Full-page Label Backing paper width Edge cutoff Edge cutoff Backing paper Label area Do not use the paper with a hole or cutout. 140 Label width Paper type Plain Media Label, Fine Media Label, Synthetic Media Label Form Roll paper Backing paper width 30 to 112 mm {1.18 to 4.41"} Label width 25.4 to 108 mm {1.0 to 4.25"} Edge cutoff on left/right side 2 0.5 mm {0.079 0.020"} Paper thickness 0.128 to 0.195 mm {0.0050 to 0.008"} Roll paper core Outside diameter: 44.1 mm {1.74"} External diameter Maximum 101.6 mm {4.0"} Winding direction Printing face must be facing outside.