Konica Minolta bizhub 20 Service Manual page 89

■ Error code 44
No Toner
Open the Front Cover, then install Toner Cartridge.
No toner cartridge
<User Check>
• Install a new toner cartridge.
Step
Dirt on electrodes on toner
1
cartridge and machine body
2 HVPS PCB unit failure
3 Main PCB failure
■ Error code 50
Replace Parts
Drum
The drum unit reached its life and requires replacement.
<User Check>
• Replace the drum unit with a new one.
■ Error code 51
Replace Parts
PF Kit MP
The paper feed kit MP reached its life and requires replacement.
<User Check>
• Replace the paper feed kit MP with a new one.
Step
Replacement time of the paper
1
feed kit MP
Cause
Cause
3-14
Remedy
Clean both electrodes.
(Refer to Fig. 3-2, Fig.
Replace the HVPS PCB unit.
Replace the main PCB ASSY.
Remedy
Replace the paper feed kit MP.
3-3)
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