OP-panel / OPE board (MB461/ES4161)
4.2.8.13 LCD-assy
4.2.8.14 Frame-assy-FB
4.2.8.15 How to remove Battery (SU Board MHE)
4.2.8.16 Frame-assy-hopping-ADF
4.2.9 Plate Stay L / Plate Assy Stay R
4.2.10 LED Head
4.2.11 Frame-Assy-TR
4.2.12 Duplex Belt Assy
4.2.13 DC Motor
4.2.14 Hopping Clutch / MPT Clutch / Regist Clutch
4.2.15 HV-Board / Motor-FAN
4.2.16 Cover Assy Stacker
4.2.17 Stacker Cover
4.2.18 Fuser Assy
4.2.19 MPT Assy, Manual Assy
4.2.20 Cover Assy Rear
4.2.21 Guide Eject Lower Assy
4.2.22 Eject Motor
4.2.23 Plate Side R Assy / Plate Side L Assy / Front Assy
4.2.24 Plate Side L Assy
4.2.25 Plate Side R Assy
4.2.26 Front Assy
4.2.27 Roller Feed Assy
4.2.28 Lever In Sensor / Lever WR Sensor / Photo Interrupter
4.2.29 Paper feeding roller (Roller-Pick-Up, Roller-Feed-NOW, Roller-Assy-MPT)
4.2.30 Frame-Assy-Retard, Spring-Retard
4.2.31 W-LAN Board ( for MB471w only)

5. LUBRICATION POINT
5.1 Lubrication point
5.1.1 Printer
5.1.2 Scanner

6. MAINTENANCE MENUS
6.1 Maintenance Menu
6.2 Service Bit Menu
6.3 Maintenance Utility
6.3.1 Maintenance Utility
6.4 Self-diagnostic mode
6.4.1 Operator Panel
6.4.2 Ordinary self-diagnostic mode (level 1)
6.4.2.1 Entering self-diagnostic mode (level 1)
6.4.2.2 Exiting self-diagnostic mode
6.4.2.3 Switch scan test
6.4.2.4 Motor clutch test
6.4.2.5 Test print
6.4.2.6 Consumable item counter display
6.4.2.7 Number of print copies counter display
6.4.2.8 Switching between the Factory mode and the Shipping mode
6.4.2.9 Self-diagnostic function setting
6.4.2.10 LED head serial number display
6.4.2.11 NVRAM parameter setting
6.4.3 Adjustment at part replacement
6.4.3.1 EEPROM data upload / download method
6.5 Switch pressing function when power supply is turned on
6.6 Settings after Parts Replacement
6.6.1 Notes on CU/PU board (98M) replacement
6.6.2 Notes on SU board (MHE)/Scanner Unit replacement

7. REGULAR MAINTENANCE
7.1 Periodic Maintenance
7.1.1 Periodic Replacement Parts
7.1.2 Cleaning
7.1.3 Cleaning of LED lens array
7.1.4 Cleaning the Feed rollers and the Retard roller
7.2 Cleaning Rollers in the ADF
7.3 Cleaning the Document Glass

8. TROUBLESHOOTING PROCEDURES
8.1 Precautions prior to repair
8.2 Items to be checked prior to taking action on abnormal images
8.3 Precautions when taking action on abnormal images
8.4 Preparations for troubleshooting
8.5 Troubleshooting method
8.5.1 LCD messages list
8.5.2 Service Call List
8.5.3 Fax Error List
8.5.4 Email/Internet FAX/FAX Server Error List
8.5.5 Preparing for troubleshooting
8.5.6 Print Troubleshooting
8.5.7 Response after Flash compulsive initialization
8.5.8 Copy Image Abnormality Error Troubleshooting
8.5.9 Network Troubleshooting
8.5.10 Wireless Troubleshooting
8.6 Fuse Checking

9. CONNECTION DIAGRAMS
9.1 Check of resistance values
9.2 Layout of parts
9.3 Firmware Information
9.3.1 ROM control numbers
9.3.2 Instruction of FW update
9.3.3 Checking and indication of the revision number
9.3.4 Stamp of maintenance board indication

10. APPENDIX
10.1 List of Initialized range
10.2 Maintenance Manual for Second Tray unit
10.2.1 Overview
10.2.1.1 Function
10.2.1.2 Exterior and Parts Name
10.2.2 Description for Operation of Second Tray unit
10.2.3 Part Replacement
10.2.3.1 Precautions on replacing parts
10.2.3.2 Arrangement of Parts
10.2.3.3 How to Replace Parts
10.2.4 Cleaning of Paper Feed Roller and Separation Roller
10.2.5 Procedure for Troubleshooting
10.2.5.1 Precautions for Troubleshooting
10.2.5.2 Preparation before Troubleshooting
10.2.6 Connection Diagram
10.2.6.1 Connection diagram
10.2.6.2 Board Arrangement

——-

Contents for PARTS LIST:
MFP-Unit (1/2)
MFP-Unit (2/2) (for MB451w/MB471w)
Cassete-Assy (250sht)
Plate-Assy-Side-L
Plate-Assy-Side-R
Duplex-Assy
Duplex-Assy
Front-Assy 2
Frame-Assy-TR
Guide-Eject-Lower-Assy
Frame-Assy-Rear
Manual-Assy
MPT-Assy
Cover-Assy-Stacker FN296
Cover-Assy-Stacker FN297
Scanner-Unit
ADF-Unit
ADF – Assy
Cover-Assy-Top-ADF
Guide-Assy-A
Guide-Assy-C
Guide-Assy-D
Tray-Assy-Document
Flatbed-Unit
Frame-Assy-FB
Frame-Assy-OP-FN297
Frame-Assy-OP-FN296
LCD-Assy

Number of pages: 354.