Canon NP6412 Service Manual page 463

3) Press the Copy Start key to make a copy.
4) Check to make sure that the difference between L1 and L2 on the copy is 1.8 mm (standard) or
less.
5) If the difference is not as specified, turn the adjusting screw found to the side of the left hinge
unit to make adjustments.
Relationship between Adjusting Screw and L1/L2
L1
Direction of turn
Clockwise
Counterclockwise
CHAPTER 2 STANDARDS AND ADJUSTMENTS
L2
280mm
Copy image
L1-L2=0±1.8mm
Figure 2-44
Adjusting screw
Figure 2-45
Relationship between L1 and L2
L1 > L2
L1 < L2
Table 2-3
2-27