QMS CrownCopy User Manual page 53

4 Attach the ADF.
a Lower the ADF onto the scanner, with the two holes on the
ADF's hinge plate going onto the scanner's supporting posts.
b Move the ADF so that the scanner's supporting posts slide
into the end of narrow side of the holes, then fasten the ADF
in place with the two screws. Tighten the screws with your
fingers.
Caution: Don't place the screws in the scanner when the
ADF is not in place. This could damage the scanner head.
5 Connect the ADF cable to the scanner's option connector.
Screw
Option Connector
Supporting Posts
Screw