(19)
(11) EP 0 395 061 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.09.1991 Bulletin 1991/37

(43) Date of publication A2:
31.10.1990 Bulletin 1990/44

(21) Application number: 90107957.4

(22) Date of filing: 26.04.1990
(51) International Patent Classification (IPC)5: G03G 15/16, G03G 9/08
(84) Designated Contracting States:
AT BE CH DE ES FR GB IT LI LU NL SE

(30) Priority: 27.04.1989 JP 111006/89
19.07.1989 JP 184421/89
19.07.1989 JP 184422/89

(71) Applicant: CANON KABUSHIKI KAISHA
Tokyo (JP)

(72) Inventors:
  • Kukimoto, Tsutomu
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)
  • Yusa, Hiroshi
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)
  • Tomiyama, Koichi
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)
  • Takiguchi, Tsuyoshi
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)
  • Imai, Eiichi
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)
  • Kuribayashi, Tetsuya
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)
  • Ochi, Hisayuki
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)
  • Suematsu, Hiroyuki
    3-30-2, Shimomaruko, Ohta-ku, Tokyo (JP)

(74) Representative: Bühling, Gerhard, Dipl.-Chem. et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
80336 München
80336 München (DE)


(56) References cited: : 
   
       


    (54) Image forming method and image forming apparatus


    (57) An image forming method, including the steps of: developing an electrostatic image formed on an electrostatic image-bearing member with a developer to form thereon thereon a developed image, the developer comprising 100 wt. parts of a toner and 0.05 to 3 wt. parts of fine powder treated with a silicone oil or silicone varnish; and transferring the developed image on the electrostatic image-bearing member to a transfer material while causing a transfer means to contact the electrostatic image-bearing member by the medium of the transfer material under a line pressure of 3g/cm or higher.





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