Alternative toner ALZA black, like a HP Q3960A

Alternative Toner Alza is a great replacement for the HP Color LaserJet 2550 series, 2820 and 2840thAlza print cartridges provide excellent color stability and print quality, while you take it for a fraction of the original price of consumables.
Specifications:
Compatibility:
HP Color LaserJet 2550 series, 2820, 2840
Alternative Toner for:
HP Q3960A
Capacity:
5000 pages
Color:
Black