The HP Deskjet 3638 is a simple, affordable printer you can count on. Stay connected with the easiest way to print from your smartphone or tablet. Quickly print, scan, and copy-right out of the box and keep free of clutter with the space-saving design. The HP Deskjet 3637 printer takes the HP 302 cartridges, which can be purchased below. The HP 302XL cartridges are the high-yield versions designed to help you print for longer. Red Bus Cartridges can supply both original versions and recycled originals, offering you a cost-effective alternative.