Oki B410 Oki B420 Oki B430 Oki MPS420B Service Manual and Parts List Manual for B410 Series


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual Oki B410 Oki B420 Oki B430 Oki MPS420B and parts list manual for B410 Series contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

Contents for MAINTENANCE MANUAL:
1. CONFIGURATION
1.1 System Configuration
1.2 Printer Configuration
1.3 Optional Configuration
1.4 Specification
1.5 Printing display
1.5.1 VCCI label, Serial No. label
1.5.2 Warning label
1.5.3 Warning / Caution display

2. OPERATIONAL EXPLANATION
2.1 Electrophotographic process mechanism
2.2 Printing process
2.3 Toner entrance detection

3. PARTS REPLACEMENT
3.1 Preparation for parts replacement
3.2 Parts layout
3.3 Parts replacement method
3.3.1 LED Head
3.3.2 Roller-Transfer
3.3.3 Cover-Side-R
3.3.4 Cover-Side-L
3.3.5 CU Board
3.3.6 Motor-DC-Main
3.3.7 OPE Cover-Assy
3.3.8 Ope-Board
3.3.9 MPT-Assy (In case of B410dn, it is Manual-Assy)
3.3.10 Front-Guide-Assy
3.3.11 Roller-Assy-Feed
3.3.12 Guide-Paper-Duplex
3.3.13 Stacker-Cover-Assy
3.3.14 Fuser-Assy
3.3.15 Rear-Cover-Assy
3.3.16 Frame-Assy-Lower
3.3.17 High voltage / Low voltage power board
3.3.18 Plate-Bracket-Motor
3.3.19 Roller-Back up
3.3.20 Roller-Resist
3.3.21 Lever-In-Sensor
3.2.22 Lever-Eject-Sensor/Photo-Interrupter
3.3.23 Lever-End/Lever-Duplex/Lever-Cassette/Gear-Assy-Clatch
3.3.24 Paper feeding roller (Roller-Pick-Up,Roller-Feed-NOW,Roller-Assy-MPT)

4. ADJUSTMENT
4.1 Category and function of maintenance mode
4.4.1 User maintenance mode (Administrator Menu)
4.1.2 System maintenance mode (System maintenance menu)
4.1.3 Engine maintenance mode
4.1.4 Environment mode setting
4.1.5 EEPROM Initialization
4.2 Adjustment at part replacement
4.2.1 EEPROM data upload / download method

5. PERIODIC MAINTENANCE
5.1 Periodic Replacement Parts
5.2 Cleaning
5.2.1 Cleaning of LED lens array
5.2.2 Cleaning Page Function

6. PROCEDURES FOR REPAIRING
6.1 Troubleshooting
6.2 Points to be checked before modifying printing problems
6.3 Points to be checked when the printing problems are modified
6.4 Preparation for Troubleshooting
6.5 Troubleshooting Flow
6.5.1 LCD Status Message/ Trouble Table
6.5.2 LCD Message Troubleshooting
6.5.3 Print Troubleshooting

7. CONNECTION DIAGRAM
7.1 Connection diagram
7.2 Board Layout
7.3 Resistance value

Appendix A Centronics Parallel Interface
Appendix B USB Interface
Appendix C Maintenance Manual for Second Tray unit
1 Overview
1.1 Function
1.2 Exterior and Parts Name
2. Description for Operation of Second Tray unit
3. Part Replacement
3.1 Precautions on replacing parts
3.2 Arrangement of Parts
3.3 How to Replace Parts
3.3.1 Roller-Pick-Up, Roller-Feed-Now
3.3.2 Guard-Connector. Connector (9715S-08Z02-G4C)
3.3.3 Roller-Feed
3.3.4 Board-OT7
3.3.5 CONN Cord-AMP8P-AMP8P
3.3.6 Gear-Assy-Clatch
3.3.7 Frame-Assy-Retard, Spring-Retard
4. Cleaning of Paper Feed Roller and Separation Roller
5. Procedure for Troubleshooting
5.1 Precautions for Troubleshooting
5.2 Preparation before Troubleshooting
5.3 Troubleshooting Method
5.3.1 LCD Status Message List
6. Connection Diagram
6.1 Connection diagram
6.2 Board Arrangement
Appendix D Network Interface

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Content for B410 Series, PARTS LIST:
Main Unit
Base Assy
Lower Frame Assy
PCB Assy
Front Guide Assy
Manual Feed Assy
OP Cover Assy
Rear Cover Assy
Stacker Cover Assy

Number of pages: 195.