Error Cause And Remedy - Brother MFC-9320CW Service Manual

2.3

Error Cause and Remedy

Check the User Check items first. If an error cannot be resolved, follow the procedures in
numerical order in the Step field.
■ Error code13
-
-
An error, which cannot be recorded, occurs while correction of developing bias is performed.
<User Check>
- Replace the belt unit with a new one.
Step
1
2
3
4
■ Error code 14
-
-
Toner reaches its life end while correction of developing bias is performed.
<User Check>
- Replace the cartridge of toner which reaches its life end with a new one.
Step
1
■ Error code 15
-
-
Correction of developing bias fails.
<User Check>
- Replace the belt unit with a new one.
Step
1
2
3
4
Cause
Registration mark L PCB ASSY
failure
HVPS control PCB failure
High-voltage power supply PCB
failure
Main PCB failure
Cause
Main PCB failure
Cause
Registration mark L PCB ASSY
failure
HVPS control PCB failure
High-voltage power supply PCB
failure
Main PCB failure
Replace the registration sensor holder
ASSY.
Replace the HVPS control PCB ASSY.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Replace the main PCB ASSY.
Replace the registration sensor holder
ASSY.
Replace the HVPS control PCB ASSY.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
3-11
Remedy
Remedy
Remedy
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