Lexmark MS621
Remove paper from the multipurpose feeder.
Remove the jammed paper.
Note: Make sure that all paper fragments are removed.
Flex, fan, and align the paper edges before loading.
Reload paper, and then adjust the paper guide.
Adjusting the guides when loading paper and specialty media on the multipurpose feeder can result in trouble‑free printing.
Multipurpose Feeder Noise for Lexmark B/MB3442, B/MB2650, B/MB2546, B/MB2442