Reman.
10 (C4844A) Black Cartridge compatible with:
Business InkJet 1100, 1200, 2200, 2300, 2600, 3000
Color InkJet cp1700
DesignJet 100, 110 plus, 10 plus, 500, 70, 800, 815mfp, 820
ColorPro GA HP 2000/ 2200
The use of compatible supplies does not void your printer warranty.