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Adjust the deviation.
The multi-folding unit has three adjusting screws (L1, L2, and L3) to adjust deviation.
L1
L2
L3
The screws adjust the folding deviations of the following parts:
Z-fold
Half Fold
Letter Fold-in
Letter Fold-out
Double Parallel
Gate Fold
The 
mark indicates the leading edge (relative to the paper feed direction), and the 
mark indicates the trailing edge.
<How to adjust the folding deviation>
This procedure is the same for L1, L2, and L3.
Open the front cover of the multi-folding unit.
Remove the mounting screw.
If the mounting screw is attached to the adjusting screw hole, unfasten it.
Turn the adjusting screw to adjust the deviation.
To increase the length at the bottom part of paper, turn the screw clockwise.
To decrease the length at the bottom part of paper, turn the screw counterclockwise.
Attach the mounting screw to fasten the adjusting screw.
If the mounting screw is attached to the adjusting screw hole, fasten it.
Close the front cover of the multi-folding unit.
For multi-sheet folding, folding deviations of the innermost sheet will be adjusted.
If the deviation is large, the paper may be skewed. For further information, see Paper Skew.
