The HP Color LaserJet 2840 uses compatible 122A toner in black, cyan, magenta and yellow. The black Q3960A prints about 5,000 pages; the cyan Q3961A, magenta Q3963A and yellow Q3962A each print about 4,000. The compatible Q3964A drum is rated for about 20,000 pages. The same supplies fit the Color LaserJet 2820. Enjoy same-day shipping on most orders.
