Samsung SCX-8030ND Series - Vertical Lines

7.Trouble
s
7.3.1 Vertical Lines
A. Typical faulty images
Step Section Check ite
m
1 LSU The surface of the LS
U
dirty.
2
Imaging unit
The surface of the OPC
B. Troubleshooting procedure
2
Imaging
unit
The
surface
of
the
OPC
scratched.
3 Contact terminals mak
e
connection between i
m
and machine.
4 Developing bias conta
c
makes good connectio
n
5 Scanner
Original is damaged or
6
Scanner glass white s
h
7
Original glass is dirty.
8
Mirror is dirty
8
Mirror
is
dirty
.
Lamp is dirty.
Reflectors are dirty.
9
Remove the lens cove
r
undoing 2 screws. Ch
e
lens surface against
contamination or foreig
Service Manual
SCX-8030/8040 series
7-1
contamination
or
foreig
s
hooting
m
Result Action
U
window is Yes Clean the LSU window.
Cdrumis
Yes
Change imaging unit
C
drum
is
Yes
Change
imaging
unit
.
e
good
m
aging unit
No Clean contact terminals.
c
t terminal
n
.
No Clean contact terminal
and check terminal
iti
pos
iti
on.
dirty. Yes Change original.
h
eet is dirty. Yes Clean or replace the pad.
Yes Wipe the surface clean
with a soft cloth.
Yes
Clean the contaminated
Yes
Clean
the
contaminated
part.
Caution
Fragile parts!
r
by
e
ck CCD
gn objects
Yes Clean the contaminated
part.
Caution
SAMSUNG ELECTRONICS
Version 0.05
11
gn
objects
.
Fragile parts!