Lexmark MX511
Try one or more of the following:
Note: If no paper is loaded in the feeder, the printer manually overrides the request, and then prints from an automatically selected tray.
Lexmark MX/MXxxx, MB/B2xxx, and XM/Mxxxx: Unable to Load Paper into the Multipurpose Feeder (MPF)
242.42 Paper Jam Error on a Lexmark MS310, MS410, MS510, MS610, MX310, MX410, MX510, MX510, MX610, or MX611 Printer/MFP