The HP 711 Printhead Replacement Kit CZ125A is a replacement printhead for supported HP DesignJet and HP dj studio printers. It is listed for models including the DesignJet T210 24-in, T230 24-in, T630 and T650, as well as the DesignJet Spark 24-in e-Pro and HP dj studio 24 and 36 printers.
This kit is intended for replacing the printhead in those listed printer models. Its product reference is CZ125A, which identifies it as the HP 711 kit.