Error Cause
SM 6-11 M085/M086
Trouble –
shooting
Error code 5B
Cartridge Error
Put the Black Toner Cartridge back in.
New toner detection lever malfunction
User Check
Check if the toner cartridge is attached.
Step Cause Remedy
1 New toner detection switch
harness connection failure
Check the harness connection of
the new toner detection switch.
Then, reconnect it.
2 New toner detection switch failure Replace the new toner harness
ASSY.
3 Main PCB failure Replace the main PCB ASSY.
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