Metrologic Instruments MS7220 - Manual (Page 27)

24
T ROUBLESHOOTING G UIDE (C ONTINUED )
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
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
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.