On May 15, Metrofuser announced that it now offers an upgrade kit for the 45 ppm HP LaserJet P4014 monochrome laser printer.Metrofuser is a Roselle, NJ-based remanufacturer and distributor of laser printer parts such as fusers, maintenance kits, boards, and paper-handling assemblies. The company also sells remanufactured laser printers and offers service training for HP,