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SYMPTOMS POSSIBLE CAUSE(S) SOLUTION
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.
The scanner is not
configured correctly
for this type of bar
code.
Check if check digits are set
properly.
The minimum symbol
length setting does not
work with the bar
code.
Check if the correct minimum
symbol length is set.
Keyboard Wedge Only
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 not
correct.
Make sure that the proper PC
type AT, PS2 or XT is selected.
Verify correct country code and
data formatting are selected.
Adjust intercharacter delay
SYMPTOM.
The unit is
transmitting
each character.
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.
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.