Epson Aculaser c9100 - Page 350

350 Functions of the Control Panel
Left Offset
Makes fine adjustments to the horizontal printing position of the
page. This is useful for fine adjustments.
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Caution:
Make sure that the printed image does not extend beyond the edge
of the paper. Otherwise, you may damage the printer.
T Offset B
Adjusts the vertical printing position on the back of the paper
when printing on both sides. Use this if the printout on the back
is not where you expected.
L Offset B
Adjusts the horizontal printing position on the back of the paper
when printing on both sides. Use this if the printout on the back
is not where you expected.