78
Chapter 12 Troubleshooting
Problem 1: Low reading efficiency.
Probable cause
What to do:
A target code is not within the scan range of the reading
window.
Bring a code within the scan range.
The code may be smeared.
Wipe off the dirt from the code.
The code may be blurred.
Use a clearly printed code.
The keyboard type is not set correctly, such as U.S.
English (101 key type) or Japanese (106 key type).
Set correctly by referring to Section 9.3 (2).
Problem 2: Cannot read 2D codes or barcodes.
Probable cause
What to do:
The type of the code to be scanned has not been set as a
readable code.
Enable the type of the code to be scanned as a readable code.
The scanned barcode contains no check digit, while the
“Enable, with the check digit” parameter is selected.
Select the “Enable, without the check digit” parameter.
The check digit contained in the scanned barcode is
wrong.
Use a correct barcode.
The Bluetooth
®
wireless link is not established.
Establish the Bluetooth
®
wireless link with the target Bluetooth
®
device.
Problem 3: Code data not displayed on the computer screen correctly.
Probable cause
What to do:
The target Bluetooth
®
device is not ready for
communication.
Refer to the User’s Manual of the target Bluetooth
®
device.
The target Bluetooth
®
device is located too far from
your scanner.
Bring the target Bluetooth
®
device and your scanner close to each
other.
The Bluetooth
®
wireless link with the target Bluetooth
®
device is not established.
Establish the Bluetooth
®
wireless link with the target Bluetooth
®
device.
The “Scanning w/ Bluetooth
®
wireless link broken”
parameter is selected.
Cancel the setting. (See Chapter 3.)
Problem 4: Scanner does not turn on.
Probable cause
What to do:
The battery is not loaded correctly.
Load the battery correctly.
The remaining battery level is insufficient.
Charge the battery if the remaining level is low. Replace the LR6
(AA) alkaline battery if the remaining level is low.
The battery electrodes on the battery and scanner body
are dirty.
Wipe the electrodes clean if they are dirty.