Epson SureColor T3170M User Manual page 175

Setting
Page Margins option
Options Description
Clip By Margins Adds the page margin value (B) inside the
hard clip area of the PS command of the data,
or the size selected for the Base Output Size
(A). Any print object in the margin area is
clipped and not printed.
Oversize Adds the page margin value (B) outside the
hard clip area of the PS command of the data
(when Auto is selected) (A)
Adds the page margin value (B) outside the
size selected for the Base Output Size (when
set to a standard size) (A)
175