(11) Gradation Reproduction Failure - Minolta Di151 Service Manual

FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING
00.03.10

(11) Gradation reproduction failure

Section Step
1 Wiring between the PH Unit
and Master Board is con-
Engine
nected.
1 Original Glass is dirty.
2 Shading sheet is dirty.
IR
3 Wiring between the Scanner
and Control Board is con-
nected.
(12) Rough image
Section Step
1 Toner is even on Sleeve Roller.
2 Image Transfer Roller is dirty.
Engine
3 Image transfer current termi-
nal is dirty.
1 Wiring between the Scanner
and Control Board is con-
IR
nected.
Check Result
YES Change PH Unit and Master
NO
YES Clean.
YES Clean.
YES Change Control Board.
NO
Check Result
NO
YES Clean or change.
YES Clean.
NO
YES Change Control Board.
NO
T-25
Action
Board.
Connect.
Change Scanner.
Connect.
Action
Change.
Change I/C.
Change Scanner.
Connect.