554. TroubleshootingTips for avoiding paper jamsBy selecting the correct media types, most paper jams can be avoided. To avoid paper jams, refer to the following guidelines:• Ensure that the adjustable guides are positioned correctly (see "Tray overview" on page 26).• Do not overload the tray. Ensure that the paper level is below the paper capacity mark on the inside of the tray.• Do not remove paper from the tray while your machine is printing.• Flex, fan, and straighten paper before loading.• Do not use creased, damp, or highly curled paper.• Do not mix paper types in a tray.• Use only recommended print media (see "Print media specifications" on page 68).