Metrologic Instruments MS1890 User Manual
Page 24
20
T
ROUBLESHOOTING
G
UIDE
Symptoms
Possible Causes
Solution
The print quality of
the bar code is
suspect.
Check print mode. The type of
printer could be the problem.
Change print settings (i.e. change
to econo mode or high speed).
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).
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 unit 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.
The configuration is
not set correctly.
Make sure the scanner is
configured for the appropriate
mode.
The configuration is
not set correctly.
Make sure that the proper PC type
AT, or PS2 is selected. Verify
correct country code and data
formatting are selected. Adjust
inter-character delay symptom.
The unit scans
but the data is
not correct.
The scanner and host
may not be configured
for the same interface
parameters.
Check that the scanner and the
host are configured for the same
interface parameters.