Canon imagePRESS Lite C270 Installation Manual page 735

4. Loosen the 2 screws of the Latch Base (Front).
If the value displayed in "Checking the Adjusted Value" was a
"+" (positive) value, move the plate in the direction of [A] and then tighten the 2 screws.
If it was a "-" (negative) value, move the plate in the direction of [B] and then tighten the 2 screws.
CAUTION:
Perform adjustment so that the total of the shift amount (scale) of the Latch Bases (Front and Rear) is within -2 to +2 mm.
2x
Screw
726
6. Paper Output Options
2x
[A] [B]