Soichiro Nishimura

Developer material supplying device for integral type processing unit assembled in electrophotographic type image recording apparatus

Image recording apparatus with rolled protective cover for process unit

Paper powder collector, process cartridge and image forming apparatus

Developing device with partition member of varying length

Printer which utilizes previously used developer

Developer cartridge and recycling method thereof

Particle carrying device for carrying waste particles to a waste particle receptacle

Image forming apparatus having an electrically charged paper dust removing brush

Method of refilling used developing cartridge

Developer unit and method of supplying developer