(via driver/TWAIN/WIA)
While specific details about the "m521dn" driver are not available without more context, understanding the role of printer drivers and how to install or troubleshoot them can help you manage your printing needs effectively. Always refer to the manufacturer's instructions or support resources for the most accurate and helpful information. m521dn driver
Before downloading, know which version of Windows or macOS you are running. especially on macOS
Sometimes, especially on macOS, simply updating your operating system can provide the necessary drivers. m521dn driver