Users Guide

146 Troubleshooting
Toner specks
• Clean the corona wire on the drum unit.
• 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.
Hollow print
• Select Thick Paper mode in the printer driver or use thinner paper than you are currently
using.
• Select Thick Paper in the machine's Media Type menu setting.
• Check the machine's environment. Conditions such as high humidity can cause hollow
print.
• The drum unit may be damaged.
Replace the drum unit with a new drum unit.
All black
• Clean the corona wire inside the drum unit by sliding the tab.
Make sure you return the tab to the home position (p).
• The drum unit may be damaged.
Replace the drum unit with a new drum unit.
White lines across the page
• Select the appropriate media type in the printer driver.
• Select the appropriate media type in the menu setting.
• The problem may disappear by itself. Print multiple blank pages to clear this problem,
especially if the machine has not been used for a long time.
• Clean the drum unit.
• The drum unit may be damaged.
Replace the drum unit with a new drum unit.