This A400 Phase Detector is a high-precision sensing component for A400 series CIJ inkjet printers. It accurately detects and feeds back phase signals, ensuring stable ink droplet charging and deflection for clear and consistent printing. Made of premium electronic components with high sensitivity and strong anti-interference ability, it delivers stable performance and long service life. Precision engineered for perfect compatibility with A400 printers, it is easy to install and replace. This phase detector effectively improves printing accuracy and system stability, reduces failures and downtime, supporting reliable industrial coding and marking production.