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■ Error code 44
No toner cartridge
■ Error code 50
Replacement time of the drum unit
■ Error code 51
Replacement time of the paper feed kit MP
No Toner
Open the Top Cover, then install Toner Cartridge.
User Check
• Install a new toner cartridge.
Step Cause Remedy
1
Dirt on electrodes on toner
cartridge and machine body
Clean both electrodes.
(Refer to Fig. 3-2, Fig. 3-3)
2 HVPS PCB unit failure Replace the HVPS PCB unit.
3 Main PCB failure Replace the main PCB ASSY.
Replace Parts
Drum
User Check
• Replace the drum unit with a new one.
Replace Parts
PF Kit MP
User Check
• Replace the paper feed kit MP with a new one.
Step Cause Remedy
1
Replacement time of the paper
feed kit MP
Replace the paper feed kit MP.