What is the difference between printing pictures off an all in one printer and printing them off a ip90 printe

Answer 1

Cost and flexibility.

The small printer cost more to use when you add up paper and ink.

The large, regular printers are less expensive to use and allow you to print in any size you choose, not just 4x6.

Now that most photo processing is less than 20 cents per 4x6, it's much cheaper to let them do it.

Take your pick!