HP 2100 Service Manual - Page 135

Speckled Print Possible Cause Action Particles accumulate over time inside printer (Tray Separation Roller, Feed Roller, Transfer Roller, Fuser, Toner Cartridge). 1. Print at least 10 pages to see if the problem goes away. 2. Print a cleaning page. See "To Start Engine Cleaning" (page 60). Identify and clean the dirty part according to the "Repetitive Defect Ruler" (page 127). If dirt cannot be removed, replace the dirty part. 3. Check for toner leaks. Delivery Roller is dirty Clean the delivery roller. Obstruction in the paper path. Check and clear paper path. Toner Smear Possible Cause Dirt in the printer. Action 1. Print a few more pages to see if the problem corrects itself. 2. To clean the inside of the printer see "Engine Cleaning" (page 60). Dirty Fusing Rollers. Toner build-up can cause the print on a page to smear. Remove and inspect the Fuser for excessive toner build-up. Clean using alcohol. Paper might be too Check the paper (or other print media) type and smooth. quality. Defective Toner Cartridge. Replace the Toner Cartridge. (See instructions with the Toner Cartridge.) Fuser is defective. The print will smear if the Fuser is not heated sufficiently to bond the toner image to the paper. Replace the Fuser. The Static Eliminator is dirty or is not grounded, allowing a static charge to remain on the page. Clean using compressed air. Replace assembly if damaged. Engine requires cleaning See "Engine Cleaning" (page 60) Toner Cartridge requires cleaning See "Toner Cartridge Cleaning" (page 61). C4170-90959 Image Formation Troubleshooting 125