[iOS/Android] A "Failed to connect to the ScanSnap." message is displayed

Has the number of units connected to the wireless access point exceeded the upper limit?

Disconnect other devices connected to the wireless access point.

The upper limit of the number of units that can be connected varies depending on the wireless access point that is in use.

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

Is the privacy separator function of the wireless access point enabled?

Disable the privacy separator function.

Depending on the wireless access point such as a mobile router, the privacy separator function of the wireless access point may be enabled.

For details, refer to How can I disable the privacy separator function of the wireless access point?.

Is the mobile device you want to connect to the ScanSnap displaying a screen other than the ScanSnap Home screen?

Do not switch the ScanSnap Home screen to another other screen on the mobile device while you are connecting the mobile device to the ScanSnap.

Is the ScanSnap being used by another computer or mobile device?

Connect the ScanSnap after you finish using it with another computer or mobile device.

[Android] Is [Stable Wi-Fi scanning] or [Avoid poor connections] enabled in the Wi-Fi advanced settings for the mobile device?

Disable [Stable Wi-Fi scanning] or [Avoid poor connections] in the Wi-Fi advanced settings for the mobile device, and try again.

Are the ScanSnap and wireless access point distant from each other? Also, is there anything that may block the signal (such as walls and metal boards), or an electromagnetic source?

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

From in ScanSnap Home, tap [Scanner] to display the [Scanner] screen. Check the signal status in [Signal strength] in the Scanner information screen, which is displayed by tapping the scanner name at the top of the [Scanner] screen.

If the signal status is not fine, move the ScanSnap and the wireless access point to different locations.

• Move the ScanSnap closer to the wireless access point.

• Move the ScanSnap and the wireless access point away from the following items:

  • Obstacles that may block the signal (for example, walls and metal boards)
  • Devices that may cause signal interference (for example, microwaves and cordless phones) and wireless devices

• Change the direction of the ScanSnap.

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 you trying to use the tethering function of your mobile device?

iOS/iPadOS

When using the tethering function of a mobile device, you need a separate mobile device for tethering.

Prepare a mobile device for tethering and connect the ScanSnap to it, in addition to the mobile device on which ScanSnap Home is installed.

If you cannot establish a connection using a mobile device for tethering, connect the ScanSnap and the mobile device on which ScanSnap Home is installed to a different network name (SSID).

Android/Chrome OS

When using the tethering function of a mobile device, you need a separate mobile device for tethering.

Prepare a mobile device for tethering and connect the ScanSnap to it, in addition to the mobile device on which ScanSnap Home is installed.

Is ScanSnap Home up to date?

Update ScanSnap Home to the latest.