Patent · US Expired

Separation charger for an image forming apparatus

US6173150A · kind A · utility

12Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 1999
Grant dateJan 9, 2001
Priority date
Expiry dateDec 9, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/6535
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes an image bearer for bearing a toner image, transfer device for transferring the toner image on the image bearer to a recording medium, a separating charger for facilitating separation of the recording medium from the image bearer, a detector for detecting an image amount in a predetermined area on the image bearer, the predetermined area corresponding to a predetermined downstream side area from a leading edge of the recording material, and a controller for controlling an application voltage to the separating charger from a leading edge to a trailing edge of the recording material on the basis of the image amount in the predetermined area detected by the detector.

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