From the control panel, navigate to:
Settings > Device > Maintenance > Configuration Menu > Scanner Configuration > Scanner Manual Registration
For non-touch-screen printer models, press 
to navigate through the settings.
From the Print Quick Test menu, select Start.
Place the Print Quick Test page on the ADF tray.
Select Front ADF Registration or Rear ADF Registration.
Notes:
- To align Front ADF Registration, place the test page faceup, short edge first into the ADF.
- To align Rear ADF Registration, place the test page facedown, short edge first into the ADF.
From the Copy Quick Test menu, select Start.
Compare the Copy Quick Test page with the original document.
Note: If the margins of the test page are different from the original document, then adjust Horizontal Adjust and Top Margin.
Repeat step 5 and step 6 until the margins of the Copy Quick Test page closely match the original document.