Samsung SCX-8030ND Series - Horizontal Lines

7.Trouble
s
A. T
yp
ical fault
y
ima
g
es
7.3.2 Horizontal Lines
yp y g
B. Troubleshooting procedure
Step Section Check ite
m
1 Image check
A
white line or black in
direction is sharp.
2 Imaging unit The surface of the OP
C
scratched.
3 Dirty on the outside.
4 Contact terminals mak
e
connection between e
a
unit and machine.
5 Developing bias conta
c
makes good connectio
n
6 LSU The surface of the LS
U
dirty.
7 The problem has been
through the checks of
s
8 Scanner Original is damaged or
9 DADF pad is dirty.
10
Original glass is dirty.
11
Remove lens cover by
screws. Check CCD le
n
against contamination
o
objects
Service Manual
SCX-8030/8040 series
7-1
objects
.
s
hooting
m
Result Action
main scan Yes Clean contact terminals.
C
drum is Yes Change imaging unit.
Yes Clean.
e
good
a
ch imaging
No Clean contact terminals.
c
t terminal
n
.
No Clean contact terminal
and check terminal
position
position
.
U
window is Yes Clean the LSU.
eliminated
s
teps up to 6.
No Change LSU.
dirty. Yes Change original.
Yes Clean or replace the pad.
Yes Wipe the surface clean
with a soft cloth.
undoing 2
n
s surface
o
r foreign
Yes Clean the contaminated
part.
Caution
SAMSUNG ELECTRONICS
Version 0.05
12
Fragile parts!