(12) Printer System: Foggy Background; (13) Printer System: Blank Streaks Or Bands - Konica Minolta PagePro 1380 MF Service Manual

(12) Printer system: Foggy background

<Troubleshooting Procedure>
Step
1 Is the PC Drum scratched?
2 Is the developing bias contact terminal in
good contact with its mating part?
3 Is the PH window dirty?
4 Is the problem eliminated after checks have
been made through step 3?

(13) Printer system: Blank streaks or bands

<Troubleshooting Procedure>
Step
1 Is the Image Transfer Roller dented,
scratched, or dirty?
2 Is PC Drum scratched or dirty?
3 Is the Fusing Roller scratched or dirty?
4 Is the PH window dirty?
5 Is the problem eliminated after checks have
been made through step 4?
<Typical Faulty Image>
4011T004AA
Check
<Typical Faulty Images>
4011T015AA
Check
T-34
Result Action
YES Replace the Drum Cartridge.
NO Clean the contact terminal or
check the terminal position.
YES Clean it.
NO Replace the High Voltage Unit
(HV1).
Replace the Controller/Image
Control Board (PWB-I).
4011T020AA
Result Action
YES Replace the Image Transfer
Roller.
YES Replace the Drum Cartridge.
YES Replace the Fusing Unit
(Fusing Roller).
YES Clean it.
NO Replace the Controller/Image
Control Board (PWB-I).