Dell 2355DN Service Manual page 92

White Spot
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Is it regular
interval of 94.3mm?
YES
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
Service Manual
Alignment and Troubleshooting
NO Transfer
voltage is normal?
YES
D/R in the toner cartridge
unit has the defect
-> Replace the toner cartridge
4-52
Too high voltage supplied
NO
due to the setting error of
transfer voltage
-> Adjust/replace HVPS