Symptoms Possible Causes Solution
The imager
scans but the
data is not
correct.
The imager and host
may not be configured
for the same interface
parameters.
Check that the imager and the
host are configured for the same
interface parameters.
The following item is only relevant for an RS232 interface.
The imager
powers up OK
and scans OK
but does not
communicate
properly with
The com port at the
host is not working or
not configured
properly.
Check to make sure that the baud
rate and parity of the imager and
the communication port match
and the program is looking for
“RS232” data.
powers up OK
and scans OK
but does not
communicate
properly with
The cable is not
connected to the
correct com port.
Check to make sure that the cable
is connected to the correct com
port.
Characters are
being dropped.
Inter-character delay
needs to be added to
the transmitted output.
Add some inter-character delay to
the transmitted output by using
the Configuration Guides
(PN 00-02544 and 00-05252).
The following item is only relevant for a USB interface.
No LEDs, beep
or Illumination
The USB host may not
be active.
The MS7580 will not
operate from hub/host
power without host
communication.
Turn on the host device.
The imager is not
receiving sufficient
power to support
operation.
Refer to the electrical
specifications on page 34
.
Verify adequate power is being
supplied to the imager.
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