HP Maintenance kit. Ensures prints that are sharp and crisp. Renews worn or damaged parts. Includes fuser assembly, transfer roller and feed rollers. Easy to install. Designed for user replacement. For use with LaserJet 4250/4350.Compatible Printers: HP LaserJet 4250 Series, HP LaserJet 4350 Series, HP LaserJet 4350 DTNSL, HP LaserJet 4350 TN, HP LaserJet 4250, HP LaserJet 4250 TN, HP LaserJet 4250 DTNSL, HP LaserJet 4250 N, HP LaserJet 4350 N, HP LaserJet 4350 DTN, HP LaserJet 4250 DTN, HP LaserJet 4350