User`s manual

108
Chapter 14 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 code clearly printed.
Problem 2: Cannot read 2D codes or bar codes.
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 bar code contains no check digit,
while the "Enable, with a check digit" parameter is
selected.
 Select the "Enable, without a check digit" parameter.
 The check digit contained in the scanned bar code
is wrong.
 Use a correct bar code.
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" is selected.
 Cancel the setting.
(See Chapter 3.)
Problem 4: Scanner's operation period too short even after recharge.
Probable cause What to do:
 The scanner may not be placed in the charger
properly.
 Place the scanner in the charger properly.
(See Section 9.1.)
Problem 5: Bluetooth
®
wireless link unexpectedly broken
Probable cause What to do:
 The automatic disconnection may be enabled.  Press the trigger switch to reestablish the Bluetooth
®
wireless link.
 Change the timeout period for scanner to wait for a
connection request if necessary.
(See Section 8.1.)