This ink supply station (ISS) is compatible with Designjet 500, 800, 800ps, 815, and 820 plotters.It replaces part numbers C7769-60373, C7769-60148, and C7769-40233.The unit supports continuous ink flow for stable printing performance and installs directly into the designated plotter models.It works with standard ink cartridges and is suitable for environments requiring large format output.