Lexmark CS510de - Toner rubs off; Toner specks appear on prints; Uneven print density

Toner rubs off
Leading edge
Trailing edge
ABC
DEF
Action Yes No
Step 1
From the Paper menu on the printer control panel, check the paper type,
texture, and weight.
Do the paper type, texture, and weight match the paper loaded in the
tray?
Go to step 2. Specify the paper type,
texture, and weight
from the tray settings
to match the paper
loaded in the tray.
Step 2
Resend the print job.
Does the toner still rub off?
Contact
customer
support.
The problem is solved.
Toner specks appear on prints
Action Yes No
Replace the imaging kit, and then resend the print job.
Do toner specks appear on prints?
Contact
customer
support.
The problem is solved.
Uneven print density
Action Yes No
Replace the imaging kit, and then resend the print job.
Is the print density uneven?
Contact
customer
support.
The problem is solved.
Troubleshooting 209