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4 Troubleshooting
Problem
Possible causes
Possible solutions
Nothing happens
when you No power to the scanner. Check the system power. Ensure the
follow the operating instructions,
power supply is connected.
or the scanner displays erratic
Incorrect cables.
Use the original cables.
behavior.
Connections are loose.
Check for loose cable connections.
Bar
code
symbol
is Check the symbol to make sure it is not
unreadable.
defaced. Try scanning test symbols of
the same bar code type.
Laser comes on, but the scanner Scanner
is
not Be sure the scanner is programmed to
does not decode.
programmed
for
the read the
type
of bar code you
are
correct bar code type.
scanning.
Distance
between Move the scanner closer to or further
scanner and bar code is
from the bar code.
incorrect.
Be sure proper host is selected.
For RS-
232, ensure the scanner’s
Scanner
is
not communication parameters match
the
Scanned data is
incorrectly programmed to work with
host’s settings.
displayed on the host.
the host. Check scanner
For a USB-HID keyboard or a keyboard
host type parameters
or wedge configuration, ensure the system
editing options.
is programmed for the correct keyboard
type and language, and the CAPS
LOCK key is in the correct state.
Other circumstances.
Contact
your
distributor or
the
manufactory support centre.
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