Lexmark MX931
Turn off the printer.
Remove the standard tray.
Remove the tray roller kit.
Warning—Potential Damage: To prevent damage from electrostatic discharge, touch any exposed metal frame of the printer before accessing or touching interior areas of the printer.
Apply water to a soft, lint-free cloth, and then wipe the feed rollers.
Insert the roller kit until it clicks into place.
Insert the tray.
Turn on the printer.
Clean the roller kit of the 2000‑sheet tray regularly to prevent paper feed problems.
Clean the ADF roller kit regularly to prevent jams and other paper feed problems.