Troubleshooting For Toner And Drum Problems; New Toner Is Not Detected; Toner Cartridge Cannot Be Recognized; Error Message Prompting Toner Cartridge Replacement Does Not Disappear - Brother DCP-7080 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
New toner sensor PCB failure
3
Main PCB failure
4

4.7.2 Toner cartridge cannot be recognized

<User Check>
- Set the toner cartridge correctly.
Step
New toner actuator coming off
1
Connection failure of the new toner
2
sensor PCB flat cable
New toner sensor PCB failure
3
Main PCB failure
4

4.7.3 Error message prompting toner cartridge replacement does not disappear

<User Check>
- 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
New toner sensor PCB failure
3
Main PCB failure
4
Cause
Reattach the new toner actuator.
Reconnect the new toner sensor PCB flat
cable.
Replace the new toner sensor PCB ASSY.
Replace the main PCB ASSY.
Cause
Reattach the new toner actuator.
Reconnect the new toner sensor PCB flat
cable.
Replace the new toner sensor PCB ASSY.
Replace the main PCB ASSY.
Cause
Reattach the new toner actuator.
Reconnect the new toner sensor PCB flat
cable.
Replace the new toner sensor PCB ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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