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Troubleshooting
Quick Reference Guide 33
Troubleshooting
Problem Possible Cause Possible Solutions
Nothing happens when
the trigger is pulled.
No power to the
reader.
Check system power.
Ensure power supply is
connected.
Interface or power
cables are loose.
Ensure all cable connec-
tions are secure.
LED comes on, but bar
code does not decode.
Reader not pro-
grammed for correct
bar code type.
Ensure reader is pro-
grammed to read the type
of bar code scanned.
Refer to the Product Ref-
erence Guide (PRG) for
more information.
Bar code label is
unreadable.
Check the label to ensure
it is not defaced. Try scan-
ning another bar code
type.
Distance between
reader and bar code
is incorrect.
Move reader closer to or
further from the bar code.
Bar code reading ability
has degraded.
Scan Window has
become dirty.
Clean window using a
soft, lint-free cloth damp-
ened with water.
Bar code is decoded
but not transmitted to
the host.
Reader not pro-
grammed for the cor-
rect host type.
Scan the appropriate host
type bar code. Refer to the
Product Reference Guide
(PRG) for more informa-
tion.
NOTE
For detailed troubleshooting, refer
to the Product Reference Guide.
37


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