Service manual

Troubleshooting
4-22
Samsung Electronics
Transfer roller might be out of its location
-> Locate the roller into its place
This could occurs when he power of LSU is low or
the density is low due to the obstacles on the window
-> Replace LSU or clean the window
A
Transfer
voltage OK? (on the
transfer roller
shaft)
Are the
connection terminal
and connection
correct?
Repair or replace terminal
Replace HVPS or repair defective component
Is the connection
terminal OK?
Replace HVPS or repair
defective component
Repair or replace terminal
Developing
(-440V) and supplying
(-590V) voltage
are OK?
Does the
counter indicate over
the toner's guaranty
life
Replace the toner cartridge
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES