Epson ColorWorks C7500 Technical Reference Guide - Page 201

Full-page label (Black mark/ No Black Mark) Backing paper width Appendix Edge cutoff Label width Edge cutoff Backing paper Label area Media type Plain label / Matte label / Synthetic label / Glossy label Media source Roll paper Backing paper width 50 to 112 mm {1.97 to 4.41"} Label width 46 to 108 mm {1.81 to 4.25"} Right and left outer edges 2  0.5 mm {0.08  0.020"} Black mark width * 28 mm {1.10"} or more from paper edge Black mark length * 5 mm {0.20"} or more Gaps between black marks * 28.4 to 603 mm {1.12 to 23.74"} Paper thickness Plain label/ matte label/ synthetic label: 0.129 to 0.236 mm {0.005 to 0.009"} (reference values) Glossy label: 0.167 to 0.182 mm {0.007 to 0.007"} (reference values) Paper core Internal diameter: 76.2  0.5 mm {3  0.020"} External diameter: 82.2 mm {3.24"} or more External diameter Maximum 203.2 mm {8"} Winding direction Printing face must be facing outside. * The paper with black mark  Do not use the paper with a hole or cutout.  To prevent glue from sticking to the roll paper supply unit, use label paper whose outer edges are removed only on the right and left. 201