Epson TM-C3500 Series Technical Reference Manual page 234

Wristband/roll paper (WB-L series)
When "Borderless Printing" is disabled
Top, bottom, left. right margins:
 Do not print inside or within 2 mm {0.08"} around the snap button mounting hole to pre-
 If using the WB-S/M/L series, use the attachment (OT-WA34).
234
1.5 mm (Typical value)
Paper width
36 mm
15.0 mm
28.0 mm
24.0 mm
1.5 mm
vent damage to the mechanical functions.
Paper feeding direction
Center of paper width
5.5 mm
Autocutting position
Recommended print area for
text and barcodes (*dimension)
2.0 mm
Autocutting position
Print area
Paper