Lexmark 10G1664 - T 634dtnf B/W Laser Printer Service Manual page 180

4060-xxx
4.
Disconnect the AC fuser lamp cable (A) from the top left side of the fuser cover.
5.
Remove the two screws (C) from the right side fuser lamp contact cover.
6.
Release the latch (D) and remove the cover.
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Service Manual
A
D C(202)