Check the following points

• Is the wireless access point turned on?

• Is the scanner far away from the wireless access point? Is there anything that may block the signal (such as walls and metal boards), or an electromagnetic source?

• Is the setting that does not permit communication configured on the wireless access point?

If the problem persists, check the items in Before You Contact the Scanner Service Provider first, then contact the distributor/dealer where you purchased this product. Refer to the contact information in the Contact List if supplied with this product, or refer to the contact information in the Contact for Inquiries section if provided in Safety Precautions supplied with this product, and then make an inquiry.

Is the wireless access point turned on?

Solution

Turn on the wireless access point.

Also check that there is no error or malfunction on the wireless access point.

For details about wireless access point errors, refer to the manual of your wireless access point.

Is the scanner far away from the wireless access point? Is there anything that may block the signal (such as walls and metal boards), or an electromagnetic source?

Solution

The signal between the wireless access point and the scanner may be weak, or there may be some signal interference.

Check the icon on the lower left side of the touch screen for the signal status.

Icon	Signal Strength
	Strong
	Medium
	Weak
	Not connected

If the signal is weak, change the installation locations of the scanner and the wireless access point.

• 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.

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.