Metrologic Instruments stratoss ms2220 Manual Do Utilizador
59
T
ROUBLESHOOTING
Symptom
Possible Cause(s)
Solution
All Interfaces
The unit scans a bar code,
but locks up after the first
scan (the white LED stays
on).
but locks up after the first
scan (the white LED stays
on).
The scanner is configured to
support some form of host
handshaking but is not
receiving the signal.
support some form of host
handshaking but is not
receiving the signal.
If the scanner is setup to support ACK/NAK, RTS/CTS,
XON/XOFF or D/E, verify that the host cable and host are
supporting the handshaking properly.
XON/XOFF or D/E, verify that the host cable and host are
supporting the handshaking properly.
The unit scans but the
data transmitted to the
host is incorrect.
data transmitted to the
host is incorrect.
The scanner’s data format
does not match the host
system requirements.
does not match the host
system requirements.
Verify that the scanner’s data format matches that required
by the host. Make sure that the scanner is connected to the
proper host port.
by the host. Make sure that the scanner is connected to the
proper host port.
The print quality of the bar
code is suspect.
code is suspect.
Check the character length
lock.
lock.
Scanner beeps at some
bar codes and NOT from
others of the same bar
code symbology.
bar codes and NOT from
others of the same bar
code symbology.
The aspect ratio of the bar
code is out of tolerance.
code is out of tolerance.
The type of printer and/or the printer settings could be the
problem.
Check the print mode or change the printer settings. For
example change to econo mode or high speed.
problem.
Check the print mode or change the printer settings. For
example change to econo mode or high speed.
The unit is trying to scan a
particular symbology that is
not enabled.
particular symbology that is
not enabled.
UPC/EAN and Code 128 are enabled by default. Verify that
the type of bar code being read has been selected.
the type of bar code being read has been selected.
The unit powers up but
does not scan and/or
beep.
does not scan and/or
beep.
The unit has been configured
for a character length lock or
a minimum length and the bar
code being scanned does not
satisfy the configured criteria.
for a character length lock or
a minimum length and the bar
code being scanned does not
satisfy the configured criteria.
Verify that the bar code that is being scanned falls into the
criteria.
Typical of Non-UPC/EAN codes. The scanner defaults to a
minimum of 4 character bar code.
criteria.
Typical of Non-UPC/EAN codes. The scanner defaults to a
minimum of 4 character bar code.
The bar code may have been
printed incorrectly.
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.
correctly for this type of bar
code.
Check if check digits are set properly.
The unit beeps at some
bar codes but NOT for
others of the same bar
code symbology.
bar codes but NOT for
others of the same bar
code symbology.
The minimum symbol length
setting does not work with the
bar code.
setting does not work with the
bar code.
Check if the correct minimum symbol length is set.