Canon DP-V3120 Service Manual page 66

[Note on assembly 1]
When assembling the Assy Cover Rear,
Install a screw in order of a yellow number.
5
Order 2 Order 2
6 6
7
8
Order 1
1
12 13
Order 4 (bottom)
Page 13
2 3
17 17
15 16
14
4
Order 3
9 9
10
11