Black Mark Dimensions (Receipt Media)

The reflective media black marks (or black bar/marks) should extend past the centerline of the roll on the front side of the paper.

Minimum mark width: 15 mm (0.59 in.) perpendicular to the edge of the media, and centered within the width of the roll.
Mark length: 4.8 - 6.0 mm (0.19 - 0.24 in.) parallel to the edge of the media.