The Scan Starts Late/Scanning Stopped/the Transferring Speed of Scanned Images Is Slow

When the ScanSnap takes time to start a scan, it stops while scanning,or the transferring speed of scanned images is slow, check the following.

HINT
  • When you use a Wi-Fi connection, communication may become unstable (for example, signal interference such as noise disconnects the scanner and computer or the transferring speed of scanned images becomes slow) depending on where you use the ScanSnap.

    Connect the scanner and computer by using the USB cable if you are in the environment in which the USB cable can be used.

Is the ScanSnap, the mobile device or the computer far away from the wireless access point? Also, is there anything that may block the signal (for examples, walls and metal boards), or an electromagnetic source?

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

Move the ScanSnap, the mobile device, or the computer and the wireless access point to different locations.

  • Move the ScanSnap, the mobile device, or the computer closer to the wireless access point.

  • Move the ScanSnap, the mobile device, the computer, 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

  • Turn the ScanSnap, the mobile device, or the computer in a different direction.

HINT
  • Even if the signal status is fine, communication within the range of a certain frequency or in certain wireless channels may become unstable due to signal interference such as noise.

    When you are in a region where 5 GHz Wi-Fi is available, do not select [Automatic] for the frequency in order to connect the ScanSnap. Select [2.4GHz] or [5GHz] depending on where you use the ScanSnap.

    For details, refer to Changing the Frequency for Connecting the ScanSnap.

    Change the value of the wireless channel on the wireless access point if necessary.

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

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.

Does the connection use multiple wireless access points?

Use a wireless access point that does not rely on other wireless access points.

Does the wireless access point use a connection type other than 802.11ac or 802.11n?

Change the connection type of the wireless access point to 802.11ac or 802.11n.

For details about modifying the setting, refer to the manuals of the wireless access point.

If your wireless access point does not support 802.11ac or 802.11n, use a wireless access point that supports 802.11ac or 802.11n.

Does the wireless access point use a connection type other than 802.11n?

Change the connection type of the wireless access point to 802.11n.

For details about modifying the setting, refer to the manuals of the wireless access point.

If your wireless access point does not support 802.11n, use a wireless access point that supports 802.11n.

Are you scanning a large amount of documents, or have you configured scan settings that would increase the data size for scanned images?

Scanning may be paused when you scan a large amount of documents or scan with settings that would increase the data size (for example, raising the image quality level and lowering the compression rate).

Scanning will resume after the images have been transferred. Wait for a while.

Note that you can also take the following measures:

  • Reduce the number of sheets to be scanned.

  • Change the scan settings to reduce the data size for scanned images, and then scan again.

    Example: Lowering the image quality level. Raising the compression rate.

You can change the scan settings in the following procedure:

Windows
  1. Click the [Scan] button in the upper left of the main window of ScanSnap Home to display the scan window.

    If the main window is not already displayed, refer to To Display the Main Window.

  2. Select the profile that you are using from the profile list.

  3. Click Edit Profiles to display the [Edit profiles] window.

  4. Click the [Detailed settings] button in [Scan settings] to display the [Detailed settings] window.

    • Change [Image quality] in the [Scan] tab.

    • Change [Compression rate] in the [File size] tab.

Mac OS
  1. Click the [Scan] button in the upper left of the main window of ScanSnap Home to display the scan window.

    If the main window is not already displayed, click the [ScanSnap Home] icon ScanSnap Home Icon in the application list that appears when you click Launchpad in the Dock.

  2. Select the profile that you are using from the profile list.

  3. Click Edit Profiles to display the [Edit profiles] window.

  4. Click the [Detailed settings] button in [Scan settings] to display the [Detailed settings] window.

    • Change [Image quality] in the [Scan] tab.

    • Change [Compression rate] in the [File size] tab.