FrameMaker Ver.5.5(PC) Di251/Di351 TROUBLESHOOTING
05.03.01
T- 5 3
(6) Black Spots
Section Step Check Result Action
Engine
1 Paper path is dirty with toner. YES Clean.
2 PC Drum is dirty. YES Clean.
3 Fusing Rollers are dirty or scratchy. YES Clean or change.
4 Comb Electrode contact terminal is
dirty or deformed.
YES Clean or change.
5 Grid voltage contact terminal is dirty or
deformed.
YES Clean or change.
6 Charge Neutralizing Sheet contact ter-
minal is dirty or deformed.
YES Clean or change.
7 Erase Lamp is dirty. YES Clean.
8 Erase Lamp is conducting. YES Change I/C.
Change High Voltage
Unit.
Change Master Board.
NO Change Erase Lamp.
IR
1 Original Glass is dirty. YES Clean.
2 CCD2 Board and MFB2 Board are
connected properly.
NO Correct.
3 MFB2 Board and Master Board are
connected properly.
YES Change CCD Unit.
Change MFB2 Board.
NO Correct.
<Typical Faulty Images>
4011T521AA
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