This AJ400 Buffer is a high-precision replacement part designed for AJ400 series CIJ inkjet printers. It effectively stabilizes ink pressure, absorbs pulse fluctuations, and ensures smooth and consistent ink flow for stable printing. Made of corrosion-resistant and durable material, it features excellent sealing performance, long service life, and strong compatibility. Precision manufactured to fit AJ400 printers perfectly, it is easy to install and replace. This buffer greatly reduces nozzle clogging and ink splashing, improves printing accuracy and stability, and minimizes downtime for industrial coding and marking production.