I always purchase the HP 05X High Yield Toner. It seems like it is better than any other knock off brand I've tried. It last a long time too. I print a ton and only have to replace the toner cartridge once a year. It dries almost instantly and gives a sharp black print. It isn't messy to replace.
Clean Replacement; dries quickly; easy to replace; Long Cartridge Life; Sharp Tones & Colors; value