This Fastjet Type F A400 Solvent & Ink Level Sensor is a high‑precision replacement part for Fastjet A400 series CIJ inkjet printers. It accurately detects ink and solvent levels, ensuring stable ink supply and preventing empty running damage. Featuring high sensitivity, stable signal, and strong corrosion resistance, it offers reliable performance and long service life. Precision manufactured for perfect compatibility with A400 printers, it is easy to install and replace. This level sensor effectively improves printing stability, reduces downtime, and supports efficient industrial coding and marking production.