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29
TROUBLESHOOTING GUIDE
Symptoms Possible Causes Solution
The bar code may
have been printed
incorrectly.
The unit beeps
at some bar
codes but NOT
for others of the
same bar code
symbology.
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
correct.
Make sure the scanner is
configured for the appropriate
mode.
The unit scans
but the data is
not correct.
The unit’s
configuration is not
correct.
Make sure that the proper PC type
AT, PS2 or XT is selected. Verify
the correct country code and data
format is selected. Adjust the
inter-character delay symptom.
The unit is
transmitting
each character
twice.
The unit’s
configuration is not
correct.
Increase the interscan code delay
setting. Adjust whether the F0
break is transmitted.
It may be necessary to try this in
both settings.
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