User guide
Table Of Contents
- Before Beginning
- Setting Up Printer (Printer Setup)
- Using Your Printer
- Print Media Guidelines
- Loading Print Media
- Operator Panel
- Printing
- Know Your Printer
- Maintaining Your Printer
- Troubleshooting
- Troubleshooting
- Basic Printer Problems
- Display Problems
- Printing Problems
- Print Quality Problems
- The output is too light
- Toner smears or print comes off/Stain on back side
- Random spots/Blurred images
- The entire output is blank
- Streaks appear on the output
- Pitched color dots
- Vertical blanks
- Mottle
- Ghosting
- Fog
- Bead-Carry-Out (BCO)
- Auger mark
- Wrinkled/Stained paper
- The top margins is incorrect
- Color registration is out of alignment
- Protrudent / Bumpy paper
- Noise
- Jam
- Other Problems
- Contacting Service
- Troubleshooting
- Appendix
- Index
![](/manual/dell/1250c-color-laser-printer/user-guide-english/images/img-149.png)
148 Troubleshooting
Mottle
Ghosting
Action Yes No
1 Clean inside the printer and performing test
print.
1
Clean inside the printer by using the cleaning
rod. See "Cleaning Inside the Printer" on
page 122.
2
Click
Print Test Page
in
Properties
of the
printer driver.
Is the problem recovered?
The task is
complete.
Contact Dell.
Action Yes No
1 Adjust the transfer bias.
1
Launch the Tool Box, click
Adjust BTR
on the
Printer Maintenance
tab.
2
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.