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Media Sensor Position

Reflective Media Sensor

Some types of media have black marks printed on the underside of the backing material

that act as “Start of Label” indicators. These black marks are sensed by the reflective

media sensor mounted to the lead screaw. The position of this sensor is not adjustable.

If you are using this type of media, refer to the “Print Engine Specifications” on page 63

of this guide for information about black mark requirements.

Transmissive Media Sensor

The transmissive media sensor identifies “start of label” indicators such as a notch or

hole in the media or an interlabel gap (backing only) between labels. This sensor con-

sists of a light source (positioned below the media) and a light sensor (positioned above

the media). To properly align the position of this sensor, refer to Figure 6 and turn the

adjustment knob (S) on the media guide shelf assembly until the sensor (T) is aligned

with the notch or hole in the media. If your media uses an interlabel gap, position the

media sensor approximately at the center of the media width.

Figure 6. Media Sensor Adjustment (Right-Hand Unit Shown)

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Zebra 170PAX2 Series Guida Utente Pagina 17