HP LaserJet 4000 Printer series
HP LaserJet 4050 Printer series
HP LaserJet 4100 Printer series
HP LaserJet 4200 Printer series
HP LaserJet 4240n Printer
HP LaserJet 4250 Printer series
HP LaserJet 4300 Printer series
HP LaserJet 4350 Printer series