Epson TM-C3400 Technical Reference Manual page 32

Black Mark Receipt
<Back side>
Center of black marks
Center of paper width
Paper feeding
direction
Perforation position
0.5 mm or more
(When using fanfold
paper)
Paper type
Form
Paper width
Black mark width
Black mark length
Black mark centering position
Black mark interval
Paper thickness
Roll paper core
External diameter
Winding direction
Do not use the paper with a hole or cutout.
32
Black mark width
Plain Media, Fine Media, PET Film
Roll paper
30 to 108 mm
13 mm or more
9 mm or more
8.5 ± 1 mm
15 mm or more
0.085 to 0.151 mm
Outside diameter: 44.1 mm
Maximum 101.6 mm
Printing face must be facing outside.
<Printing side>
Center of paper
width
Paper feeding
direction
Black mark
receipt