This is a maintenance manual that introduces the maintenance method of Canon iR2420/2320/2318 series copiers.
This service manual is published by Canon (China) for qualified personnel. It provides technical theory, installation guidance, maintenance instructions, and repair procedures for the iR2420, iR2320, and iR2318 series printers. The manual notes that content may vary by sales region and that updates will be issued when significant changes occur.\n\nThe document is organized into chapters covering an introduction to the system, installation steps, the main controller architecture, the original exposure system, safety guidelines, product specifications, and functional lists such as print speed and copying settings. Detailed diagrams, part numbers, and procedural steps are included to assist technicians in troubleshooting and servicing the equipment. This manual is written in Chinese.
The manual is intended for qualified personnel to learn the product's technical theory, installation, maintenance, and repair.
The manual includes warnings to supervise use to avoid leakage of confidential information and symbols indicating precautions for electric shock and fire hazards.