Code :

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.

Code: F2-21
Description: Secondary transfer unit initial detection trouble
Causes: When the newly installed secondary transfer unit is driven for the specified time after installation, the new state is not canceled. PCU PWB trouble. Connection trouble of the connector and the harness. Secondary transfer UN initial detection mechanism trouble Initial detection electrode trouble Secondary transfer unit trouble.
Remedy: Check conduction of the initial detection electrode plate and the initial detection GND electrode plate. Replace the PCU PWB. Check connection of the connector and the harness. Replace the secondary transfer unit.

Code: F2-22
Description: Discharge lamp trouble (K)
Causes: Contact trouble between the discharge lamp PWB (K) and the PCU PWB. Discharge lamp PWB (K) trouble. PCU PWB trouble.
Remedy: Replace the discharge lamp PWB (K). Check the harness and the connector. Replace the PCU PWB.

Code: F2-23
Description: Discharge lamp trouble (C)
Causes: Contact trouble between the discharge lamp PWB (C) and the PCU PWB. Discharge lamp PWB (C) trouble. PCU PWB trouble.
Remedy: Replace the discharge lamp PWB (C). Check the harness and the connector. Replace the PCU PWB.