As you point out, the stock is heavy so it gets a curl "fixed" into the paper when coming from the feeder which is exactly what the rear paper feed solves. (back on topic!) Also, the Expson output quality isn't half what the Canon MX-892 was. **bleep...
I'm assming Carolyn_B (Message 29) is correct. I have the Epson XP-860 and can confirm that the rear feed is terrible. One sheet at a time and only after the printer says ok and you click ok. Craziness. I miss my MX-892 and have yet to find a replace...
