Paper Alignment; Standards And Approvals - Epson LX-300+ User Manual

A The minimum top and bottom margins are 4.2 mm
(0.17 inch).
B The minimum left margin is 3.0 mm (0.12 inch).
The minimum right margin is 3.0 mm (0.12 inch).
The maximum printable width is 203.2mm (8.0 inches).

Paper alignment

Printing starts at "0" on the scale. The unprintable area is to the
left of the "0."

Standards and approvals

U. S. model:
Safety
EMC
UL1950
CSA C22.2 No. 950
FCC Part 15 Subpart B Class B
CSA C108.8 class B
121