Patent · US Expired

Image forming apparatus including a process cartridge formed with a hole

US7305203B2 · kind B2 · utility

7Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 2005
Grant dateDec 4, 2007
Priority date
Expiry dateNov 10, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/183
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes at least one process cartridge removably mounted on an apparatus body and including at least an image carrier on which a toner image is to be formed and a cleaning device configured to remove toner left after image transfer with a cleaning blade. A hole for passing a light beam emitted from an optical writing unit toward the image carrier therethrough is formed in part of a case bottom wall of the process cartridge higher in level than part of the case bottom wall below the cleaning blade.

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