HP Interface (Product) J2550B is compatible in the following HP Models:

HP Paintjet XL Printer series

HP PAINTJET XL300 PRINTER - C1645A
HP PAINTJET XL300/PS PRINTER - C1656A

HP LaserJet III Printer series

HP LASERJET IIISI PRINTER - 33491A

HP LaserJet 5 Printer series

HP LASERJET 5 PRINTER - C3916A
HP LASERJET 5 REMARKETED PRINTER - C3916AR
HP LASERJET 5M PRINTER - C3917A
HP LASERJET 5M REMARKETED PRINTER - C3917AR
HP LASERJET 5N PRINTER - C3952A
HP LASERJET 5N REMARKETED PRINTER - C3952AR
HP LASERJET 5SE PRINTER - C3082A

HP Deskjet 1600 Printer series

HP DESKJET 1600C PRINTER - C3540A
HP DESKJET 1600C REFURBISHED PRINTER - C3540AR
HP DESKJET 1600CM PRINTER - C3541A
HP DESKJET 1600CM REFURBISHED PRINTER - C3541AR
HP DESKJET 1600CN PRINTER - C3540J
HP DESKJET 1600CN PRINTER - C3540N

HP Deskjet 1200 Printer series

HP DESKJET 1200C/PS PRINTER - C1686A

HP DesignJet 700 Printer series

HP DESIGNJET 700 PRINTER - C4705A
HP DESIGNJET 700 PRINTER (E/A0-SIZE) - C4706A
HP DESIGNJET 700/B PRINTER - C4705B
HP DESIGNJET 700/B PRINTER - C4706B
HP DESIGNJET 700/B REMARKETED PRINTER - C4706BR
HP DESIGNJET 750C PLUS PRINTER - C4708A
HP DESIGNJET 750C PLUS PRINTER (E/A0-SIZE) - C4709A
HP DESIGNJET 750C PLUS REMARKETED PRINTER - C4708BR
HP DESIGNJET 750C PLUS RMKT PRINTER (E/A0-SIZE) - C4709BR
HP DESIGNJET 750C PLUS/B PRINTER - C4708B
HP DESIGNJET 750C PLUS/B PRINTER - C4709B
HP DESIGNJET 750C PRINTER - C3195A
HP DESIGNJET 750C PRINTER (E/A0-SIZE) - C3196A
HP DESIGNJET 755CM PRINTER - C3198A
HP DESIGNJET 755CM PRINTER - C3198B
HP DESIGNJET 755CM REMARKETED PRINTER - C3198BR

HP DesignJet 600 Printer series

HP DESIGNJET 600 PRINTER - C2847A
HP DESIGNJET 600 PRINTER (E/A0-SIZE) - C2848A
HP DESIGNJET 650C PRINTER - C2858A
HP DESIGNJET 650C PRINTER (E/A0-SIZE) - C2859A
HP DESIGNJET 650C PRINTER MODEL B - C2858B
HP DESIGNJET 650C PRINTER MODEL B (E/A0-SIZE) - C2859B
HP DESIGNJET 650C/PS PRINTER - C3791A
HP DESIGNJET 650C/PS PRINTER - C3792A

HP Color LaserJet Original Printer series

HP COLOR LASERJET PRINTER - C3100A

HP Color LaserJet 5 Printer series

HP COLOR LASERJET 5 PRINTER - C3961A
HP COLOR LASERJET 5 REMARKETED PRINTER - C3961AR
HP COLOR LASERJET 5M PRINTER - C3962A
HP COLOR LASERJET 5M REMARKETED PRINTER - C3962AR
HP COLOR LASERJET 5N PRINTER - C3095A