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UPM Raflatac Europe > Troubleshooting > Printing > Imprintability > TTR > Grey barcodes

Grey barcodes

Appearance

Cause

Contact force of printhead is too high (scorched ink).

Action

Decrease force of printhead.

TTR

Black lines »
Crisscross white lines »
Ghosts »
Grey barcodes »
No ribbon detection »
Partial print »
Poor barcode defination at 90 degree or straightness of lines »
Vertical white lines »