Patent · US Expired

Image forming apparatus having fixing apparatus with cleaning device

US6026272A · kind A · utility

15Cited by
38References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1998
Grant dateFeb 15, 2000
Priority date
Expiry dateFeb 20, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/2038
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus comprising an image forming unit for forming a non-fixed toner image on a recording material, a heater for heating the non-fixed toner image, a back-up member for cooperating with the heater to form a nip therebetween, the back-up member pinching and conveying the recording material at the nip in such a manner that the non-fixed toner image is contacted with the heater so that the non-fixed toner image is fixed to the recording material by heat from the heater, and a cleaning member for cleaning the back-up member. The cleaning member is brought into a first and second cleaning mode in which an image forming operation is not effected and the back-up member is cleaned, the second cleaning mode having a cleaning time longer than a cleaning time of the first cleaning mode.

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