ihocon: HP Photosmart 3520 e-AiO 3-in-1 Desktop Color Wireless Printer (Manufacturer Refurbished)Groupon 推出 HP Photosmart 3520 e-AiO 3-in-1 Desktop Color Wireless Printer (Manufacturer Refurbished)(價值 $123), 只賣 $56.99, 免運費