Zebra GK420d GX420d ZP450 ZP505 Ribbon Cable 8 pin 1mm Pitch 350mm long Shielded Grounded Opposite Type D.
If your printer stopped calibrating and gap sensor is in place (sensors fails rarely) you need to do continuity check on flat ribbon, going from motherboard to feed button, tracks. Over the time cable tracks brakes on a bending and it leads to calibration issues.
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