Table 7-29. Toner Specks Possible Cause Action Contamination in printer. 1. Print a few more pages to see if the problem corrects itself. 2. Clean the inside of the printer (page 4-2) or use the printer’s cleaning page (page 4-4). Paper does not meet printer specifications or is stored improperly. 1. Print a few more pages to see if the problem corrects itself. 2. Turn over the stack of paper in the tray. Also try rotating the paper 180°. 3. Check the paper (or other print media) type and quality. Replace the paper, and advise the customer to use the recommended paper and store it properly. Alternating small and standard paper (such as envelopes and letterhead).
To alternate small and standard paper, from the Configuration Menu on the Control Panel, set SMALL PAPER SPEED=SLOW . Table 7-30. Vertical Black Lines Possible Cause Action Defective Toner Cartridge. Replace the Toner Cartridge. Contaminated Fuser Entrance Guide. Clean the Guide. Scratches on the Fuser. Replace the Fuser. Troubleshooting the Printing System 7-71