Canon Community

I have my MG 7500 Series connected to wifi and also plugged into my iMac. Lately, I have been having a hard time with the speed of my printer. It is printing very SLOW!! 

I have the MG7500 Series printer. I have it set up on wifi and lately, I can't seem to print from my phone or iPad on anything other than 4x6 photo paper. No matter what I am trying to print, it only comes out on the 4x6. and I cant change the settin...