Patent · US Expired

Image formation apparatus and control method thereof

US6256462A · kind A · utility

6Cited by
3References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1999
Grant dateJul 3, 2001
Priority date
Expiry dateOct 6, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/0005
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image formation apparatus which includes an image formation unit for performing image formation by developing a latent image formed on an image support body in a printing job with use of a development unit and by transferring the developed image onto a fed recording medium, a collection unit for collecting a residual development agent on the image support body into the development unit, a detection unit for detecting a density of the image formed on the image support body, and a control unit for causing the collection unit to perform the residual development agent collection operation, according to the number of image formation of which image density detected by the detection unit exceeds a predetermined image density is provided.

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