For your HP DeskJet 3639 ink needs, DoorStepInk.com offers affordable yet high-quality remanufactured ink cartridges that deliver excellent prints. Save money on your print jobs by choosing remanufactured HP 63XL ink cartridges. DoorStepInk offers you the best replacement option for less. We offer you quality, reliability, and superb customer service. The DeskJet 3639 is a monochrome printer that prints a maximum of 20 pages per minute and up to 16 color pages per minute.