The SV unit stops my printer (or, in the case of a conveyor application, provides an error indication), but if I can read the bar code with my scanner. Why?
This could be a system setup problem or a bar code quality problem. The SV unit is decoding a bar code moving through its beam. If the code is moving too fast for the SV scan rate, or some portions of the code are damaged, it may not be able to be decoded in time, and therefore produce a No Read error condition. If the bar code is partially damaged, it will be possible to find a good scan line someplace over the area of the code with a hand held scanner that will read. The SV unit may be programmed to set an error condition for relatively high grade failure threshold which the scanner can easily decode.
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