Lexmark T420 Printer User Manual


 
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Solving option problems
Problem Solution
Option does not operate correctly
after it is installed, or it quits working.
Turn the printer power off, wait for about 10 seconds, and turn
the printer power on. If this does not fix the problem, unplug
the printer and check the connection between the drawer and
printer.
Make sure the option is installed and selected in the printer
driver you are using.
For Macintosh users: Make sure the printer is set up in
Chooser.
Optional drawer: Make sure the connection between the
optional drawer and the printer is secure. Refer to the
Setup Guide.
Make sure the print media is loaded correctly. See Loading
trays for more information.
Optional flash memory card: Make sure the flash memory
card is securely connected to the printer system board.
Optional printer memory card: Make sure the printer
memory card is securely connected to the printer system
board.