(19)
(11) EP 0 351 894 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.11.1990 Bulletin 1990/45

(43) Date of publication A2:
24.01.1990 Bulletin 1990/04

(21) Application number: 89117530.9

(22) Date of filing: 27.05.1987
(51) International Patent Classification (IPC)5G03G 15/00
(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 28.05.1986 JP 79541/86 U
13.10.1986 JP 242597/86
28.11.1986 JP 281698/86

(62) Application number of the earlier application in accordance with Art. 76 EPC:
87107742.6 / 0247602

(71) Applicant: MITA INDUSTRIAL CO., LTD.
Osaka 540 (JP)

(72) Inventors:
  • Takamatsu, Junichi
    Sennan-gun Osaka-fu (JP)
  • Akiyama, Kazunori
    Suita-shi Osaka-fu (JP)

(74) Representative: Beetz & Partner Patentanwälte 
Steinsdorfstrasse 10
80538 München
80538 München (DE)


(56) References cited: : 
   
       


    (54) Image-forming machine


    (57) An image-forming machine comprising a main body (204) of the image-forming machine and a process unit (210) to be detachably mounted on the main body (204), said process unit (210) including a process unit frame (216) to be mounted on the main body (204) and an image bearing member (222) mounted on the process unit frame (216) and adapted to be moved in a predetermined direction, wherein an image-forming area (224) on which to form an image exists on a greater portion of the surface of the image bearing member (222) and a non-image-forming area (226) on which substantially no image is to be formed exists in the remainder of said surface, a transfer opening (292) for bringing a sheet material into intimate contact with the image-forming area (224) of the image bearing member (222) is formed in the process unit frame (216), and said machine is constructed such that when an image-forming step is over, the non-image-forming area (226) of the image bearing member (222) is positioned at the transfer opening (292) of the process unit (210).







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