A:AnswerYou dont have to replace them all (you can buy separate cartridges for each color) BUT, they all have to have ink in them or it wont let you print or copy.
A:Answer4x6 is the smallest size photo paper that can be loaded in the front tray.
Printer can connect to network via USB, Ethernet, or WiFi. You can connect other devices such as tablets or phones to it directly with WiFi (no router needed). It does not have Bluetooth.
A:AnswerYes if you can get dye sublimation inks for it. I would not recommend it though. This does not seem like it would hold up well for this kind of use.
And yes to paper size.
A:AnswerSorry I don't know. I bought this as a gift. Perhaps you could go to the instruction manual on line and get the correct answer. I hope this helps.
