Walmart offers the Canon Pixma MX490 WiFi All-in-One Inkjet Printer, which also scans, copies, and faxes, for $35 with free 2-day shipping. That's tied with our mention from a week ago, within a buck of the best price we've seen, and the best deal we could find by $6. Features include:

2.5" LCD screen

8.8 ipm black print speed & 4.4 ipm color print speed

4800x1200 dpi maximum color print resolution

802.11n wireless

20-sheet auto document feeder

compatibility with Google Cloud Print and AirPrint

My Image Garden software