Printer 4-Color: White Lines In Cd, White Bands In Cd, Colored Lines In Cd, And Colored Bands In Cd - Minolta CF2002 Service Manual

(28) Printer 4-Color: white lines in CD, white bands in CD, colored lines in CD, and
colored bands in CD
White lines in CD White bands in CD Colored lines in CD Colored bands in CD
4011T016AA
<Troubleshooting Procedure>
Section Step
Image 1 Fingerprints, oil, or other for-
Transfer eign matter is evident on the
Belt Unit Image Transfer Belt.
2 Image Transfer Belt is dirty or
scratched.
3 Cleaning Blade is not effective
in removing toner completely.
Image 4 Image Transfer Roller is dirty
Transfer or scratched.
Roller Unit
Paper path 5 There is foreign matter on
paper path.
6 Image Transfer Paper Separa-
tor Fingers are damaged or
dirty.
Paper Dust 7 Paper dust accumulates on
Remover Paper Dust Remover.
Fusing Unit 8 Fusing Entrance Guide Plate is
dirty or damaged.
9 Fusing Paper Separator Fin-
gers are dirty.
10 The problem has been elimi-
nated through the checks of
steps up to 9.
<Typical Faulty Images>
4011T021AA
Check Item Result
T-105
4011T018AA 4011T022AA
Action
YES Clean with specified solvent.
(See DIS/REASSEMBLY,
ADJUSTMENT.)
YES Clean dirty belt with a soft
cloth.
Change Image Transfer Belt
Unit if belt is damaged.
YES Clean Cleaning Blade.
change Image Transfer Belt
Unit.
YES Change Image Transfer Roller
Unit.
YES Remove foreign matter.
YES Clean or change.
YES Clean.
YES Clean or change.
YES Clean.
NO Change Image Transfer Roller
Unit.
→
Change Image Transfer
Belt Unit.
→
Change PIC Board.