5 Lift the aligner jam access door, and then loosen the two screws (C).
C
6 Rotate the aligner assembly depending on the direction of the skew.
• Rotate the aligner assembly to the rear.
A
• Rotate the aligner assembly to the front.
A
Removal procedures
Keep the following tips in mind as you replace parts:
• Some removal procedures require removing cable ties. You must replace cable ties during reassembly to avoid
pinching wires, obstructing the paper path, or restricting mechanical movement.
• Remove the toner cartridges, imaging unit, and media tray before removing other printer parts. The imaging unit
should be carefully set on a clean, smooth, and flat surface. It should also be protected from light while out of the
device.
• Disconnect all external cables from the printer to prevent possible damage during service.
4021, 7421
Repair information
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