Q-Connect laser cartridges are filled with the highest quality toner without the prices associated with branded HP cartridges. For just a smidgeon of the price, they provide bright, smooth colour and a crisp even finish which will leave you speechless. Lasting up to 6,000 pages and easy to install, they are a fantastic alternative for those who wish to be good stewards of their budget. This cyan cartridge replaces the HP 507A model and is suitable for the HP Colour LaserJet 500 and M551 Series.