220-volt Image Fuser Kit are designed to work precisely with Hewlett-Packard Color LaserJet 4600 Printer series for outstanding results in its highly advanced printing system. The fusing assembly in your HP device bonds toner to paper through a combination of heat and pressure. Unit is easy to install via front panel access. Fewer consumables are needed with long-life replacement kits. This kit yields approximately 150,000 pages based on 5 percent average coverage.