Dell B5460DN Transparency print quality is poor, Toner specks appear on prints, Toner fog or background shading appears on prints

Transparency print quality is poor
Action Yes No
Step 1
From the printer control panel, set the paper type in the Paper menu to
match the paper loaded in the tray.
Is the paper type for the tray set to Transparency?
Go to step 2. Set the paper type to
Transparency.
Step 2
aCheck if you are using a recommended type of transparency.
bResend the print job.
Is the print quality still poor?
Contact technical
support.
The problem is solved .
Toner specks appear on prints
Action Yes No
Replace the imaging unit, and then resend the print job.
Do toner specks appear on prints?
Contact technical
support.
The problem is solved .
Toner fog or background shading appears on prints
ABCDE
ABCDE
ABCDE
Action Yes No
Step 1
aReinstall the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
Warning—Potential Damage: Do not expose the i maging unit to
direct light for more than 10 minutes. Extended exposure to
light may cause print quality problems.
2Install the imaging unit, and then the cartridge.
bResend the print job.
Did the toner fog or background shading disappear from the prints?
The problem is solved. Go to step 2.
Troubleshooting 219