Lexmark CX510DE Printer User Manual


 
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
customer
support.
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
higherquality 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. See
“Cleaning the
scanner glass” on
page 215.
Step 4
Send a print job, and then check for print quality problems.
a From the General Settings menu, adjust the EcoMode 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. See
“Print quality
problems” on
page 287.
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 309