(11) Printer System: Low Image Density - Konica Minolta Di1610 Service Manual

(11) Printer system: Low image density

<Troubleshooting Procedures>
Step
1 Is paper damp?
2 Is there toner left in Toner Cartridge?
3 Is PC Drum faulty (life)?
4 Is developing bias faulty?
5 Is image transfer faulty?
<Typical Faulty Image>
4011T003AA
Check
T-35
Result Action
YES Replace paper for one just
unwrapped.
NO Replace Toner Cartridge.
YES Replace Drum Cartridge.
YES Replace High Voltage Unit
(HV1).
Replace Controller/Mechani-
cal Control Board (PWB-P).
YES Replace Image Transfer
Roller.
Replace High Voltage Unit
(HV1).
Replace Controller/Mechani-
cal Control Board (PWB-P).