FrameMaker Ver.5.5(PC) Di251/Di351 TROUBLESHOOTING
05.03.01
T- 5 1
(4) Foggy Background
Section Step Check Result Action
—
1 Sunlight or any other extraneous light
enters the copier.
YES Protect the copier from
extraneous light.
Engine
1 PC Drum is dirty. YES Clean.
2 Comb Electrode contact terminal is
dirty or deformed.
YES Clean or change.
3 Grid voltage contact terminal is dirty or
deformed.
YES Clean or change.
4 Charge Neutralizing Sheet contact ter-
minal is dirty or deformed.
YES Clean or change.
5 Erase Lamp is dirty. YES Clean.
6 Erase Lamp is conducting. NO Change Erase Lamp.
7 Select functions in the following order:
Tech. Rep. Mode
→ Tech. Rep. Choice
→ Printer. The image problem is cor-
rected when the “Image Density” value
is changed toward the minus side.
YES Make setting again.
8 Select functions in the following order:
Tech. Rep. Mode
→ Tech. Rep. Choice
→ Printer. The image problem is cor-
rected when the “VG Adjust” value is
changed toward the minus side.
YES Make setting again.
NO Change I/C.
Change PH Assy.
Change High Voltage
Unit.
Change Master Board.
IR
1 Mirror, lens, and/or Original Glass are
dirty.
YES Clean.
2 Exposure Lamp is dirty or deteriorated. YES Clean or change.
3 CCD2 Board and MFB2 Board are
connected properly.
NO Correct.
4 MFB2 Board and Master Board are
connected properly.
YES Change CCD Unit.
Change MFB2 Board.
NO Correct.
<Typical Faulty Images>
4011T519AA 4011T538AA
When engine is faulty. When IR is faulty.
To Next Page
Loading...
