Epson C7500G Technical Reference Guide - Page 203

Die-cut label(Black mark) / Fanfold paper When "Borderless Printing" is disabled Vertical margins: 1.5 mm {0.06"} (Typical value) Lateral margins: 1.5 mm {0.06"} (Typical value) Perforated line Auto-cut position Paper width 0.5 to 1 mm { 0.02 to 0.04"} 1.5 to 3.0 mm {0.06 to 0.12" } 1.5 mm {0.06" } Appendix Paper feeding direction 22.4 mm {0.88" } or more 25.4 mm {1.0" } or more 28.4 mm {1.12" } or more Issuing pitch (Ph) Interval of perforated lines (Pm) Auto-cut position 1.5 mm {0.06" } 1.5 to 3.0 mm {0.06 to 0.12" } Perforated line Auto-cut position 1.5 to 3.0 mm { 0.06 to 0.12"} 1.5 mm {0.06" } Outer edge (Removed) 2.0 mm { 0.08" } Print area width 1.5 mm {0.06" } Outer edge (Removed) 2.0 mm { 0.08" } Print area Label area Paper Black mark position  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.  The relation between the issuing pitch (Pm) and the interval of perforated lines (Ph) is as follow:  Pm = Ph x integral multiple. 203