Samsung SCX 6322DN - B/W Laser - All-in-One Service Manual page 92

Ghost
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Replace PTL NO
assembly
Check HVPS
contacts and
HVPS's self-
NO
output
-> If failed,
repair/replace
HVPS
Samsung Electronics
Is it regular NO
interval of 94.3mm?
YES
PTL lamp
works OK?
YES
Transfer
voltage is set to
standard?
YES
Bias voltage NO
is OK? (-450V)
YES
NO
Operating/storage
temperature is too low or
not recommended
paper used?
YES
Use the machine with
recommended paper and
at condition
Is it regular
NO
interval of 54.3mm?
YES
A specific part of the transfer
roller has ruined or its
resistance value is changed
-> Replace transfer roller
Transfer roller cannot force
regularly due to the gears
eccentricity of transfer roller
-> Replace the defective
component
Developing
NO
/supplying voltage
normal? (-450V/
-600V)
YES
Irregularity of NIP
between rollers in
toner cartridge
-> Replace toner cartridge
Adjust the Bias voltage
or replace HVPS
There may be a problem in toner
layer control in toner cartridge
-> Replace the toner cartridge
Troubleshooting
Is it regular
interval of 56.6mm?
(as transfer roller
interval)
YES
- Repair or replace HVPS
- Check and Repair or
replace the terminal
contacts
Service Manual
6-15