HP C3903A Black Toner Cartridge

Black Original HP LaserJet Printer Cartridge 10A Q2610A works with HP LaserJet 2300. Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. Its cartridge yields are approx 6,000 pages.

HP Black LaserJet 15A Cartridge C7115A has a 24 months shelf life. Its page yield is 6,000. It is a very different cartridge as it shows a unique  tone.