Toner for Laser Printer: HP Color LaserJet 2840, HP Color LaserJet 2820, HP Color LaserJet 2800 series, HP Color LaserJet 2550, HP Color LaserJet 2550 L, HP Color LaserJet 2550 LN,
From Amazon
HP Q3963A HP 122A Laser Cartridge
Compadvance
HP Colr Laserjet 2550 Mgta 39703A/Q396A
Advantage Online
Original-Q3962A