Solution Of Image Problem; No Image; Completely Black Image; White Spots / Black Spots / Colored Spots - Samsung CLP-600 Series Service Manual

7.2 Solution of Image Problem

- No Image

- Completely Black Image

- White Spots / Black Spots / Colored Spots

Samsung Electronics
Cause
Driver Installation Problem.
Toner cartridge contacts dirty or not making
good contact or empty Toner Cartridge
(when printing a single color image)
PTB cartridge contacts dirty or not making
good contact or Faulty PTB unit
LSU cable harness plugs not fitted properly
or faulty LSU.
Toner transfer problem
Cause
OPC Drum BIAS contacts dirty or not mak-
ing good contact.
Charge Voltage of the OPC Drum is unstable.
Cause
Contamination of the internal mechanism of the
toner cartridge
OPC Drum surface contaminated or damaged.
PTB Unit belt is contaminated or damaged.
Fuser Unit is contaminated.
Sequence of Treatment
Try printing a Demo Page.
Check that the operating system driver was
installed correctly.
Check and clean the toner contacts.
Re-seat the Toner Cartridge.
Replace the Toner cartridge
Check and clean the PTB contacts.
Re-seat the PTB Unit.
Replace PTB Unit
Check the connectors on the LSU Unit and
main PWA are properly inserted.
Replace the LSU Unit, cables or MAIN PWA
as required
Check all HV contacts and cables.
Replace the HVPS.
Sequence of Treatment
Clean Drum contacts..
Replace the Toner Cartridge.
Replace the HVPS Board.
Sequence of Treatment
Replace the Toner Cartridge.
Replace the Toner Cartridge.
Replace the PTB Unit Belt.
Clean or replace the Fuser Unit.
Troubleshooting
Service Manual
7-5