Compatible with HP Designjet T610, T620, T770, T790, T795, T1100, T1100ps, T1120, T1120 SD-MFP, T1120ps, 1200, T1200ps, T1300, T2300, T2300 PostScript Printer
Orange plastic cap and plastic film to protect the printhead nozzle, make sure printing smoothly. Finger and water cant touch the chip, otherwise it is very easy to damage the print head.
72 Printhead with New Updated Chips Compatible for HP Printers For hp 72 Printhead Protection