The following hints can help you avoid jams:
Use only recommended paper or specialty media. For more information, see Supported paper sizes, types, weights, and capacities.
Do not load too much paper. Make sure the stack height does not exceed the indicated maximum height.
Do not load wrinkled, creased, damp, bent, or curled paper.
Flex, fan, and straighten paper before loading it.
Do not use paper that has been cut or trimmed by hand.
Do not mix paper sizes, weights, or types in the same stack.
Do not feed envelopes that:
Have excessive curl or twist
Have windows, holes, perforations, cutouts, or embossing
Have metal clasps, string ties, or folding bars
Have an interlocking design
Have postage stamps attached
Have any exposed adhesive when the flap is in the sealed or closed position
Have bent corners
Have rough, cockle, or laid finishes
Are stuck together or damaged in any way
Store the paper in an appropriate environment.
Do not remove trays while the printer is printing.
Do not load the multipurpose feeder while the printer is printing. Load the multipurpose feeder prior to printing, or wait for a prompt to load it.
Push all trays in firmly after loading paper.
Make sure the guides in the trays are properly positioned and are not pressing too tightly against the paper.
Make sure all sizes and types are set correctly in the printer control panel menu.
Make sure all printer cables are attached correctly. For more information, see the setup documentation.