Code :

Code: F2-50
Description: K drum phase sensor trouble
Causes: Drum phase sensor dirt. Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble Drum drive section trouble. PCU PWB trouble.
Remedy: Check the sensor condition and check the connection. Use SIM30-1 to check the operation of "DHPD_K". Replace the drum phase sensor. Repair the drum drive section. Replace the PCU PWB.

Code: F2-51
Description: CL drum phase sensor trouble
Causes: Drum phase sensor dirt. Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble Drum drive section trouble. PCU PWB trouble.
Remedy: Check the sensor condition and check the connection. Use SIM30-1 to check the operation of "DHPD_CL". Replace the drum phase sensor. Repair the drum drive section. Replace the PCU PWB.

Code: F2-58
Description: Temperature/humidity sensor trouble (Indoor humidity detection trouble)
Causes: Detection of abnormality by the humidity sensor on internal temperature/ humidity sensor.
Remedy: Check internal temperature/humidity sensor and check the connection of harness and connector. Check the PCU PWB.

Code: F2-64
Description: Toner supply operation trouble (K)
Causes: Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy: Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.

Code: F2-65
Description: Toner supply operation trouble (C)
Causes: Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy: Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.

Code: F2-66
Description: Toner supply operation trouble (M)
Causes: Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy: Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.

Code: F2-67
Description: Toner supply operation trouble (Y)
Causes: Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy: Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.

Code: F2-70
Description: Improper toner cartridge detection (K)
Causes: An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy: Replace the toner cartridge. Replace the PCU PWB.