Samsung SCX-8030ND Series - Page 415

7.Trouble
s
A. T
yp
ical fault
y
ima
g
es
7.3.11 Uneven density in main scan
d
yp y g
AaB
AaB
Aa
B
Aa
B
AaB
AaB
AaB
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 do
e
come of during the press
u
o
p
eration of the transfer r
p
5 The problem has been
eliminated through the ch
steps up to 4.
Service Manual
SCX-8030/8040 series
7-1
s
hooting
d
irection (Vertical Band)
bCc
bCc
b
Cc
b
Cc
bCc
bCc
bCc
Result Action
d
rum is Yes Change imaging unit.
Yes Clean.
w
indow Yes Clean.
e
s not
u
re
oller.
No Correct.
Change transfer roller unit.
ecks of
No Change imaging unit.
 Change LSU.
 Change HVPS board.
SAMSUNG ELECTRONICS
Version 0.05
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