Dell E515dw User Manual page 296

White Spots on black text and
graphics at 3.7 in. (94 mm)
intervals
Black spots at 3.7 in. (94 mm)
intervals
Black toner marks across the page
Black lines down the page Printed
pages have toner stains down the
page
296 Troubleshooting
• Make 10-15 copies of a blank, white sheet of paper. If the problem is not solved
after printing the blank pages, the drum unit may have foreign material, such as
glue from a label, stuck on the drum. Clean the drum unit.
• The drum unit may be damaged.
Replace the drum unit with a new drum unit.
• If you use label sheets for laser printers, the glue from the sheets may sometimes
stick to the drum surface. Clean the drum unit.
• If you used paper that has clips or staples, the drum unit may be damaged.
• If the unpacked drum unit is in direct sunlight (or room light for long periods of
time), the unit may be damaged.
• Clean the drum unit.
• The toner cartridge may be damaged.
Replace the toner cartridge with a new toner cartridge.
• The drum unit may be damaged.
Replace the drum unit with a new drum unit.
• Clean the corona wire inside the drum unit by sliding the tab.
Make sure you return the tab to the home position (p).
• The toner cartridge may be damaged.
Replace the toner cartridge with a new toner cartridge.
• The drum unit may be damaged.
Replace the drum unit with a new drum unit.
• The fusing unit may be contaminated.
Contact Dell Customer Service.