This Fastjet Type F A400 Upper Mixing Tank Assembly (A4) Y is a high-quality replacement component for Fastjet A400 CIJ inkjet printers. It ensures stable ink and solvent mixing, reliable sealing, and consistent internal pressure for smooth printing. Precision-engineered for perfect fit and durability, it offers excellent compatibility and long service life. Easy to install and replace, it effectively reduces downtime, prevents leakage, and maintains stable operation of your coding and marking production line.