Dell 1815dn Service Manual - Page 108

Troubleshooting 7.3.11 Ghost (3) • Description White ghost occurs in the black image printing at 35.2 mm intervals. DDiiggiittaall PPrriinntteerr DDiiggiittaall PPrriinntteerr DDiiggiittaall PPrriinntteerr 35.2 mm Check and Cause 1. The life of the developer may be expired. 2. The abnormal voltage and bad contact of the terminal of the supply roller Solution 1. Problem in the toner cartridge, replace the toner cartridge and try to print out. 2. Check the approved voltage of the supply roller and contact of the terminal and adjust if necessary. 7.3.12 Ghost (4) • Description Ghost occurs at 77.8 mm intervals. DDiiggiittaall PPrriinntteerr DDiiggiittaall PPrriinntteerr DDiiggiittaall PPrriinntteerr 77.8 mm Check and Cause The temperature of the fuser is maintained high. Solution 1. Disassemble the fuser and remove the contaminated toner particles on the roller and clean the foreign matter between Thermistor and Heat roller. ( Caution: can be deformed) 7.3.13 Stains on the front of the page • Description The background on the face of the printed page is stained. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause 1. Toner leakage due to improperly sealed developer. Solution 1. Replace the toner cartridge. 2. If the transfer roller is contaminated, stains on the face of page will occur. 2. If the transfer roller is contaminated, run PC Cleaning Mode Print 2 or 3 times. And perform Self-T est 2 or 3 times to remove contamination. Service Manual 7-15