Konica Minolta Magicolor 5440 DL - Manual (Page 231)

Image Quality Problems Main Unit Field Service
4-44
IV
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5.1.12 Blank copy, black copy
A. Typical Faulty Images
B. Troubleshooting Procedure
Blank print Black print
4036fs4038c0 4036fs4039c0
Step Section Check Item Result Action
1 Image check Does a blank print occur? YES
Check the PH Unit connector for
proper connection.
2
Toner Cartridge
Is the coupling of the Toner Car-
tridge drive mechanism installed
properly?
NO
Check or correct drive transmit-
ting coupling or change the Toner
Cartridge.
3
Is the charge corona voltage con-
tact or photo conductor ground
contact of the Toner Cartridge
connected properly?
NO
Check, clean, or correct the con-
tact.
4
High Voltage
Unit/1,
High Voltage
Unit/2
Is the connector corrected prop-
erly?
NO Reconnect.
5
Has the problem been eliminated
through the checks of steps up to
4?
NO
Change High Voltage Unit/1.
→ Change High Voltage Unit/2.
→ Change the Mechanical Con-
trol Board.
→ Change the PH Unit.
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