Dell 2355DN Service Manual - Page 87

Alignment and Troubleshooting Barkground Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Recommended NO paper used? YES Print 20 to 30 pages using the recommended paper - Adjust voltage or replace HVPS - Repair or replace after checking the terminals' contacts NO Transfer, charge and developing YES Same problem NO END voltage are OK? occurs? YES Operating/ Dirty or storage atmosphere is NO dust around the NO too high temperature charge roller? /humidity? YES YES Replace the toner cartridge Solve the problem under the recommended condition (10-32 degree Centigrade) Clean the charge roller or replace step-up device /terminal after check Check Terminals or contacts and "transfer roller springs" are misplaced NO -> Repair or replace transfer roller etc. Work OK? YES Internal blade or supplying part of the toner cartridge is defective -> Replace the toner cartridge 4-47 Service Manual