Code :

Code: F6-00
Description: MFPC PWB - FAX communication trouble
Causes: FAX control PWB trouble. FAX control PWB - MFPC PWB connector and harness trouble. FAX control PWB - Mother board connector and harness trouble. FAX control PWB ROM trouble / ROM pin breakage
Remedy: Replace the FAX control PWB. Check the connector and the harness between the FAX control PWB and the MFPC PWB. Check the connector and the harness between the FAX control PWB and the mother board. Check the ROM of the FAX control PWB.

Code: F6-01
Description: FAX control PWB EEPROM read/write error
Causes: FAX control PWB EEPROM trouble. FAX control PWB EEPROM access circuit trouble
Remedy: Check that no trouble occurs after replacement of EEPROM. Execute the memory check of SIM66-3 to insure that EEPROM can be accessed. Replace the FAX control PWB.

Code: F6-04
Description: FAX MODEM operation trouble
Causes: FAX MODEM chip operation trouble. The FAX MODEM chip cannot be accessed.
Remedy: Replace the FAX control PWB. Replace the FAX control PWB.

Code: F6-21
Description: Improper combination of TEL/LIU PWB and FAX soft switch
Causes: The destination of the TEL/LIU PWB installed is improper. TEL/LIU PWB trouble.
Remedy: Check the destination of the TEL/LIU PWB. Replace the TEL/LIU PWB.

Code: F6-30
Description: FAX 1-chip microprocessor access error (FAX detection)
Causes: Program writing trouble to the 1-chip microprocessor, or no program data written. FAX 1-chip microprocessor circuit trouble.
Remedy: Use SIM66-42 to rewrite the 1-chip microprocessor program. Replace the FAX control PWB.

Code: F6-98
Description: Incompatibility between the FAX control PWB destination and the main machine destination
Causes: Incompatibility between the destination information written into the FAX control PWB EEPROM and that in the main machine (set with SIM26-6)
Remedy: 1) Check the destination of the FAX control PWB. 2) Check the destination of the machine. (SIM26-6)

Code: H2-00
Description: Thermistor open trouble (TH_UM_AD2)
Causes: Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
Remedy: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.