Was the network disconnected while the firmware data is being downloaded?
If the network is disconnected while the firmware data is being downloaded, downloading the firmware data is not completed successfully and the firmware cannot be updated.
Check the network environment and update the firmware again in the following procedure:
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Connect the computer to the network.
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Close the ADF paper chute (cover) to turn off the ScanSnap, then open the ADF paper chute (cover) to turn it back on.
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When the startup mode of the ScanSnap is set to [Fast], the ScanSnap is not turned off even if you close the ADF paper chute (cover).
Unplug the power cable from the AC outlet and plug it back in again, and then open the ADF paper chute (cover).
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Update the firmware.
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When the [Connection with the ScanSnap] window is displayed on the computer
Click the [Retry] button.
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When the [Connection with the ScanSnap] window is not displayed on the computer
Update the firmware in the [ScanSnap - Firmware Update].
For details, refer to ScanSnap Help.
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Is "BOOT MODE" displayed on the touch panel of the ScanSnap?
When "BOOT MODE" is displayed on the touch panel of the ScanSnap, refer to [Windows/macOS] A "BOOT MODE" message is displayed on the touch panel to take measures accordingly.
Is the wireless access point turned on? Alternatively, are there any errors or malfunctions on the wireless access point?
Turn on the wireless access point.
If the wireless access point is turned on, restart the wireless access point and then check that there are no errors or malfunctions on the wireless access point.
For details about wireless access point errors, refer to the manual of your wireless access point.
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.
On the touch panel of the ScanSnap, check the signal status with the icon that is displayed at the top of the home screen.
Icon |
Signal Status |
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Signal strength: Strong |
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Signal strength: Medium |
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Signal strength: Weak |
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No signal |
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Searching for a wireless access point/No wireless access point specified |
If the signal status is not fine, move the ScanSnap and the wireless access point to different locations.
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Move the ScanSnap closer to the wireless access point.
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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
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Change the direction of the ScanSnap.
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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 about how to change the frequency for connecting the ScanSnap, refer to ScanSnap Help.
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.
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If you are using 2.4 GHz Wi-Fi and the firmware update fails, use 5 GHz Wi-Fi.
Are the ScanSnap and the computer connected to the same network name (SSID)?
Connect the ScanSnap and the computer to the same network name (SSID).
Have you configured any communication authorization settings on the wireless access point?
If the settings are configured in the ways below on the wireless access point, follow the solutions accordingly.
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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.
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When the SSID broadcast, such as ANY connection, is disabled
Enable the SSID broadcast on the wireless access point. Otherwise, configure the Wi-Fi settings manually.
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When the protocol filter function is configured
Configure the protocol on the wireless access point.
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When the stealth function is configured
Disable the stealth function, and then configure the Wi-Fi settings again using the WPS function. Otherwise, configure the Wi-Fi settings manually.
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When MAC address filtering is configured
Set the MAC address for the ScanSnap on the wireless access point, and then configure the Wi-Fi settings again.
In addition, the set channel may be used with another wireless access point.
In this case, change the value of the wireless channel on the wireless access point.
For details about the settings of the wireless access point, refer to your wireless access point manual.
Is the wireless communication between the ScanSnap and the computer restricted by your security software?
If the communication between the IP address of the ScanSnap and the computer is restricted by your security software, allow the communication.
For details about how to exclude the communication from being monitored by your security software, refer to the manual of the security software that you are using.
Are you using a wireless access point repeater?
When using a wireless access point repeater, if both the connection between the wireless access point and the repeater and the connection between the repeater and both the ScanSnap and the computer use the same frequency band, the communication speed will be halved.
If the communication speed slows down, the firmware update may fail.
Connect the wireless access point and the repeater
, as well as the repeater
and both the ScanSnap and the computer, using different frequency bands as follows.
For details about how to set the frequency band for a repeater, refer to the manual of the repeater that you are using.
Note that the communication speed may slow down depending on the locations of the wireless access point and the repeater.
Refer to the following and move the wireless access point and the repeater to different locations.
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Move the wireless access point and the repeater closer together
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Move the wireless access point and the repeater away from the following items:
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Obstacles that may block the signal (for example, walls and metal boards)
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Devices that may cause signal interference (for example, microwaves and cordless phones) and wireless devices
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Change the direction of the repeater
If the problem persists, connect the ScanSnap and the computer via a USB cable and update the firmware.