Service Manual
Troubleshooting
6-14
Samsung Electronics
Barkground
Recommended
paper used?
Transfer,
charge and developing
voltage are OK?
Operating/
storage atmosphere is
too high temperature
/humidity?
Solve the problem under
the recommended condition
(10-32 degree Centigrade)
Dirty or
dust around the
charge roller?
Clean the charge roller
or replace step-up device
/terminal after check
Work OK?
Internal blade or supplying
part of the toner cartridge
is defective
-> Replace the toner
cartridge
Check Terminals or contacts and "transfer roller springs"
are misplaced
-> Repair or replace transfer roller etc.
Check if the LED of PTL in front of the transfer roller
is on when it presses the top cover switch on purpose
-> If not, replace PTL
Print 20 to 30 pages using
the recommended paper
Same problem
occurs?
- Adjust voltage or
replace HVPS
- Repair or replace
after
checking the
terminals' contacts
END
Replace the
toner cartridge
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer