Epson DLQ-3500II main board (2134681)

Epson DLQ-3500II Main Logic Board Assembly (Part No: 2134681) is the core electronic control unit responsible for managing all print operations, data processing, and communication between internal components of the Epson DLQ-3500II dot matrix printer. This board handles head movement control, print commands, paper feed synchronization, interface communication, error detection, and signal processing, ensuring high-speed and accurate printing performance.

Manufactured with original-grade components, this replacement logic board restores the printer’s operational efficiency, resolving issues such as system failure, print head not moving, communication errors, power-on malfunction, inconsistent print output, or complete printer shutdown. Its design matches OEM engineering specifications, ensuring seamless installation without modification, stable interfacing with motors, sensors, power supply, and printing mechanisms.

Ideal for banking, government departments, billing centers, logistics offices, and industries where continuous, heavy-duty printing is required. Recommended for engineers, service centers, and corporate IT maintenance teams looking for reliable, long-term performance.