8) printer system: blank or black prints, T-31 – Konica Minolta PagePro 1390 MF User Manual
Page 141
T-31
(8)
Printer system: Blank or black prints
<Typical Faulty Images>
<Troubleshooting Procedure>
Step
Check
Result
Action
1
Is a printed page blank?
YES
Check the PH Unit connectors
for proper connection.
2
Is the coupling of the drive mechanism of
the Imaging Cartridge properly connected?
NO
Check the coupling of the
drive mechanism for connec-
tion and correct it as neces-
sary, or replace the Imaging
Cartridge (Drum Cartridge,
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 the
contact point.
4
Is the High Voltage Unit (HV1) connector
connected properly?
NO
Connect it properly.
5
Was the problem eliminated when step 4
was checked?
NO
Replace the High Voltage Unit
(HV1).
Replace the Controller/Image
Control Board (PWB-I).
Replace the PH Unit.
4011T035AA
4011T036AA