The Genuine Canon FM1-W171-000 DC CONTROLLER PCB ASS'Y (L2) is a fax board unit specifically designed for the Canon IR-ADV 6555I 120V 3 model. Made in Japan, this unit is a crucial part of maintaining the functionality of a Canon fax machine. With a focus on quality and authenticity, this product ensures compatibility and reliability for your office equipment needs. Perfect for businesses looking to keep their copiers and printers in top condition.