Hideyuki Nanba

Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus

Paper transport mechanism

Developing cartridge for copier

Sheet-size detection mechanism for sheet cassettes and image-forming-apparatus using the same

Toner image transferring device including transfer charger and AC charge eliminator crystal display device

Developer cartridge and image forming device using it

Method for exchanging developer for recorder

Heat roller type toner image fixing device having cleaning roller

Two-sided printing apparatus

Sheet size identification appts. and display for cassettes in printer or copier - has manual dial on cassette for setting and indicating paper size, and detects setting when loaded into housing