Patent · US Expired

Image forming apparatus

US6807390B2 · kind B2 · utility

20Cited by
19References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 2003
Grant dateOct 19, 2004
Priority date
Expiry dateApr 3, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G21/0035
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes a plurality of photoreceptors and an intermediated transfer body through which toner images on the photoreceptors are transferred to a recording medium. The image forming apparatus also includes charging members provided in contact with or adjacent to the respective photoreceptors, and further includes at least one cleaning unit that contacts the charging member and removes foreign substance from the surface of the charging member.

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