Lexmark MX310dn User Manual

Page of 269
Scanner unit does not close
Action
Yes
No
Check if there are no obstructions between the scanner unit and the
printer.
a
Lift the scanner unit.
b
Remove any obstruction that keeps the scanner unit open.
c
Lower the scanner unit.
Did the scanner unit close properly?
The problem is solved. Contact 
.
Poor copy quality
Action
Yes
No
Step 1
Check if an error or status message appears on the display.
Does an error or status message appear?
Clear the error or status
message.
Go to step 2.
Step 2
Check the quality of the original document.
Is the quality of the original document satisfactory?
Go to step 3.
Increase the scan
resolution setting for a
higher
‑quality output.
Step 3
If dark marks appear on prints, then clean the scanner glass and the ADF
glass using a clean, lint-free cloth dampened with water.
Is the scanner glass clean?
Go to step 4.
Step 4
Send a print job, and then check for print quality problems.
a
From the General Settings menu, adjust the Eco
‑Mode settings.
b
From the Copy menu, adjust the Darkness setting.
c
If the print remains faded, then replace the toner cartridge.
Is the print quality satisfactory?
Go to step 5.
Step 5
Check the placement of the document or photo.
Make sure the document or photo is loaded facedown on the scanner
glass in the upper left corner.
Is the document or photo loaded correctly?
Go to step 6.
Place the document or
photo facedown on the
scanner glass in the
upper left corner.
Troubleshooting
228