To calculate the overall star rating and percentage breakdown by star, we do not use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
So I didn't bother to read too much, and only realised after it came that it is not wifi enabled. I had a LOT of difficulty installing this, as it came with a cdrom (what's that!) instead. Luckily I finally got it to work after I had installed a bunch of apps for online printing. Since I don't use the printer very often, this is good enough for me.