Brother 09055CDN Service Manual page 127

■ Error code C6
Toner Error
One or more Toner Cartridges are not detected. Pull out and reinsert all 4
Toner Cartridges.
Pressure engagement/disengagement failure of toner cartridge.
<User Check>
- Insert the toner cartridge again.
Step
1 Harness connection failure of
develop release motor
2 Develop release motor failure
3 Develop release sensor PCB
failure
4 Engine PCB failure
■ Error code C7
Out of Memory
Press job cancel.
Insufficient memory.
<User Check>
- Delete the stored data.
- Install additional DIMM.
Step
1 Main PCB failure
■ Error code C8
Out of Memory
Secure Print Data is full. Press Cancel and delete the previously stored
data.
RAM area for secure data full.
<User Check>
- Delete the stored data.
- Limit the registration of secure files within the limit of 10 users and 3 jobs.
Step
1 Main PCB failure
Cause
Cause
Cause
2-88
Remedy
Check the harness connection of the
develop release motor and
reconnect it.
Replace the develop release motor.
Replace the develop release sensor PCB
ASSY.
Replace the engine PCB ASSY.
Remedy
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
Confidential