Samsung CLX-9252 Series Service Manual page 444

7.3.14 Void areas, white spots
A. Typical faulty images yp
B. Troubleshooting procedure
Step
1 There are void areas at the front side or h
density section.
2 There is void area at the rear side section
3 The surface of the OPC drum is scratched
4 Dirty on the outside.
5 Foreign matter or caked toner in the toner
cartridge.
6 Transfer belt is dirty or scratched.
7 7 Transfer roller is dirty or scratched Transfer roller is dirty or scratched.
8 There is foreign matter on paper path.
9 Pre-image transfer guide plate is damage
dirty.
Service Manual
y g
Check item
7. Troubles shooting
high 1. Change paper to one just
unwrapped from its package.
2. Service mode → TR Control Mode → T2
n.
Control Mode → Select the paper
information (Paper Group, Paper Side,
Paper Direction) → Adjust T2 PWM value
down.
d. Change imaging unit.
Clean.
r Remove foreign matter.
Clean dirty belt with a soft cloth. Change
transfer belt unit if belt is damaged.
Change 2 Change 2
Remove foreign matter.
ed or Clean or change.
7-1 47
Action
g g g
nd nd
image transfer roller unit. image transfer roller unit
SAMSUNG ELECTRONICS