Patent · US Active

Image forming apparatus having toner image forming device

US7792458B2 · kind B2 · utility

4Cited by
3References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 9, 2008
Grant dateSep 7, 2010
Priority date
Expiry dateNov 27, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/1618
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes a toner image forming device configured to form a toner image on an image conveying member, a detector configured to optically detect a density of the toner image on the image conveying member, a controller configured to control an image forming condition of the toner image forming device based on an output of the detector, a shutter configured to open and close an optical window of the detector, wherein the image forming apparatus is operable in a cleaning mode of the shutter in which an opening and closing movement of the shutter is repeatedly executed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.