Developing electrode contamination prevention system for electrophotography
Developing unit for electrophotography
Image forming apparatus having means for preventing damage to a photosensitive member
Discharging apparatus and method for use in a copying machine
Corona discharging device for an electrophotographic apparatus
Electrophotographic apparatus having abraded surface photosensitive member
Method and apparatus for color electrophotography
Device for removing defective developer agent from a developing unit of an image formation apparatus Patent #: 4962408
ApplicationNo. 494161 filed on 03/15/1990
US Classes:347/130, Light emitting diodes347/140, Developer or charger mechanism399/169Having selection of area to be charged
ExaminersPrimary: Fuller, Benjamin R.
Assistant: Gibson, Randy W.
Attorney, Agent or Firm
International ClassG01D 015/14
Foreign Application Priority Data1989-03-17 JP
AbstractAn image forming apparatus wherein a toner image is formed in a non-image area on an image retainer and a toner is attached to a cleaning blade for cleaning residual toner by cleaning the toner image by the cleaning blade. The toner image is shaped in a slender line, a stripe, or the like. The toner image is formed every image forming process.