- Undock the stacker from the upstream unit. Release the stand.
 - Detach the cross-shaped bracket of the docking bracket and rotate it 90 degrees. Re-fasten the screw. (
x1)
 - Loosen the screws on the docking bracket and slide the bracket to adjust the registration, and then secure the screws. (
x4)
 - Dock the stacker to the docking bracket and check the registration. If the skew is 1 or more division, do the adjustment procedure again.
 - If there is no problem, dock the stacker to the upstream unit. Secure the stand.