Lexmark MS811
Try one or more of the following:
Turn off the printer.
Unplug the power cord from the electrical outlet.
Remove the specified tray.
Reattach the tray.
Connect the power cord to a properly grounded electrical outlet.
Turn the printer back on.
If the error occurs again, then:
Remove the tray.
Contact customer support.
Need to control your device’s automatic tray linking? Check out the steps below to troubleshoot the issue.
Partial or Misaligned Print Output on the Lexmark MS/MX31x/41x/51x/61x/71x/81x