Oki C5500 Oki C55800 Oki C6100 Service Manual

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 C5500 Oki C55800 Oki C6100 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:

1.1 System configuration
1.2 Printer configuration
1.3 Composition of optional items
1.4 Specifications
1.5 Interface specifications
1.5.1 Parallel interface specifications (N/A)
1.5.2 USB interface specifications (C6100/C5800/C5500) Outline of USB interface USB interface connectors and cables USB interface signals
1.5.3 Network interface specifications (C6100/C5800/C5500) Outline of network interface Network interface connectors and cables Network interface signals

2.1 Electrophotographic processing mechanism
2.2 Printing process

3.1 Cautions, and do’s and don’ts
3.2 Unpacking method
3.3 Printer Installation Instructions
3.4 Listing of component units and accessories
3.5 Assembling method
3.5.1 Assembly of printer main body
3.5.2 Connection of power cable
3.5.3 Installation of optional items
3.5.4 Confirmation of recognition of optional items
3.6 Menu Map print
3.7 Connection methods
3.8 Confirmation of paper used by the user

4.1 Precautions on the replacement of parts
4.2 Part replacement methods
4.2.1 Left side cover
4.2.2 Right side cover
4.2.3 Face-Up Tray
4.2.4 Rear cover
4.2.5 LED Assy/LED Assy springs
4.2.6 Control PCB
4.2.7 Print engine controller PCB
4.2.8 Top cover assembly
4.2.9 Top cover
4.2.10 Controller Panel Assy
4.2.11 Board PRP/ Top Cover Handle
4.2.12 Low-Voltage Power Supply / Low-Voltage Fan / Hopping Motor /Fuser Motor
4.2.13 Guide Eject Assy / Color Register Assy / Board-PRY
4.2.14 Fan (Fuser)/ Belt Motor / High-Voltage Power Supply Board /Cover-Open Switch
4.2.15 MPT Assy
4.2.16 Feeder Unit / Board-RSF/ MPT Hopping Roller /Frame Assy Separator / Cover Front
4.2.17 Board-PRZ Lift-Up Motor/Solenoid/Paper-End Sensor
4.2.18 Feed Roller
4.2.19 Shaft Eject Assy(FU) / Shaft Eject Assy(FD) / Eject Sensor
4.2.20 Fuser Unit
4.2.21 Belt Unit
4.3 Lubricating points

5.1 System maintenance menu (For maintenance personnel)
5.2 Maintenance utility
5.3 Functions of user’s maintenance menu
5.3.1 Maintenance menu (For end users)
5.3.2 Self-diagnostic mode Operator panel Normal self-diagnostic mode (Level 1) Activation method for self-diagnostic mode (Level 1) Deactivation of self-diagnostic mode Switch scan test Motor clutch test Test print Color registration adjustment test Print density adjustment test Indication of consumable part counters Indication of printed page counters Factory/Shipping switching Setup of self-diagnostic function Indication of LED head serial number Details of panel indications
5.3.3 Various types of print on the individual printer equipped with controller
5.3.4 Functions of keys when depressed at power-on
5.4 Setup after replacement of parts
5.4.1 Precautions on the replacement of engine control PCB
5.4.2 Setup of EEPROM after replacement of SP1/TBH PCB Replacement of EEPROM after replacement of TBH PCB Setup of CU Serial Number
5.4.3 Setup of destination
5.5 About the manual setup of Print density adjustment

6.1 Recommended replacement parts
6.2 Cleaning
6.3 Cleaning of LED lens array
6.4 Cleaning of pickup rollers
6.5 Internal cleaning of printer

7.1 Precautions prior to repair
7.2 Items to be checked prior to taking action on abnormal images
7.3 Precautions when taking action on abnormal images
7.4 Preparations for troubleshooting
7.5 Troubleshooting method
7.5.1 LCD Message List
7.5.2 Preparing for troubleshooting
7.5.2.(1)LCD Display Malfunction
7.5.2.(2)Irregular Operation of the device after turning on the power
7.5.2.(3)Paper Feed Jam (Error 391:1st Tray)
7.5.2.(4)Paper Feed Jam (Error 390:Multi-purpose Tray)
7.5.2.(5)Paper Path Jam (Error 381)
7.5.2.(6)Paper Exit Jam (Error 382)
7.5.2.(7)Duplex Print Jam (Error 370,371,372,373,383)
7.5.2.(8)Paper Size Error (Error 400)
7.5.2.(9)ID Unit Up-Down Error(Service Call 140-143)
7.5.2.(10)Fuser Unit Error (Error 170-177)
7.5.2.(11)Motor Fan Error (Error 120,127,051)
7.5.2.(12)Print Speed is Slow (Low Performance)
7.5.2.(13)Option unit is not recognized
7.5.2.(14)LED head is not recognized (Error 131,132,133,134)
7.5.2.(15)Toner cartridge is not recognized (Error 540,541,542,543)
7.5.2.(16)Fuse Cutout Error (Error 150-155)
7.5.2.(17)Dew Condensation Errors (Error 123)
7.5.3 Image Problem Troubleshooting
7.5.3.(1)Color is totally pale (Fig.7.2 A )
7.5.3.(2)Background is dirty (Fig.7.2 B )
7.5.3.(3)Blank Print (Fig.7.2 C )
7.5.3.(4)Vertical lines are printed
7.5.3.(5)Cyclic Print Trouble (Refer to Fig.7.2 E )
7.5.3.(6)Color registration is wide
7.5.3.(7)Solid Black Print
7.5.4 Actions after forced initialization of HDD/Flash
7.5.5 Network Troubleshooting
7.6 Check of fuses

8.1 Check of resistance values
8.2 Component layout

Number of pages: 243.