Dell E310dw User Manual page 147

Lines across the page
White lines, bands or ribbing
across the page
White Spots on black text
and graphics at 3.7 in. (94
mm) intervals
Black spots at 3.7 in. (94 mm)
intervals
• Clean the corona wire inside the drum unit.
• Clean the drum unit.
• The drum unit may be damaged.
Replace the drum unit with a new drum unit.
• Check the machine's environment. Conditions such as high humidity and high
temperatures may cause this print quality problem.
• Clean the drum unit.
• If the problem is not solved after printing a few pages, replace the drum unit with a new
drum unit.
• 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.
Troubleshooting 147