JP2009198568A5 - - Google Patents

Claims (8)

A first fixing roller having a contact angle with respect to the liquid developer of θ1 and thermally fixing the transfer material onto which the image developed with the liquid developer has been transferred;
A second fixing roller having a contact angle with respect to the liquid developer of θ2 and thermally fixing the transfer material fixed by the first fixing roller;
With
The first contact angle θ1 and the contact angle θ2 are
θ1 <θ2
A fixing device having the following relationship: Said first fixing roller has a surface layer, said surface layer Material is nitrogen, oxygen, benzene, fixing device according to claim 1 is a rubber or resin comprising at least one of a sulfur atom. The second fixing roller has a surface layer, said surface layer Material is fluorine resin, fluorine rubber, a fixing device according to claim 1 or 2 which is either of the silicone rubber.   The fixing device according to claim 1, wherein the liquid developer is obtained by dispersing solid toner particles in a mineral oil carrier. The fixing device according to claim 1, further comprising a blade that abuts in a trail direction with respect to a rotation direction of the first fixing roller. Wherein the first said contact angle magnitude have contact angles than θ1 of the fixing roller of the fixing device according to claim 1, having a roller which abuts against the first fixing roller. A transfer belt to which an image developed with a liquid developer is transferred;

  A transfer portion for transferring the image transferred to the transfer belt to a transfer material;
  A first fixing roller that heats the transfer material with a contact angle with respect to the liquid developer of θ1, and a first pressure roller that presses the first fixing roller through the transfer material; A first fixing unit for fixing the material by heating;
  A contact angle with respect to the liquid developer is θ2, and a second fixing roller that thermally fixes the transfer material fixed by the first fixing roller, and a second pressure that presses the second fixing roller through the transfer material. A second fixing unit that heat-fixes the transfer material,
  With
  The first contact angle θ1 and the contact angle θ2 are
  θ1 <θ2
  An image forming apparatus having the following relationship: A carrier recovery mechanism having a transfer belt squeeze roller that squeezes the transfer belt in contact with the transfer belt to which the image has been transferred;
  The contact angle θ3 of the transfer belt squeeze roller with respect to the liquid developer is
  θ3 <θ2
  The image forming apparatus according to claim 7, having the relationship: