MAINTENANCE, TROUBLESHOOTING & TECHNICAL SPECIFICATIONS 3 - 7
Linear imager scanner emits five 
long low beep after a bar code is 
decoded.
Conversion or format error was 
detected.
The linear imager scanner’s 
conversion parameters are not 
properly configured.
Ensure the linear imager 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.
Host Displays
Host displays scanned data 
incorrectly.
Linear imager scanner is not 
programmed to work with the 
host.
Ensure the proper host is selected.
Scan the appropriate host type 
programming bar code.
For RS-232, ensure the linear imager 
scanner’s communication parameters 
match the host’s settings.
For a USB HID keyboard or Keyboard 
Wedge configuration, ensure the 
system is programmed for the correct 
keyboard type and language, and turn 
off the CAPS LOCK key.
Ensure editing options (e.g., ADF, 
UPC-E to UPC-A Conversion) are 
properly programmed.
Check the linear imager scanner’s host 
type parameters or editing options.
Trigger
Nothing happens when the trigger is 
pulled.
No power to the linear imager 
scanner.
Check the system power. If the 
configuration requires a power supply, 
re-connect the power supply.
Check the battery. Ensure that end cap 
to battery chamber is secured.
Interface/power cables are loose. Check for loose cable connections and 
re-connect cables.
Table 3-1    
Troubleshooting (Continued)
Problem Possible Causes Possible Solutions