Lexmark MS315 Service Manual page 227

6
Remove the duplex. See
7
Use a small flat-head screwdriver to block the roller (A) and prevent the shaft from rotating.
8
While blocking the roller, remove the screw (B).
9
Pull out the ACM clutch, and leave it hanging.
"Duplex removal" on page
B
Repair information
218.
A
227
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