A black mark may look correct on paper, but only on-machine testing can verify whether the printer detects it consistently and positions each receipt for accurate cutting.
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Why Black Mark Paper Must Be Tested on the Actual Printer | KINGCOLOR
2026-11-03
The black mark provides a reference for paper positioning and cutting. If the machine cannot read it consistently, the paper may stop in the wrong position, resulting in misaligned printing or inaccurate cuts.
This video combines an on-camera explanation with testing on actual printing equipment and inspection of the printed output. KINGCOLOR evaluates mark detection, paper feeding and cutting position under real operating conditions before confirming customized black mark paper specifications.
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