Oki MC770 Maintenance Manual

45584901TH Rev.1
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Oki Data CONFIDENTIAL
4.4.14 JPEG compression level adjustment ............................................................ 4-30
4.4.15 Color conversion table selection ................................................................... 4-30
5. ERROR CODE AND TROUBLESHOOTING .................................................. 5-1
5.1 General Descriptions ............................................................................ 5-1
5.1.1 If a problem continues even after performing all troubleshooting. ................... 5-1
5.1.2 Collection of debug logs with a USB device ................................................... 5-2
5.2 ErrorCodeList ...................................................................................... 5-4
5.2.1 Jam ................................................................................................................. 5-4
5.2.2 Service call ..................................................................................................... 5-5
5.2.3 ErrorinInternetFAX/ScanningFunction ...................................................... 5-8
5.2.4 Printer function error ..................................................................................... 5-17
5.2.5 WebPagerelatederror/Communicationerrorwithexternalapplication ....... 5-19
5.2.6 MFP access error ......................................................................................... 5-20
5.2.7 Maintenance error ......................................................................................... 5-21
5.2.8 Network error ................................................................................................ 5-22
5.2.9 Error history .................................................................................................. 5-25
5.3 Diagnosis and Prescription for Each Error Code ................................ 5-27
5.3.1 Check item .................................................................................................... 5-27
5.3.2 Paper jam in finisher section ......................................................................... 5-28
5.3.3 Finisher related service call .......................................................................... 5-32
5.3.4 Communication related service call .............................................................. 5-40
5.3.5 Circuit related service call ............................................................................. 5-43
5.3.6 Other service call .......................................................................................... 5-45
5.3.7 ErrorinInternetFAX/ScanningFunction .................................................... 5-63
5.3.8 Printer function error ..................................................................................... 5-75
5.3.9 WebPagerelatederror/Communicationerrorwithexternalapplication ....... 5-77
5.3.10 MFP access error ......................................................................................... 5-81
5.3.11 Maintenance error ......................................................................................... 5-83
5.3.12 Network error ................................................................................................ 5-88
5.4 Other errors ........................................................................................ 5-98
5.4.1 Equipmentoperationdisabledaftertheinstallationofoption(s) ................... 5-98
5.4.2 WirelessLANconnectiondisabled ............................................................... 5-98
5.4.3 “InvalidDepartmentCode”isdisplayed ........................................................ 5-98
5.4.4 Ethernet disabled in half-duplex communication .......................................... 5-98
6. REPLACEMENT OF PC BOARDS/HDD ........................................................ 6-1
6.1 Removal and Installation of PC Boards/HDD ....................................... 6-1
6.1.1 Right side cover .............................................................................................. 6-1
6.1.2 CU board cover ............................................................................................... 6-3
6.1.3 CU board ........................................................................................................ 6-3
6.1.4 Hard disk (HDD) ............................................................................................. 6-5
6.1.5 SRAM board <for CU board> .......................................................................... 6-6
6.1.6 FAXunit .......................................................................................................... 6-7
6.2 Precautions,ProceduresandSettingsforReplacingPCBoardsand
HDD ...................................................................................................... 6-8
6.2.1 Precautions when replacing PC boards .......................................................... 6-8
6.2.2 HDD fault diagnosis ........................................................................................ 6-9

Oki MC770 Specifications

General

Brand	Oki
Model	MC770
Category	All in One Printer
Language	English