Metrologic Instruments IS3480 Manuel D’Utilisation

 

 

27

T

ROUBLESHOOTING

 

G

UIDE

 

 

All Interfaces 

The unit scans 
a bar code, but 
locks up after 
the first scan 
(the white LED 
stays on). 

The scanner is 
configured to support 
some form of host 
handshaking but is not 
receiving the signal. 

If the scanner is setup to support 
ACK/NAK, RTS/CTS, 
XON/XOFF or D/E, verify that 
the host cable and host are 
supporting the handshaking 
properly. 

The unit scans 
but the data 
transmitted to 
the host is 
incorrect. 

The scanner’s data 
format does not match 
the host system 
requirements. 

Verify that the scanner’s data 
format matches the format 
required by the host.

Make sure that the scanner is 
connected to the proper host 
port.

The print quality of the 
bar code is suspect. 

The aspect ratio of the 
bar code is out of 
tolerance. 

The type of printer and/or the 
printer settings could be the 
problem. 
 
Check the print mode or change 
the printer settings.  For 
example, change to econo mode 
or high speed. 

The bar code may 
have been printed 
incorrectly. 

Check if it is a check digit, 
character or border problem. 

The scanner is not 
configured correctly 
for the type of bar 
code. 

Check if check digits are set 
properly. 

Scanner beeps 
at some bar 
codes and NOT 
for others of the 
same bar code 
symbology. 

The minimum symbol 
length setting does not 
work with the bar 
code. 

Check if the correct minimum 
symbol length is set.