Dell E310dw User Manual page 148

Black toner marks across the
page
Black lines down the page
Printed pages have toner
stains down the page
White lines down the page
Image skewed
148 Troubleshooting
• 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.
• Make sure foreign material such as a torn piece of paper, sticky notes or dust is not inside
the machine and around the toner cartridge and 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.
• Make sure the paper or other print media is loaded correctly in the paper tray and the
guides are not too tight or too loose against the paper stack.
• Set the paper guides correctly.
• The paper tray may be too full.
• Check the paper type and quality.
• Check for loose objects such as torn paper inside the machine.
• (For automatic 2-sided printing models)
If the problem only occurs during 2-sided printing, check for torn paper in the 2-sided tray,
verify the 2-sided tray is inserted completely and the back cover is closed completely.