Code :

Code: F6-30
Description: FAX 1-chip microprocessor access error (FAX detection)
Causes: FAX 1-chip microprocessor access error (Read and write)
Remedy: Case 1 Cause Program writing trouble to the 1-chip microprocessor, or no program data written. Check and Remedy Use SIM66-42 to rewrite the 1-chip microprocessor program. Case 2 Cause FAX 1-chip microprocessor circuit trouble. Check and Remedy 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)
Causes: Main 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.

Code: H2-01
Description: Thermistor open trouble (TH_US)
Causes: Sub 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.

Code: H3-00
Description: Fusing section high temperature trouble (TH_UM)
Causes: The fusing temperature exceeds the specified level. Main thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Power unit trouble.
Remedy: Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the power unit.

Code: H3-01
Description: Fusing section high temperature trouble (TH_US)
Causes: The fusing temperature exceeds the specified level. Sub thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Power unit trouble.
Remedy: Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the power unit.

Code: H4-00
Description: Fusing section low temperature trouble (TH_UM)
Causes: Main thermistor trouble. Main heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Remedy: Use SIM14 to cancel the trouble. Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit.