Canon Paper Folding Unit-J1 Service Manual page 100

Item
O3 overall length
O4, O5 oblique fold
O6 fold stacking capacity
1. Open the front cover, and then open the feed guide.
2. Draw out the folding unit.
3. Open the right folding feed guide fully and loosen the screw.
Accuracy of A zone (15-27.5 deg C, 25-75%RH)
Line length/3+1.5 ±2.0mm
Within ±1.5mm
Max 40 sheets
1x
94
5. Adjustment
Remarks
Equivalent of 80g/m2 paper.