Left and right

6.35 mm (0.25 in.) for Letter, Legal, and custom paper sizes

3.175 mm (0.125 in.) for envelopes

3.37 mm (0.13 in.) for most paper sizes

Top

1.7 mm (0.067 in.)

Bottom

12.7 mm (0.5 in.) for black only print jobs

19 mm (0.75 in.) recommended for color print jobs