hp color LaserJet 3500 (DOT4PRT): It's easy to bring colour into your business with the HP Color LaserJet 3500 printer. Vibrant colour is now possible at the same speed, ease, and affordability you're used to with black-only printing. Print 12 ppm in colour and black-and-white, and enjoy the professional quality of HP's ImageREt 2400 printing technology. It's simple to use and maintain with just four print cartridges. The all-in-one supplies are designed to be fast and efficient, and reduce the amount of supplies that need to be ordered and maintained. Great colour, great quality, great value.