Brother HL-L2300D Service Manual page 52

 Error code 4C01
Replace Toner
Open the Front Cover, replace Toner Cartridge.
Dot count or develop roller counter of the toner has reached the upper limit in the toner stop
mode.
Error code 4D01
Replace Toner
-
Dot count or develop roller counter of the toner has reached the upper limit in the toner
continuous printing mode.
Error code 4E01
Toner Ended
Open the Front Cover, replace Toner Cartridge.
The toner cartridge has reached the upper limit in the toner continuous printing mode.
<User Check>
• Replace the toner cartridge which has reached the upper limit.
Step
If the error display is not cleared
after replacing the toner
1
cartridge with a new one, the
main PCB is faulty.
 Error code 4F01
Cartridge Error
Put the Toner Cartridge back in.
The new toner sensor could not detect the new toner cartridge correctly.
<User Check>
• Replace the toner cartridge with a new one again.
• If the machine is on the uneven surface, place it on a level surface.
Step
Connection failure of the new
1
toner sensor PCB flat cable
New toner actuator coming off
2 or caught in sections of the
machine
Develop joint coming off or
3 caught in sections of the
machine
New toner sensor failure
4
Panel PCB failure
5
If the error display is not cleared
after replacing the toner
6
cartridge with a new one, the
main PCB is faulty.
Cause
Replace the main PCB ASSY.
Cause
Reconnect the new toner sensor PCB flat
cable.
Reattach the new toner actuator.
Reattach the develop joint.
Replace the new toner sensor PCB ASSY.
Replace the panel PCB ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
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