Lexmark T420 Printer User Manual


 
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Part or all of the page is printed in
black.
Check the print cartridge to see if it is installed correctly. See
Replacing the print cartridge for more information.
Toner fog or background shading
appears on the page.
Check the print cartridge to make sure it is installed correctly.
See Replacing the print cartridge for more information.
Change the print cartridge. See Replacing the print
cartridge for more information.
Unexpected characters print or
characters are missing.
Make sure you are using the correct printer driver.
Turn the printer off and on.
Make sure the parallel, USB, or Ethernet cable is firmly
plugged into its corresponding connector on the back of the
printer.
Access the menus by following the instructions on the Printer
Settings Configuration sheet:
–Select Hex Trace mode to determine what the problem is. For
more information, see Printing the Printer Settings
Configuration sheet and Using Hex Trace mode.
–Select Restore Factory Defaults. For more information, see
Printing the Printer Settings Configuration sheet and
Restoring factory defaults.
Problem Solution