Epson SureColor T3170M 24" Wireless Printer, Scanner & Copier - Manual (Page 132)

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Setting Options Description
Page Margins option Clip by Margins Subtracts the page margin value (B)
from the output size selected in the
Reduce/Enlarge settings (A). Any
print object in the margin area is
clipped and not printed.
Oversize Adds the page margin value (B)
outside the output size selected in the
Reduce/Enlarge settings (A).
Bidirectional On
Off
Select On to print in both directions,
resulting in faster print speed but
reduced accuracy