Lexmark MS310d Quick Refence Manual page 26

4
Place the imaging unit aside on a flat, smooth surface.
Warning—Potential Damage: Do not expose the imaging unit to direct light for more than 10 minutes.
Extended exposure to light can cause print quality problems.
5
Lift the green flap in front of the printer.
6
Firmly grasp the jammed paper on each side, and then gently pull it out.
Note: Make sure all paper fragments are removed.
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