driver for old MX340 for new Mac mini

[old1]

I downloaded a driver from the Canon website but I don't know where it installed. any help? (downloaded network tool Ver.4.7.6 (Mac) .  I used these instructions:

Procedures for the download and installation

1. Download the file. For the location where the file is saved, check the computer settings.

2. Double-click the downloaded file and mount it on the Disk Image.

3. Double-click the mounted Disk Image.

4. Double-click the packaged file in the folder. Installation starts automatically.

but I don't see the driver listed in the "add printer" window.

[jrhoffman75]

The last version of macOS that had a driver for that printer was El Capitan (according to the Canon support site). 

It also seems to be not supported as an AirPrint printer.

Screenshot 2023-08-17 070826.jpg

Contact Canon about their obsolete printer support program. They offer a discount on a new printer.