HP
Q7720AX
is compatible in the following HP Models:
HP LaserJet 9000 Printer series
HP LASERJET 9040DN PRINTER - Q7699A
HP LASERJET 9040DN REFURBISHED PRINTER - Q7699AR
HP LASERJET 9040N PRINTER - Q7698A
HP LASERJET 9040N REFURBISHED PRINTER - Q7698AR
HP LASERJET 9050 PRINTER - Q3721A
HP LASERJET 9050DN PRINTER - Q3723A
HP LASERJET 9050DN REFURBISHED PRINTER - Q3723AR
HP LASERJET 9050N PRINTER - Q3722A
HP LASERJET 9050N REMARKETED PRINTER - Q3722AR