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Print Position: As the picture above, the black mark should be
printed on the right edge of the letters.
Width range: width
≥7mm
Height range: 4mm≤height≤6mm
Reflectivity to infrared ray:<10%(infrared ray reflectivity of
other parts of the black mark paper is >65%)
Hps: it is the distance between edges of black mark and
loading position.
4.5mm≤Hps≤6.5mm
