Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Duplex and 2 Sided scanning

The ADF was broken when I got it, but Canon's customer service was excellent and referred me to a local repair shop. Amboy Office Equipment fixed it in 3 1/2 days.The device works great. The only thing that I'm not used to is the startup time. The 1st page takes a while to load in to the printer before it starts printing. My HP printers were a lot quicker.Everything works as promised. It was a very good buy for the money.Scanning both sides with out having to manually do anythings is great!!!I'll be looking at more canon products in the future.I hope they add WI-FI in the future.