Image forming apparatus with improved image retainer cleaning means
March 15, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3552850 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 InventorsAssigneeApplicationNo. 494161 filed on 03/15/1990US Classes:347/130, Light emitting diodes347/140, Developer or charger mechanism399/169Having selection of area to be chargedExaminersPrimary: Fuller, Benjamin R.Assistant: Gibson, Randy W. Attorney, Agent or FirmInternational ClassG01D 015/14Foreign Application Priority Data1989-03-17 JPAbstractAn 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. | |
