Epson LX-300+II User Manual page 153

B The minimum left and right margins are 3.0 mm (0.12 inch)
each.
For single sheets the maximum paper width is 420 mm (16.5
inches).
The maximum printable width is 345.44 mm (13.6 inches). If
the paper size is substantially wider than this, the side
margins will be wider than the minimum, but the printable
width does not increase beyond 345.44 mm (13.6 inches).
C The minimum bottom margin is 4.2 mm (0.17 inch).
Continuous paper:
For LX-300+II
A The minimum top and bottom margins above and below the
perforation are 4.2 mm (0.17 inch) each.
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