Brother DCP-1510 Service Manual page 44

Error code 4000
Drum End Soon
The number of rotations of the drum unit is reaching the upper limit.
Error code 4200
Replace Drum
The number of rotations of the drum unit has reached the life limit. (Printing does not stop.)
<User Check>
• Prepare a new drum unit.
Step
Replace the drum unit with a
new one and reset the drum
1
counter. If the error display is not
cleared, the main PCB is faulty.
Error code 4B01
Toner Low
Prepare New Toner Cartridge.
Dot counter or developer roller counter of the toner is reaching the upper limit (when setting
toner stop mode).
<User Check>
• Prepare a new toner cartridge.
• If the error display is not cleared after the toner cartridge has been replaced with a new
one, follow the procedures below.
Step
Connection failure of the new
1
toner sensor PCB harness
Connection failure of the motor
2
encoder PCB flat cable
3 New toner sensor PCB failure
4 Motor encoder PCB failure
5 Main PCB failure
Error code 4C01
Replace Toner
Open the Scanner Cover and Top Cover, replace Toner Cartridge.
Dot counter or developer roller counter of the toner has reached the upper limit (when setting
toner stop mode).
<User Check>
• Replace the toner cartridge with a new one.
Step
Replace the toner cartridge with
a new one and reset the toner
1
counter. If the error display is not
cleared, the main PCB is faulty.
Cause
Replace the main PCB ASSY.
Cause
Reconnect the new toner sensor PCB harness.
Reconnect the motor encoder PCB flat cable.
Replace the new toner sensor PCB ASSY.
Replace the motor encoder PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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