![background image](/i/dell/158138/dell-c1765nfw-c1765nf/h/dell-c1765nfw-c1765nf-346.png)
Pitched color dots
If this trouble comes out, contact Dell.
Vertical blanks
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.
The task is complete.
Contact Dell.
Is the problem recovered?
Mottle
Action
Yes
No
1
Adjust the transfer bias.
a
Launch the
Tool Box
, click
Adjust Transfer Roller
on the
Printer
Maintenance
tab.
The task is complete.
Go to action 2.
b
Adjust the setting for the type of print media being used.
Is the problem recovered?
2
If you use non-recommended print media, use the print media
recommended for the printer.
The task is complete.
Contact Dell.
Is the problem recovered?
Troubleshooting
344