● Move the scanner closer to the wireless access point.
● Move the scanner and the wireless access point away from the following.
- Objects that may block the signal (such as walls and metal boards)
- Devices that may cause signal interference (such as microwaves and cordless phones) and wireless
devices
● Change the direction that the scanner is facing.
Also, communication in certain wireless channels may become unstable due to signal interference such as
noise.
Change the value of the wireless channel on the wireless access point.
● Are the network name (SSID), security protocol (authentication method), encryption method, and security
key configured correctly?
Solution
Use the same network name (SSID), security protocol (authentication method), encryption method, and
security key as your wireless access point.
If you cannot find the network name (SSID) or the security key, either refer to the manual of your wireless
access point or contact the manufacturer.
● Is the setting that does not permit communication configured on the wireless access point?
Solution
When the following are set on the wireless access point, take measures accordingly.
● Communication between wireless devices is disabled (for example, because of a privacy separator
function or a port separator function).
Enable communication between wireless devices on the wireless access point.
● SSID broadcast (for example, ANY connect) is disabled.
Enable SSID broadcast on the wireless access point. Or, configure the Wi-Fi settings manually.
● Protocol filter function is enabled.
Set the protocol on the wireless access point.
● The stealth function is enabled.
Disable the stealth function, and then use WPS to configure the Wi-Fi settings again. Or, configure the
Wi-Fi settings manually.
● MAC address filtering is enabled.
Set the MAC address of the scanner on the wireless access point, and then configure the Wi-Fi settings
again.
In addition, the channel may overlap with another wireless access point.
In this case, change the value of the wireless channel on the wireless access point.
For details about wireless access point settings, refer to the manual of your wireless access point.
Troubleshooting
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