Epson ColorWorks C3400-LT Technical Reference Guide - Page 195

Die-cut Label Backing paper width Appendix Gap between Label length labels Edge R Edge cutoff Label width Backing paper Label area Edge cutoff Paper type Form Backing paper width Label width Label length Gap between labels Edge cutoff on left/right side Label edge R Paper thickness Roll paper core External diameter Winding direction Plain Media Label Roll paper 30 to 112 mm 25.4 to 108 mm 25.4 to 1117.6 mm (To use a label with a label length of 25.4 mm or less, see descriptions for Black Mark Die-cut Label.) 3 to 6 mm 2  0.5 mm 2 mm or less 0.128 mm Outside diameter: 44.1 mm Maximum 101.6 mm Printing face must be facing outside. Do not use the paper with a hole or cutout. 195