HP Paper HPJ115R is compatible in the following HP Models:

HP LaserJet 9000 Printer series

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

HP LaserJet 9000 Multifunction Printer series

HP LASERJET 9040 MULTIFUNCTION PRINTER - Q3726A
HP LASERJET 9040 REMARKETED MULTIFUNCTION PRINTER - Q3726AR
HP LASERJET 9050 MULTIFUNCTION PRINTER - Q3728A
HP LASERJET 9050 REMARKETED MULTIFUNCTION PRINTER - Q3728AR

HP LaserJet 4000 Multifunction Printer series

HP LASERJET 4345 MULTIFUNCTION PRINTER - Q3942A
HP LASERJET 4345X MULTIFUNCTION PRINTER - Q3943A
HP LASERJET 4345XM MULTIFUNCTION PRINTER - Q3945A
HP LASERJET 4345XS MULTIFUNCTION PRINTER - Q3944A

HP LaserJet 3000mfp/All-in-One Printer series

HP LASERJET 3380 ALL-IN-ONE PRINTER - Q2660A

HP LaserJet 2000 Printer series

HP LASERJET 2420 PRINTER - Q5956A
HP LASERJET 2420D PRINTER - Q5957A
HP LASERJET 2420DN PRINTER - Q5959A
HP LASERJET 2430DTN PRINTER - Q5962A
HP LASERJET 2430TN PRINTER - Q5961A

HP Color LaserJet CP3500 Printer series

HP COLOR LASERJET CP3505 PRINTER - CB441A
HP COLOR LASERJET CP3505DN PRINTER - CB443A
HP COLOR LASERJET CP3505N PRINTER - CB442A
HP COLOR LASERJET CP3505X PRINTER - CB444A

HP Color LaserJet 2000 All-in-One Printer series

HP COLOR LASERJET 2820 ALL-IN-ONE PRINTER - Q3948A
HP COLOR LASERJET 2820 ALL-IN-ONE PRINTER - Q3948AR
HP COLOR LASERJET 2840 ALL-IN-ONE PRINTER - Q3950A
HP COLOR LASERJET 2840 ALL-IN-ONE PRINTER - Q3950AR