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3URGXFW5HIHUHQFH*XLGH 4-9
Figure 4-4. Problem Isolation: Poor/No Reading
DONE
DONE
POOR/NO READING
START
Have you verified that
all scan windows are clean
and scratch-free?
YES
NO
Does the
scanner read
the bar code
satisfactorily
?
Verify programmable
parameters using the
information and programming
bar codes provided in Section
6. Check bar code symbology
options and other configurable
features.
Reset the scanner by
holding down the
Volume/Tone Push Button
for 8 seconds.
Troubleshoot
the host or call
Tech Support.
YES
NO
Does the
scanner pass
the data to
the POS
?
YES
NO
Does the
scanner read
satisfactorily
?
YES
NO
Does the
scanner read
satisfactorily
?
Enter Scanner Diagnostic Mode by
holding the Volume/Tone Push
Button for 4 seconds (until first 3,
and then 6 rapid tones are sounded)
then release. Scan a known-good
bar code.
A good read is
signified by one
flash of the Green
LED and a single
beep
1
.
If unexpected data
is being sent from
the host to the
scanner, consider
enabling the
programmable
feature Ignore Host
Commands to
debug the system.
Before proceeding, verify that
bar code samples presented
to scanner are of good quality
and a symbology the scanner
can read.
Green and Yellow LEDs and beeper indications are configurable
features. Behavior may vary from that described here.
1
Call Tech Support
Go to No Transmit to
POS flowchart