Comments about HP 643A (Q5951A) Cyan LaserJet Toner Cartridge:
Not much you can say about toner cartridges. They are all overpriced in my opinion, which is why I gave it 4 instead of 5 stars. If you need excellent quality prints for things like flyers or customer handouts stick with genuine HP. For everyday printing the Quill brand is fine but I have had some bad ones that needed to be returned.
Bottom Line Yes, I would recommend this to a friend