45641001TH Rev.1 xii /Oki Data CONFIDENTIAL5. eRROR CODe aND TROUBLesHOOTING .................................................. 5-15.1 General Descriptions ............................................................................ 5-15.1.1 If a problem continues even after performing all troubleshooting.................... 5-15.1.2 Collection of debug logs with a USB device ................................................... 5-25.2 Error Code List ...................................................................................... 5-45.2.1 Jam ................................................................................................................. 5-45.2.2 Service call ..................................................................................................... 5-55.2.3 Error in Internet FAX / Scanning Function ...................................................... 5-85.2.4 Printer function error ..................................................................................... 5-175.2.5 Web Page related error/Communication error with external application ....... 5-195.2.6 MFP access error ......................................................................................... 5-205.2.7 Maintenance error ......................................................................................... 5-215.2.8 Network error ................................................................................................ 5-225.2.9 Error history .................................................................................................. 5-255.3 Diagnosis and Prescription for Each Error Code ................................ 5-275.3.1 Check item .................................................................................................... 5-275.3.2 Paper jam in finisher section ......................................................................... 5-285.3.3 Finisher related service call .......................................................................... 5-325.3.4 Communication related service call .............................................................. 5-405.3.5 Scanner related service call.......................................................................... 5-425.3.6 Circuit related service call ............................................................................. 5-435.3.7 Other service call .......................................................................................... 5-445.3.8 Error in Internet FAX / Scanning Function .................................................... 5-675.3.9 Printer function error ..................................................................................... 5-795.3.10 Web Page related error/Communication error with external application ....... 5-825.3.11 MFP access error ......................................................................................... 5-865.3.12 Maintenance error ......................................................................................... 5-885.3.13 Network error ................................................................................................ 5-935.4 Other errors ...................................................................................... 5-1035.4.1 Equipment operation disabled after the installation of option(s) ................. 5-1035.4.2 Wireless LAN connection disabled ............................................................. 5-1035.4.3 “Invalid Department Code” is displayed ...................................................... 5-1035.4.4 Ethernet disabled in half-duplex communication ........................................ 5-1036. RePLaCemeNT OF PC BOaRDs/HDD........................................................ 6-16.1 Removal and Installation of PC Boards/HDD ....................................... 6-16.1.1 Right side cover .............................................................................................. 6-16.1.2 SYS Board cover ............................................................................................ 6-46.1.3 SYS board ...................................................................................................... 6-56.1.4 Hard disk (HDD) ............................................................................................. 6-66.1.5 SRAM board ........................................................................ 6-86.1.6 FAX unit .......................................................................................................... 6-96.2 Precautions, Procedures and Settings forReplacing PC Boards and HDD .......................................................... 6-106.2.1 Precautions when replacing PC boards ........................................................ 6-106.2.2 HDD fault diagnosis ...................................................................................... 6-116.2.3 Precautions and procedures when replacing the HDD ................................. 6-13