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abide by the following black mark pre-print regulation when print the black
mark paper, otherwise, it will cause that the printer can not identify the black
mark.
The black mark pre-print regulations are as below:
Printing Position:
As the picture above, the black mark should be printed on
the right edge of the printed side of paper.
Width range:
width≥7mm
Height range:
4mm≤height≤6mm
Reflectivity of 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