Troubleshooting
Service Manual
6-19
Samsung Electronics
White Spot
Is it regular
interval of 94.3mm?
Obstacles stuck on OPC's
surface
-> Clean the OPC and
machine or replace
toner cartridge
When putting in/out the
drum cartridge, scratch is made
-> Replace the drum cartridge
Transfer
voltage is normal?
D/R in the toner cartridge
unit has the defect
-> Replace the toner cartridge
Too high voltage supplied
due to the setting error of
transfer voltage
-> Adjust/replace HVPS
NO
NO
YES
YES
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer