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Symptoms Possible Causes Solution
The unit powers
up, but does not
beep when bar
code is scanned.
The beeper is
disabled and no tone
is selected.
Enable the beeper and select a
The unit powers
up, but does not
scan and/or
The bar code
symbology trying to
be scanned is not
UPC/EAN, Code 39, interleaved 2
of 5, Code 93, Code 128, Codabar
and PDF are enabled by default.
Verify that the type of bar code
being read has been selected.
The unit powers
up, but does not
scan and/or
The scanner is trying
to scan a bar code
that does not match
the configured
Verify that the bar code being
scanned falls into the configured
criteria (i.e. character length lock or
minimum bar code length settings).
The unit scans
a bar code, but
locks up after
the first scan
and the white
LED stays on.
The scanner is
configured to support
some form of host
handshaking but is
not receiving the
If the scanner is setup to support
ACK/NAK, check to make sure the
host is supporting the
handshaking properly.
The unit scans,
but the data
transmitted to
the host is
The scanner’s data
format does not
match the host
system requirements.
Verify that the scanner’s data
format matches that required by
the host.
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