compatible with the following HP printers: HP LaserJet 4200 HP LaserJet 4200d HP LaserJet 4200dn HP LaserJet 4200dtn HP LaserJet 4200n HP LaserJet 4250 HP LaserJet 4250d HP LaserJet 4250dn HP LaserJet 4250dtn HP LaserJet 4250n HP LaserJet 4300 HP LaserJet 4300d HP LaserJet 4300dn HP LaserJet 4300dtn HP LaserJet 4300n These printers are compatible with the HP 05A toner cartridge for high-quality black-and-white printing. 4o mini
