This document is a maintenance manual published in December 2003, which mainly introduces the maintenance methods and precautions of the 842FH110 2FH70760 FS-9120DN FS-9520DN model copier.
This service manual provides detailed instructions for repairing Kyocera FS-9120DN and FS-9520DN printers. It includes safety guidelines, disassembly steps, and troubleshooting procedures.
The document also lists replacement parts such as the fuser unit, heater, and controller, and describes optional accessories and configuration options.