Smear On Back; (10) Uneven Image Density - Minolta Di151 Service Manual

FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING
00.03.10
(9)

Smear on back

Section Step
1 Size error occurs ("H2" dis-
played).
2 Image Transfer Roller is dirty.
3 Toner spilled over areas inside
Engine copier.
4 Fusing Back-Up Roller is dirty.

(10) Uneven image density

Section Step
1 Toner is even on Sleeve Roller.
2 Image Transfer Roller is dirty
Engine or deteriorated.
1 Original Glass, mirrors, or lens
are dirty.
2 Shading sheet is dirty.
3 Exposure Lamp is dirty or
IR
deteriorated.
4 Wiring between the Scanner
and Control Board is con-
nected.
Check Result
YES Set paper size.
YES Clean.
YES Change I/C.
YES Clean or change.
NO
Check Result
NO
YES Clean or change.
NO
YES Clean.
YES Clean or change.
YES Clean.
YES Change Control Board.
NO
T-24
Action
Change High Voltage Unit.
Change PH Unit.
Change Master Board.
Action
Change I/C.
Change I/C.
Change PH Unit.
Change Master Board.
Change Scanner.
Change Scanner.
Connect.