I have an MF642CDW https://www.usa.canon.com/support/p/color-imageclass-mf642cdw?srsltid=AfmBOoo95ah0tB5x5_AQc9kgLDPalIXZZWRf3BLVM2xjWSNrP8eb1VPfThe printer used to work fine for printing, scanning etc but after I switched my ISP it stopped being abl...
