Compatible Printers:
HP LaserJet:
HP LaserJet Pro M203d
HP LaserJet Pro M203dn
HP LaserJet Pro M203dw
HP LaserJet Pro MFP M227fdn
HP LaserJet Pro MFP M227fdw
HP LaserJet Pro MFP M227sdn
Change the drum unit after 4 to 5 toner cartridge usage. Take supply status page to see the status of drum unit .