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IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

  • US 20110123236A1
  • Filed: 09/28/2010
  • Published: 05/26/2011
  • Est. Priority Date: 11/20/2009
  • Status: Active Grant
First Claim
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1. An image forming apparatus comprising:

  • an image carrier that carries an image;

    a transfer roller that includes a gripping member for gripping or releasing a transfer medium, and transfers the image carried on the image carrier to the transfer medium through a transfer nip formed in contact with the image carrier via the transfer medium;

    a suction guide portion that includes a suction unit for suctioning the transfer medium released from the gripping member, and suctions and guides the transfer medium transferred the image, vertically upward through the suction unit with a plane transferred the image of the transfer medium being directed vertically downward; and

    a transfer medium transporting section that includes a suction member for suctioning the transfer medium guided by the suction guide portion and transports the transfer medium while suctioning the transfer medium by the suction member, the transfer medium transporting section being configured such that a position of starting to suction the transfer medium is arranged at a position having the following relationship with respect to a position of releasing the transfer medium from the gripping member and a position at which the image carrier is separated from the transfer medium;


    L<

    L
    1+L2where L is a distance that links the position at which the image carrier and the transfer medium are separated from each other, and the position at which the transfer medium transporting section starts to suction the transfer medium,L1 is a distance that links the position at which the image carrier and the transfer medium are separated from each other, and the position at which the gripping member releases the transfer medium, andL2 is a distance that links the position at which the gripping member releases the transfer medium, and the position at which the transfer medium transporting section starts to suction the transfer medium.

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