What computer operating systems are compatible with the PIXMA TR7520?
For Windows, the PIXMA TR7520 is compatible with Windows 10, Windows 8.1, and Windows 7 SP1, and requires .NET Framework 4 for installation. For Mac, it supports Mac OS X v10.10.5 through macOS v10.12 (Sierra), with macOS v10.12.1 or later recommended for full compatibility. An Internet connection is required during software installation on Mac. (Page 2)
From the official Canon Pixma TR7520 Printer manual, page 2
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