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Network User Utility download

We have confirmed that there is a problem with Windows 11 that prevents connection to the scanner when connected over a LAN. Please refer to the problem description and workaround.
→ This problem has been fixed in Windows 11 “22H2”. Please upgrade your Windows 11 to “22H2”.

Software License Agreement

It is required to review the following license agreement before the software is downloaded. We will be deemed that the customer has to agree to the terms and conditions of the license agreement when the software had been downloaded by the customer. Please note that it is not possible to download or use the software if the customer does not agree to it.

Downloading Files

Ver.2.70 (Latest version)

Date of updated25 Dec, 2015
Supported ProductsCSX550-09 / CSX550-09AP
Supported OSWindows 11 (*1)Home / Pro / Enterprise / Education
Windows 10 x64 EditionHome / Pro / Enterprise / Education
Downloading filesSoftwareNetwork(Scanner)v270.zip (5,287KB)
  1. Please update to the latest Windows 11 before using the driver.

Revision History


  1. Supported Windows 10.


  1. Supported Windows 8.1.


  1. Supported Windows 8.


  1. Supported Windows 64bit OS.


  1. Supported Windows 7.


  1. First edition.
  2. Supported Windows Vista.