344 Troubleshooting
Pitched color dots
If this trouble comes out, contact Dell.
Vertical blanks
Mottle
Action Yes No
1 Clean inside the printer and performing test print.
a
Clean inside the printer by using the cleaning rod. See "Cleaning
Inside the Printer" on page 313.
b
Click
Print Test Page
in
Printer properties
of the printer driver.
Is the problem recovered?
The task is complete. Contact Dell.
Action Yes No
1 Adjust the transfer bias.
a
Launch the
Tool Box
, click
Adjust Transfer Roller
on the
Printer
Maintenance
tab.
b
Adjust the setting for the type of print media being used.
Is the problem recovered?
The task is complete. Go to action 2.
2 If you use non-recommended print media, use the print media
recommended for the printer.
Is the problem recovered?
The task is complete. Contact Dell.
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