I recently upgraded to an M1 iMac with MacOS Monterey (12.3.1). The printer (a Canon TS8320, WiFi connected) continues to work (print) fine, but it seems as if the application doesn't recognize that it's capable of duplex (two-sided) printing. Accord...
Patrick, I think you've sized it up pretty well. I was aware that the TS8320 was using Apple's AirPrint, and that the duplex option was presented by the application in the Print Dialog. In this case, the application is PrintShop (by Mackiev, used for...