Brother DCP-L3510CDW
Troubleshooting. Toner Cartridge and Drum Unit Problems
New toner not detected
User Check
• Check if the supplied toner cartridge is installed.
• Be sure to set a new toner cartridge.
• Check that the genuine toner cartridge is set.
| Step | Cause | Remedy |
|---|---|---|
| 1 | High-voltage power supply PCB failure | Replace the high-voltage power supply PCB. |
| 2 | Main PCB failure | Replace the main PCB |
Toner cartridge not detected
User Check
• Re-assemble the toner cartridge.
• Replace the toner cartridge with a new one.
| Step | Cause | Remedy |
|---|---|---|
| 1 | High-voltage power supply PCB failure | Replace the high-voltage power supply PCB. |
| 2 | Main PCB failure | Replace the main PCB |
Toner replacement message displayed on LCD is not cleared
User Check
• Be sure to set a new toner cartridge.
• Check that the genuine toner cartridge is set.
| Step | Cause | Remedy |
|---|---|---|
| 1 | High-voltage power supply PCB failure | Replace the high-voltage power supply PCB. |
| 2 | Main PCB failure | Replace the main PCB |
Drum error
User Check
• Clean the corona wire of the drum unit.
• Replace the drum unit with a new one.
| Step | Cause | Remedy |
|---|---|---|
| 1 | Dirt on the electrodes of the drum unit and those of the machine | Clean the electrodes of the drum unit and those of the machine. |
| 2 | Dirt on the electrodes of the high-voltage power supply PCB and those of the machine | Clean the electrodes of the high-voltage power supply PCB and those of the machine. |
| 3 | High-voltage power supply PCB failure | Replace the high-voltage power supply PCB. |
| 4 | Main PCB failure | Replace the main PCB. |
Drum replacement message displayed on LCD is not cleared
User Check
• Reset the drum counter according to the manual.
| Step | Cause | Remedy |
|---|---|---|
| 1 | Main PCB failure | Replace the main PCB. |