Compatible with the following printer models:
- HP LaserJet 4200
- HP LaserJet 4250
- HP LaserJet 4300
- HP LaserJet 4350
- HP LaserJet Ent M601
- HP LaserJet Ent M602
- HP LaserJet Ent M603
- HP LaserJet Ent M604
- HP LaserJet Ent M605
- HP LaserJet Ent M606
- HP LaserJet Ent M630