Patent · US Expired

Image forming apparatus with two transfer means

US5826143A · kind A · utility

12Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1997
Grant dateOct 20, 1998
Priority date
Expiry dateMar 21, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/3292
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image forming apparatus for forming images corresponding to image data of plural pages. The apparatus includes: a photoreceptor; a toner image former for forming a toner image on the photoreceptor in correspondence with the image data; a toner image receiving body for receiving the toner image from the toner image former and for carrying the toner image; the first transfer means for transferring the toner image on the photoreceptor onto one side surface of a transfer sheet; the second transfer means for transferring the toner image on the toner image receiving body onto the other side surface of the transfer sheet; a fixer for fixing the toner image, being transferred onto the transfer sheet, on the transfer sheet; a discharger, having plural discharging modes, for discharging the transfer sheet; and a control means for controlling the toner image former; wherein the control means arranges a combination of a first toner image formation onto the transfer sheet, being performed with the photoreceptor and the first transfer means, and second toner image formation onto the transfer sheet, being performed with the toner image receiving body and the second transfer means, in response …

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