Description: MFP firmware and EEPROM data inconsistent error
Causes: Inconsistency between MFP firmware version and EEPROM data version
Remedy: SIM49-1 to execute the firmware update
Code: A0-21
Description: PCU firmware and EEPROM data inconsistent error
Causes: Inconsistency between PCU firmware version and EEPROM data version
Remedy: SIM49-1 to execute the firmware update
Code: A0-22
Description: SCN firmware and EEPROM data inconsistent error
Causes: Inconsistency between SCN firmware version and EEPROM data version
Remedy: SIM49-1 to execute the firmware update
Code: C1-10
Description: Main charger error K
Causes: Open or short circuit of the main charger output
Remedy: 1. SIM8-2 to execute >When there is leakage noise or flickering on the operation panel Check insertion of main charger Check MC PWB spring contact point Replace main charger Replace MC PWB harness Replace developing unit (KCMY) 2. SIM8-2 to execute >When there is no leakage noise Check insertion of main charger Check connection state of MC PWB harness (T101) or replace Replace MC PWB Replace PCU PWB