I think the price kills it: $229 USD or 0.9630 BTC
Look over here at Mycelium Entropy that you can use on printers that print from USB:
https://bitcointalk.org/index.php?topic=709936.0I think the usb device for around .80 btc less is a better option if you have a comparable printer. To me this wallet printer looks like a Raspberry Pi and small printer. I would guess you could build your own that does same job for much much cheaper.