Epson TM-T88 Series Technical Reference Manual page 87

Appendix
Printing side
• No preprint in the area shown below
Prohibited preprint area
Paper feed direction
5.0 {0.20"} 15.0 {0.59"}
Paper width 57.5 ± 0.5 mm {2.26 ± 0.02"} or
79.5 ± 0.5 mm {3.13 ± 0.02"}
Units: mm
Front (printing side)
87