Lexmark CX310 Service Manual page 286

4
Remove the three screws (F) from the duplex reference guide, and remove the guide.
Installation notes:
a
Align the duplex reference guide so that the tabs are inserted into the slots, and the top of the reference guide
fits under the door ribs.
b
Replace the three screws in the duplex reference guide.
c
Be sure that the shaft and bearing have not shifted out of the guide. If they have, then make sure that the
bearing on the left is aligned with the slot (G) facing down (towards the front door).
Note: Improperly aligned bearings or seated shafts may cause vibration and noise in the front door.
Repair information
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