Lexmark 9300 Series - Manual (Page 171)

If the envelope or photo card cannot be grasped from the front and is barely visible, to remove the jam:
1 Press the button as you grasp the handle on the duplex unit.
2 Pull out the duplex unit.
3 Push down on the button on the rear access door.
4 Lower the door slightly.
5 Firmly grasp the envelope or photo card, and gently pull it out.
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