Canon iR C3380 series Service Manual page 80

Chapter 2
B: In the case that the card reader is attached to the host machine
3) Set the cut-offs [2] of the support plate on the Document Tray [1] with the stepped screws [3].
2-24
[1]
F-2-77
[1]
F-2-78
[3] [1]
[2] [2]
F-2-79