Maintenance & Technical Specifications 3 - 3
Decoding Bar Codes
Scanner emits the laser, but does
not decode the bar code.
Scanner is not programmed for the
correct bar code type.
Program the scanner to read that type
of bar code. See Chapter 8,
Symbologies.
Bar code symbol is unreadable. Scan test symbols of the same bar
code type to determine if the bar code
is defaced.
Distance between scanner and bar
code is incorrect.
Move the scanner closer to or further
from the bar code. See Decode Zones
on page 2-6.
The scan line is not crossing every
bar and space of the symbol.
Move the symbol until the scan line is
within the acceptable aiming pattern.
See Figure 2-3 on page 2-4.
Scanner decodes bar code, but
does not transmit the data to the
host.
Scanner is not programmed for the
correct host type.
Scan the appropriate host type
programming bar code. See the
chapter corresponding to the host
type.
Interface cable is loose. Check for loose cable connection and
re-connect cable.
Scanner emits five long low beep
after a bar code is decoded.
Conversion or format error was
detected.
The scanner’s conversion
parameters are not properly
configured.
Ensure the scanner’s conversion
parameters are properly configured.
Conversion or format error was
detected.
An ADF rule was set up with
characters that can't be sent for the
host selected.
Change the ADF rule, or change to a
host that can support the ADF rule.
Conversion or format error was
detected.
A bar code was scanned with
characters that can't be sent for that
host.
Change the bar code, or change to a
host that can support the bar code.
Table 3-1
Troubleshooting (Continued)
Problem Possible Causes Possible Solutions
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