Ars TechnicaCanon warns printer users to manually wipe Wi-Fi settings before discarding
If you thought a factory reset wipes Wi-Fi passwords, you'd be wrong.
chidi_anagonyeOr they could publish an update to make the factory reset work as one would expect.
@chidi_anagonye imagine, you threw the printer away and in the middle of the night, a fortnight later, you get a notification on your Wifi monitor: "Canon Printer has connected to your Wifi network"