EPSON - Epson Perfection4870Photo Diagram

Comprehensive parts diagram and service manual for EPSON GT-X700 and Perfection 4870 Photo and 4870 Pro document scanners. This technical reference presents detailed assembly schematics and component identification across four major sections covering the complete internal architecture of these scanning devices. The manual includes exploded-view diagrams that clearly distinguish electrical connectors for both 100V and 220V AC models, exposure platforms, document frames with systematic part numbering and cross-references, and full chassis and top cover assembly sequences. Separate sections address the optical scanning path and mechanical positioning systems, including sensor calibration and registration mechanisms essential for accurate document capture. Every component is numbered and labeled consistently throughout to enable straightforward identification and parts ordering. Technical illustrations use isometric perspective views that show how each part relates spatially within the final assembly, making component location and replacement procedures clear at a glance. An indispensable workshop reference for maintenance technicians, repair centers, and parts distributors who need accurate component identification for troubleshooting and repair work on these scanner models.