Konica Minolta Magicolor 5440 DL - Manual (Page 222)

Main Unit Field Service Image Quality Problems
4-35
IV
T
roub
lshoo
t
in
g
5.1.3 Uneven density in FD
A. Typical Faulty Images
B. Troubleshooting Procedure
4036fs4043c0 4036fs4044c0 4036fs4045c0
Step Section Check Item Result Action
1
Adjustment
/Setting
The Printer is being operated at
high altitude.
YES
Adjust the image with “ALTITUDE
SETUP” (magicolor 5430 DL/
5440 DL)
→ ENGINE/ENGINE SERVICE/
RESTORE USER DEFAULT/
ALTITUDE SETUP
Adjust the image with “IMAGE
ADJ PRAM” (magicolor 5450)
→ SERVICE MENU/ALIGN-
MENT/IMAGE ADJ PRAM
2
Toner Cartridge
Are there scratches or lines evi-
dent on photo conductor surface?
YES Change the Toner Cartridge.
3 Is the outside dirty? YES Clean.
4 PH Unit Is the window surface dirty? YES Clean.
5
Transfer Belt Unit
Is the Transfer Belt dirty or
scratched?
YES
Wipe the surface clean of dirt with
a soft cloth. Change a scratched
Transfer Belt for a Transfer Belt
Unit.
6 Is the terminal dirty? YES Clean.
7
Is the Transfer Roller dirty or
scratched?
YES Change the Transfer Roller.
8
Has the problem been eliminated
through the checks of steps up to
6?
NO
Change the Toner Cartridge.
→ Change the Transfer Belt Unit.
→ Change the PH Unit.
→ Change High Voltage Unit/1.
→ Change High Voltage Unit/2.
5450_E.book_PDF.book 35 ページ ２００５年４月１２日 火曜日 午後１２時５４分