Samsung CLX-9252 Series Service Manual page 428

Step
5 Stain or damage of the ITB drive roller.
6 Is the ITB belt edge damaged or stained?
7 Peeling of the ITB cleaning blade
(Large driving load)
8 Is the ITB unit installed normally?
9 Check if the couplings of the ITB unit and
are defective.
10 Check the Cross Hatch pattern. Are the l
primary scanning direction bent?
11 Check the connection of the high voltage
terminal of the 1st or 2nd transfer rollers.
12 12 Perform OPC ACR Perform OPC-ACR.
Service Manual
7. Troubles shooting
Check item
?
d main unit
ines of the
e supply
7-1 31
Action
Replace the transfer belt.
Clean or replace the transfer belt.
Replace the transfer belt.
Check and reseat transfer belt unit
correctly. Check fixing screws and
tighten up properly.
1. If the coupling of the transfer unit is
defective, replace the transfer belt.
2 If the coupling of the main unit is 2. If the coupling of the main unit is
defective, replace the main drive unit.
Replace the laser scanning unit(LSU).
Replace the HVPS board.
After finishing service, please perform After finishing service please perform
OPC-ACR and recheck again.
SAMSUNG ELECTRONICS