7.Troubles
A. Typical faulty images
7.3.11 Uneven density in main scan d
yp
y
g
Aa
B
Aa
B
Aa
B
Aa
B
Aa
B
Aa
B
Aa
B
B. Troubleshooting procedure
Step
Section
Check item
1
Imaging unit
The surface of the OPC d
scratched.
2
Dirty on the outside.
3
LSU
The surface of the LSU w
is dirty.
4
Transfer roller
Check that the spring doe
come of during the pressu
operation of the transfer r
p
5
The problem has been
eliminated through the ch
steps up to 4.
Service Manual
7-1
shooting
direction (Vertical Band)
b
Cc
b
Cc
b
Cc
b
Cc
b
Cc
b
Cc
b
Cc
Result
Action
drum is
Yes
Change imaging unit.
Yes
Clean.
window Yes
Clean.
es not
ure
oller.
No
Correct.
Change transfer roller unit.
ecks of
No
Change imaging unit.
Change LSU.
Change HVPS board.
SAMSUNG ELECTRONICS
22
Содержание SCX-82x0 series
Страница 13: ...10 2 Abbreviations 10 4 ...
Страница 112: ...2 Product Description SAMSUNG ELECTRONICS Service Manual 2 94 ...
Страница 378: ...8 System 8 1 Engine 1 8 System Diagram 8 1 Engine 1 Service Manual 8 Diagram SAMSUNG ELECTRONICS 1 ...
Страница 379: ...8 System 8 2 Engine 2 8 2 Engine 2 Service Manual 8 Diagram SAMSUNG ELECTRONICS 2 ...
Страница 380: ...8 System 8 3 Engine 3 8 3 Engine 3 Service Manual 8 Diagram SAMSUNG ELECTRONICS 3 ...
Страница 381: ...8 System 8 4 Scan DADF 8 4 Scan DADF Service Manual 8 Diagram SAMSUNG ELECTRONICS 4 ...
Страница 382: ...8 System 8 5 Heater Fuse 8 5 Heater Fuse Service Manual 8 Diagram SAMSUNG ELECTRONICS 5 ...