Print And Copy Troubleshooting; Print Quality Troubleshooting; Paper Does Not Feed - Lexmark 20D0000 - X 340 MFP B/W Laser Troubleshooting Manual

Paper or specialty media misfeeds,
skews, or multiple sheets stick
together
•
Load a smaller amount of paper into the MFP.
See the User's Guide for more information
about maximum loading amounts for each
paper type.
• Use only new, unwrinkled paper.
•
Prepare the stack of paper for loading by flexing
or fanning it back and forth. Straighten the
edges on a level surface

Paper does not feed

•
Make sure paper is loaded correctly.
•
Load a smaller amount of paper into the MFP.
Paper stacks poorly in the front
output slot
• Extend the paper stop.
• Do not let too much paper stack up in the front
output slot.
Envelopes skew or fail to feed
correctly
Insert a single envelope in the manual feeder, and
make sure the guides are against both sides of the
envelope.
Print and copy
troubleshooting
MFP does not print or respond
•
Remove and reinstall the software. For more
information, see "Removing and reinstalling the
drivers software" on page 1.
•
If you are scanning a document, wait until
scanning is complete before using the MFP.
•
Restart the computer.
• Make sure the MFP is set as the default printer.
1 Click Start  Settings  Printers and
Faxes or Printers.
or
Click Start  Control Panel  Printers
and Other Hardware  Printers and
Faxes.
2
Double–click the Lexmark X340/X340n/
X342n icon.
3
Click Printer, and make sure no check mark
appears next to Pause Printing.
4
Make sure a check mark appears next to Set
As Default.
•
Make sure the front cover is closed.
• Make sure the toner cartridge is installed
correctly. For more information, see the User's
Guide.
•
Disconnect the USB cable, and then reconnect
it.
Print speed is slow.
•
Close all applications not in use.
• Minimize the number and size of graphics and
images in the document.
• If you are using the manual feeder, this is
normal.
Print quality
troubleshooting
Light or faded print
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc
•
You may be able to temporarily extend the toner
cartridge life by shaking the toner cartridge.
•
Install a new toner cartridge. For more
information, see the User's Guide.
• Only use new, dry paper.
•
Make sure the front door is securely latched on
both sides.
•
For copies, adjust the darkness settings by
pressing Darkness from the control panel.
• For prints, adjust the darkness settings from the
control panel menu:
1
From the control panel, press Menu.
2
Press or repeatedly until MACHINE
SETUP appears.
3
Press .
4
Press or repeatedly until Toner
Dark appears.
5
Press .
6
Press or repeatedly to adjust the
darkness settings.
7
Press to save the settings.
8
Press Back repeatedly to return to the
Ready prompt.
• For prints, adjust the darkness settings from the
control panel menu:
1
From the control panel, press Menu.
2
Press or repeatedly until MACHINE
SETUP appears.
3
Press .
4
Press or repeatedly until Toner
Dark appears.
5
Press .
6
Press or repeatedly to adjust the
darkness settings.
7
Press to save the settings.
8
Press Back repeatedly to return to the
Ready prompt.