30
TROUBLESHOOTING GUIDE (CONTINUED)
Symptoms Possible Causes Solution
Scanner beeps
at some bar
codes and NOT
for others of the
same bar code
symbology
The aspect ratio of
the bar code is out of
tolerance
Check print mode. The type of
printer could be the problem.
Change print settings. i.e. change
to econo mode or high speed.
Scanner beeps
at some bar
codes and NOT
for others of the
same bar code
symbology
The bar code may
have been printed
incorrectly
Check if it is a check
digit/character/or border problem.
Scanner beeps
at some bar
codes and NOT
for others of the
same bar code
symbology
The scanner is not
configured correctly
for this type of bar
code
Check if check digits are set
properly.
Scanner beeps
at some bar
codes and 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
Configuration is not
correct
Make sure the scanner is
configured for the appropriate
mode.
The unit scans
but the data is
not correct
Configuration is
correct
Make sure that the proper PC type
AT, PS2 or XT is selected. Verify
correct country code and data
formatting are selected. Adjust
inter-character delay symptom.
Alpha
characters show
as lower case
Computer is in Caps
Lock mode
Enable Caps Lock detect setting
of the scanner to detect whether
the PC is operating in Caps Lock.