Samsung MultiXpress X740x Series User Manual page 241

Clearing paper jams
4 Remove the jammed paper from the machine.
5 Insert tray 3 or 4 back into the machine until it locks into place. Printing
automatically resumes.
7
Paper jam in the multi-purpose tray
1 If the paper is not feeding properly, pull the paper out of the machine.
2 Open and close the front door to resume printing.
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10. Troubleshooting