Troubleshooting
4-14
Samsung Electronics
Transfer roller might be out of its location
-> Locate the roller into its place
This could occurrs 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
Trnasfer
voltage OK? (on the
transfer roller
shaft)
Is the
connection of
OPC GND and Frame Ground
correct? (less than
10 ‰)
Are the
connection terminal
and connection
correct?
Repair or replace terminal
Replace HVPS or repair defective component
Is the connection
terminal OK?
Check the connection of
frame Ground and OPC GND
Replace HVPS or repair defective component
Repair or replace terminal
Developing
(-350V) and supplying
(-550V) voltage
are OK?
Does the
counter indicate over
the toner’s guarranty
life
Replace the toner cartridge
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
