HP 124A (Q6003A) Magenta Toner Cartridge for HP Color LaserJet 2600n 1600 2605 1015 1017. HP 124A (Q6003A) toner cartridges work with: HP Color LaserJet 2600n, 1600, 2605 1015, 1017. Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. Cartridge yield (approx.): 2,000 pages. 124A toner is designed to work with your HP printer for high quality, reliable results every print. Ensure that your printing is right the first time and every time with HP printer toner: 124A toner. What’s in the Box: 1 New Original HP 124A (Q6003A) toner cartridge. Color: Magenta.