This manual covers the Canon EOS Digital Rebel XTi, EOS 400D, and EOS Kiss Digital X camera models. These digital cameras are designed for photography enthusiasts seeking high-quality imaging capabilities and user-friendly operation. Their robust construction and advanced digital technology ensure reliable performance for a wide range of photographic applications, from everyday snapshots to more creative endeavors.

The purpose of this service manual is to provide comprehensive guidance for the maintenance, repair, and technical understanding of the covered Canon EOS digital camera models. It includes essential sections such as preface, general information, technical data, repair procedures, and adjustment instructions. This resource is intended to assist owners, technicians, and service professionals in effectively diagnosing issues and performing necessary upkeep to ensure optimal camera functionality.