Brother DCP-7055 Service Manual page 91

■ Error code 9B
Toner Ended
Open the Front Cover, replace Toner Cartridge.
The toner cartridge reached the end of life.
<User Check>
• Replace the toner cartridge.
Step
1 Main PCB failure
■ Error code 9C
(For the models without FAX function)
Replace Toner
Open the Front Cover, replace Toner Cartridge.
(For the models with FAX function)
Replace Toner
Received faxes are also stored in memory until the toner cartridge
is replaced or the memory is full.
The toner cartridge reached the end of life. (Continue mode on)
<User Check>
• Replace a new toner cartridge.
Step
New toner actuator catching on
1
some position
Harness connection failure of new
2
toner sensor PCB
3 New toner sensor PCB failure
4 Main PCB failure
Cause
Cause
2-54
Remedy
Replace the main PCB ASSY.
Remedy
Correct the position of the new toner
actuator.
Check the harness connection of the new
toner sensor PCB and reconnect it.
Replace the new toner sensor PCB.
Replace the main PCB ASSY.
Confidential