Kyocera TASKalfa 420i, TASKalfa 520i, Service Manual

This service manual for the Kyocera TASKalfa 420i and TASKalfa 520i provides detailed diagrams, pictures, and procedures for diagnosing and repairing the photocopier. It is a valuable resource for both professional mechanics and DIY enthusiasts.

The manual includes comprehensive chapters covering specifications, parts names, installation, maintenance mode, troubleshooting, assembly and disassembly, requirements on PWB replacement, mechanical construction, electrical parts layout, operation of the PWBs, and appendixes.

Under the troubleshooting section, it addresses paper misfeed detection, self-diagnosis, image formation problems, electric problems, mechanical problems, and send error codes. Additionally, it provides precautions for assembly and disassembly, and detailed instructions for detaching and refitting various sections such as the paper feed section, optical section, drum section, developing section, transfer section, fuser section, and others.

Furthermore, it covers upgrading the firmware, adjustment-free variable resistors (VR), and remarks on main PWB and engine PWB replacement. The manual also includes information on the mechanical construction, electrical parts layout, operation of the PWBs, maintenance parts list, maintenance kits, periodic maintenance procedures, and wiring diagrams.

This manual consists of 504 pages and is available in .PDF format, allowing users to print, zoom, or read any diagram, picture, or page as needed.