JP2007057900A5

JP2007057900A5 -

Info

Publication number: JP2007057900A5
Application number: JP2005244054A
Authority: JP
Filing date: 2005-08-25
Publication date: 2008-09-25

Claims

A first heating roller heated to a first temperature;
  A first pressure roller that is pressed against the first heating roller with a first pressure;
  A second heating roller that heats the transfer material heated by the first heating roller to a second temperature higher than the first temperature;
  A second pressure roller that is pressed against the second heating roller with a second pressure lower than the first pressure;
  A fixing device.

The fixing device according to claim 1, wherein the first heating roller includes an oil absorption layer and a porous release layer in the oil absorption layer.

The fixing device according to claim 2, wherein the oil absorption layer is made of silicone rubber.

The fixing device according to claim 2, wherein the porous release layer is PTFE having a hole.

5. The fixing device according to claim 1, further comprising: a blade that contacts the first heating roller; and a collection container that stores the collected material collected by the blade.

The fixing device according to claim 1, further comprising a film member wound around the first heating roller and the second heating roller.

The fixing device according to claim 6, wherein the film member is made of polyimide coated with PFA.

A photoreceptor,
  A developing unit having a developing roller for developing the photoreceptor with liquid toner;
  A transfer unit for transferring the image developed in the developing unit to a transfer material;
  A first heating roller that heats the transfer material transferred at the transfer portion at a first temperature, and a first heating roller that presses against the first heating roller to form a fixing nip with the first heating roller and a first pressure. A pressure roller, a second heating roller for heating the transfer material heated by the first heating roller to a second temperature higher than the first temperature, and the second heating roller by pressing against the second heating roller And a fixing unit having a second pressure roller that forms a fixing nip having a second pressure lower than the first pressure,
  An image forming apparatus comprising:

The image forming apparatus according to claim 8, wherein the first heating roller includes a carrier liquid absorption layer and a porous release layer disposed on the carrier liquid absorption layer.

10. The image forming apparatus according to claim 8, further comprising: a liquid carrier recovery blade that contacts the first heating roller; and a liquid carrier recovery container that stores the carrier liquid recovered by the liquid carrier recovery blade.