Troubleshooting For Toner And Drum Problems; New Toner Is Not Detected; Toner Cartridge Cannot Be Recognized - Brother HL-L2300D Service Manual

4.7 Troubleshooting for Toner and Drum Problems

4.7.1 New toner is not detected

<User Check>
- Check that the packaged toner cartridge is not set.
- Check that a new (not used) toner cartridge is set.
- Check that the genuine toner cartridge is set.
Step
New toner actuator coming off
1
Connection failure of the new toner
2
sensor PCB flat cable
Connection failure of the panel PCB
3
flat cable
New toner sensor PCB failure
4
Panel PCB failure
5
Main PCB failure
6

4.7.2 Toner cartridge cannot be recognized

<User Check>
- Set the toner cartridge correctly.
- Replace the toner cartridge with a new one.
Step
New toner actuator coming off
1
Connection failure of the new toner
2
sensor PCB flat cable
Connection failure of the panel PCB
3
flat cable
New toner sensor PCB failure
4
Panel PCB failure
5
Main PCB failure
6
Cause
Reattach the new toner actuator.
Reconnect the new toner sensor PCB flat
cable.
Reconnect the panel PCB flat cable.
Replace the new toner sensor PCB ASSY.
Replace the panel PCB ASSY.
Replace the main PCB ASSY.
Cause
Reattach the new toner actuator.
Reconnect the new toner sensor PCB flat
cable.
Reconnect the panel PCB flat cable.
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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