The HP DeskJet 640 uses two remanufactured ink cartridges: the black HP C6614DN, which prints about 600 pages, and the tri-color HP 49, which prints about 310 pages. Both are standard capacity. The same supplies also fit the DeskJet 610C, DeskJet 612C, and DeskJet 630C. Same-day shipping on most orders.
