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TROUBLESHOOTING GUIDE
Symptoms Possible Causes Solution
The unit powers
up, but does not
scan and/or
beep.
The bar code being
scanned does not
satisfy the configured
criteria for character
length lock or minimum
length.
Verify that the bar code being
scanned falls into the configured
criteria.
The scanner defaults to a minimum
of 3 character bar code.
The following item is only relevant for RS232 and Serial Emulation USB interfaces.
The unit scans a
bar code, but
locks up after the
first scan and the
white LED stays
on.
The unit is configured
to support some form
of host handshaking
but is not receiving the
signal.
If the unit is setup to support
ACK/NAK, RTS/CTS, XON/XOFF or
D/E, verify that the host cable and
host are supporting the handshaking
properly.
The unit scans,
but the data
transmitted to the
host is incorrect.
The unit’s data format
does not match the
host system’s
requirements.
Verify that the unit’s data format
matches that required by the host.
Make sure that the unit is connected
to the proper host port.
The print quality of the
bar code is suspect.
The aspect ratio of the
bar code is out of
tolerance.
Check the print mode. The type of
printer could be the problem.
Change the print settings.
i.e. Change to econo mode or
high speed.
The bar code may
have been printed
incorrectly.
The unit is not
configured correctly for
the type of bar code
being scanned.
Check if it is a check
digit/character/or border problem.
The unit beeps at
some bar codes
but NOT for
others of the
same bar code
symbology.
The minimum symbol
length setting does not
work with the bar code.
Check if the correct minimum
symbol length is set.
The unit scans
the bar code but
there is no data.
The unit’s configuration
is not set correctly.
Make sure the scanner is configured
for the appropriate mode.