White Spot - Ricoh B174 Service Documentation

TROUBLESHOOTING

White Spot

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B174T930.WMF
Is it at a regular
interval of 95 mm?
Yes
Dirt on the OPC surface
→ Clean the OPC and the
machine, or replace the
drum cartridge
When installing or removing
the drum cartridge, a scratch
was made
→ Replace the cartridge
B174
Transfer
No
voltage is normal?
Yes
Development roller defective
→ Replace the toner
cartridge
4-20
Too much voltage supplied
No due to a setting error for the
transfer voltage
→ Replace the HVPS
B174T911.WMF
SM