Code :

Code: F2-12
Description: Developing unit initial detection (C)
Causes: The initial detection fuse is not blown off though it is conducted for the specified time. (C) Developing unit trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM6-51 to check the operations of the [DVCRU C] fuse blowing circuit. Use SIM30-1 to check the [DVCRU C] initial detection input signal. Replace the developing unit. Replace the PCU PWB. Check connection of the connector and the harness.

Code: F2-13
Description: Developing unit initial detection (M)
Causes: The initial detection fuse is not blown off though it is conducted for the specified time. (M) Developing unit trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM6-51 to check the operations of the [DVCRU M] fuse blowing circuit. Use SIM30-1 to check the [DVCRU M] initial detection input signal. Replace the developing unit. Replace the PCU PWB. Check connection of the connector and the harness.

Code: F2-14
Description: Developing unit initial detection (Y)
Causes: The initial detection fuse is not blown off though it is conducted for the specified time. (Y) Developing unit trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM6-51 to check the operations of the [DVCRU Y] fuse blowing circuit. Use SIM30-1 to check the [DVCRU Y] initial detection input signal. Replace the developing unit. Replace the PCU PWB. Check connection of the connector and the harness.

Code: F2-15
Description: Drum unit initial detection trouble (K drum)
Causes: When the newly installed drum is driven for the specified time after installation, the new state is not canceled. (K) Detection switch [DRCRU-K] trouble Process cartridge trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM30-1 to check the operation of the [DRCRU-K] switch. Replace the process (drum) cartridge. Replace the PCU PWB. Check connection of the connector and the harness.

Code: F2-16
Description: Drum unit initial detection trouble (C drum)
Causes: When the newly installed drum is driven for the specified time after installation, the new state is not canceled. (C) Detection switch [DRCRU-C] trouble Process cartridge trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM30-1 to check the operation of the [DRCRU-C] switch. Replace the process (drum) cartridge. Replace the PCU PWB. Check connection of the connector and the harness.

Code: F2-17
Description: Drum unit initial detection trouble (M drum)
Causes: When the newly installed drum is driven for the specified time after installation, the new state is not canceled. (M) Detection switch [DRCRU-M] trouble Process cartridge trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM30-1 to check the operation of the [DRCRU-M] switch. Replace the process (drum) cartridge. Replace the PCU PWB. Check connection of the connector and the harness.

Code: F2-18
Description: Drum unit initial detection trouble (Y drum)
Causes: When the newly installed drum is driven for the specified time after installation, the new state is not canceled. (Y) Detection switch [DRCRU-Y] trouble Process cartridge trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM30-1 to check the operation of the [DRCRU-Y] switch. Replace the process (drum) cartridge. Replace the PCU PWB. Check connection of the connector and the harness.

Code: F2-19
Description: Primary transfer unit initial detection trouble
Causes: When the newly installed primary transfer unit is driven for the specified time after installation, the new state is not canceled. 1TUD K sensor trouble Primary transfer initial operation clutch mechanism trouble Primary transfer unit initial detection level trouble PCU PWB trouble. Connection trouble of the connector and the harness. Primary transfer belt unit trouble.
Remedy: Use SIM30-1 to check the operation of the 1TUD-K sensor. Use SIM6-3 to check the switching operation of the primary transfer unit. Check to confirm that the initial detection level is inclined. Replace the PCU PWB. Check connection of the connector and the harness. Replace the primary transfer unit.