Brother HL-L3210CW - Troubleshooting for Toner Cartridge and Drum Unit Problems; New Toner Not Detected; Toner Cartridge Not Detected; Toner Replacement Message Displayed on LCD Is Not Cleared

2-114
Confidential
4.7 Troubleshooting for Toner Cartridge and Drum Unit
Problems
4.7.1 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.
4.7.2 Toner cartridge not detected
<User Check>
• Re-assemble the toner cartridge.
• Replace the toner cartridge with a new one.
4.7.3 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.
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.
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.