Lexmark CX942
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.