Epson C7500GE Technical Reference Guide - Page 210

When "Borderless Printing" is enabled Vertical margins: 0 mm (Typical value) Lateral margins: 0 mm (Typical value) Perforated line Auto-cut position Paper width 0.5 to 1 mm { 0.02 to 0.04" } 1.5 mm {0.06"} Paper feeding direction 28.4 mm {1.12"} or more Auto-cut position Auto-cut position 1.5 mm {0.06"} Outer edge (Removed) 2.0 mm { 0.08" } Print area width Print area Label area Paper Outer edge Black mark position (Removed) 2.0 mm { 0.08"}  If you enabled "Extend Printable Area", printing is done with settings for no margins, but the printing might protrude beyond the paper/ label, depending on the actual print position and the set position for the paper/ label. To make sure printing doesn't protrude out, ensure margins of 1.5 mm {0.06"} or more in the print data.  The distance from the paper cut position to the black mark leading edge must be at least 1.5 mm {0.06"}. If it is less than 1.5 mm {0.06"}, the printer may be unable to print pages because it fails to sense their black marks or skips them, etc. 210