Lexmark MX310
Try one or more of the following:
Note: If the printer finds a tray that has the correct size and type of paper, then it feeds from that tray. If the printer cannot find a tray that has the correct size and type of paper, then it prints from the default paper source.
242.42 Paper Jam Error on a Lexmark MS310, MS410, MS510, MS610, MX310, MX410, MX510, MX510, MX610, or MX611 Printer/MFP
Here are steps to troubleshoot a 200.03 paper jam on a Lexmark MS/MXx1x series printer.