Win10 uses mandatory digital signature. As long as this function is turned off, we can successfully install the driver. So how exactly does it work?
1 In "Settings", select "Update & Security"
2 In "Recovery", click "Restart Now" and the computer will enter the "Restart" page
3Select "Troubleshoot" → "Advanced Options" → "Startup Settings"
4Finally click "Restart". After the computer restarts, you can install the driver
5 How to install the printer driver: 1. Go to the official website to download and install through the printer signal. 2. Install the driver through a third-party platform, such as Driver Life and Driver Wizard to install the driver.