Konica Minolta Di1610, Service Manual

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T-33
(8) Printer system: Blank or black prints
<Typical Faulty Images>
<Troubleshooting Procedures>
Step Check Result Action
1 Is a printed page blank? YES Check PH Unit connectors for
proper connection.
2 Is the coupling of the drive mechanism of
the Imaging Cartridge properly connected? NO Check coupling of drive mech-
anism for connection and cor-
rect as necessary, or replace
Imaging Cartridge (Drum Car-
tridge, Toner Cartridge).
3 Is the drum charge voltage contact point or
PC Drum ground contact point of the Imag-
ing Cartridge properly connected? NO Check, clean, or correct con-
tact point.
4 Is the High Voltage Unit (HV1) connector
connected properly? NO Connect it properly.
5 Is the problem eliminated when step 4 was
checked? NO Replace High Voltage Unit
(HV1).
Replace Controller/Mechani-
cal Control Board (PWB-P).
Replace PH Unit.
4011T035AA 4011T036AA