I tested the Epson Workforce ET-4550 All-in-One, which retails for $500 and includes ink. My previous printer, the Epson XP-810, which was constantly gobbling up ink cartridges, retails for about $200. But, Epson says it would take 50 sets of ink cartridges, at $50-60 per set, to print those 11,000/8,500 pages. Averaging the cost at $55 per set, let’s look at the numbers: