This document pertains to the Canon iR4570, iR3570, iR2870, and iR2270 series of copiers and printers. These devices are engineered for efficiency and reliability, featuring laser printing technology with a resolution of up to 1200 x 1200 dpi. They offer versatile paper handling capabilities, supporting sizes from A5 to A3 with a standard capacity of 1100 sheets, expandable to 4700. Automatic duplex printing enhances productivity, while network connectivity via Ethernet and scan-to-network/email functionalities streamline document workflows. The monochrome toner system ensures consistent output for demanding office environments.

This Factory Service Manual provides comprehensive technical information for the Canon iR4570/iR3570/iR2870/iR2270 models. It covers essential maintenance procedures, detailed disassembly and assembly instructions, and troubleshooting guides to address operational issues. The manual is designed to assist owners, technicians, and service personnel in maintaining the optimal performance and longevity of these machines. By offering in-depth knowledge of the copier/printer systems, this resource ensures effective upkeep and repair.