Oki C824/C834/C844/ES8434 Service Manual and Parts List Manual

Service Manual and Parts List Manual Oki C824/C834/C844/ES8434.
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Oki. English language.
Table of contents:

1. CONFIGURATION
1.1 System configuration
1.2 Apparatus configuration
1.3 Composition of optional items
1.4 Specifications
1.5 Paper handling
1.6 Interface specifications
1.6.1 USB interface specifications
1.6.1.1 USB interface overview
1.6.1.2 USB interface connectors and cables
1.6.1.3 USB interface signals
1.6.2 Network interface specifications
1.6.2.1 Outline of Network Interface
1.6.2.2 Network Interface Connector and Cable
1.6.2.3 Network Interface Signal
1.6.3 Wireless LAN Interface (except C844dnl)
1.6.3.1 Outline of Wireless LAN

2. TROUBLESHOOTING PROCEDURE
2.1 Important notes to start the repair work
2.2 Confirmation items before taking corrective action against abnormalities
2.3 Precautions when taking corrective actions against abnormalities
2.4 Preparation for troubleshooting
2.5 Troubleshooting methods
2.5.1 Preparation for troubleshooting
2.5.1.(1) Abnormal motion
2.5.1.(2) Related Jam
2.5.1.(3) Related Error
2.5.1.(4) cannot recognize
2.5.1.(5) Print speed is slow. (Performance is low.)
2.5.1.(6) Wiring diagram
2.6 Fuse check
2.7 Paper cassette switches and paper size correlation table

3. REPLACEMENT OF PARTS
3.1 Notes on replacement of parts
3.2 Part replacement procedure
3.2.1 Belt unit
3.2.2 Fuser unit
3.2.3 Cover side-L
3.2.4 Cover side-R / Cover-WLAN
3.2.5 Rear cover Assy
3.2.6 LED Assy
3.2.7 CU/PU board Assy. (board Assy-ME2) / W-LAN Cable
3.2.8 Top cover Assy
3.2.9 Cable-Assy-Head / Stackfull-Sensor / Fuser blasting FAN
3.2.10 Operator panel Assy
3.2.11 Front cove Assy
3.2.12 Guide Assy.-eject
3.2.13 Sensor Assy.-registration / Relay board (MER) / Contact Assy. / Fuser sensor Assy
3.2.14 High-voltage power supply board
3.2.15 Frame Assy.-Front
3.2.16 Roller Assy.-registration
3.2.17 Roller-feed / Roller-pickup / Frame Assy.-pickup / Holder sensor Assy
3.2.18 Low-voltage power supply Assy
3.2.19 Motor Assy.-belt / Motor Assy-ID
3.2.20 Motor DC-FU (Fuser motor) / Fuser TAG contact terminal PCB (MET PCB)
3.2.21 Side-R Assy. / Side-L Assy
3.2.22 Feed rollers (Tray 1/2/3/4)
3.2.23 Paper feed rollers (MPT pick-up roller / MPT feed roller / MPT retard roller)
3.2.24 Fuser Connector (square connector)
3.2.25 Guide Assy.-Side-L / Rack-L
3.2.26 Guide Assy.-Side-R / Rack-R
3.2.27 Cover-FaceUP-B
3.2.28 Belt TAG contact terminal PCB (F1G PCB)
4. LUBRICATION
4.1 Portions Lubricated

5. CLEANING
5.1 Cleaning
5.2 LED lens array cleaning
5.3 Paper feed roller cleaning

6. OTHER
6.1 Resistance value check
6.2 Parts location
6.3 Maintenance board indication stamp

APPENDIX
and Parts List Manual.

Oki C824 C834 C844 ES8434