This comprehensive technical parts manual is an essential resource for anyone working with the Canon NP6521 copier. Developed and used by trained Canon engineers, it provides detailed information on all components of the machine. The manual includes clear and informative part location diagrams, detailed descriptions of each part, and official Canon part numbers. With this manual, you'll have easy access to all the information you need to identify and order the correct replacement parts for your Canon NP6521 copier, ensuring efficient and effective repairs.