From the home screen, touch Settings > Device > Maintenance > Configuration Menu > Scanner Configuration > Scanner Manual Registration.
In the Print Quick Test menu, touch Start.
Place the Print Quick Test page on the scanner glass, and then touch Flatbed Registration.
In the Copy Quick Test menu, touch 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 Left Margin and Top Margin.
Repeat Adjusting the scan settings and step 5 until the margins of the Copy Quick Test page closely match the original document.