The HP Color LaserJet 2550L uses compatible toner in four colors: black Q3960A (122A) at about 5,000 pages, plus cyan Q3961A, magenta Q3963A and yellow Q3962A (122A) at about 4,000 pages each. A compatible Q3964A drum is also available, rated for about 20,000 pages. Every order comes with our 100% satisfaction guarantee.
