Chapter 4 — Troubleshooting and Maintaining the Printer
PD41 and PD42 Commercial Printer User’s Manual 85
Adjusting the Label Stop Sensor
The label stop sensor (also called label gap sensor or black mark
sensor) is a photoelectric sensor that controls the media feed by
detecting gaps between labels, or slots or black marks in continuous
stock. For the sensor to work, it must be aligned with the gaps, slots,
or marks on the media. If you are using irregularly shaped labels, align
the sensor with the front tip of the labels.
To adjust the label stop sensor position
1 Pull out on the printhead lever and turn it counterclockwise to lift
the printhead.
2 Use the sensor lever at the rear side of the print mechanism to
move the sensor inward or outward.
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