摘要:
The fixing device includes: a fixing member including a conductive layer capable of self-heating by electromagnetic induction; a drive unit rotationally driving the fixing member; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; a fixation pressing member movable so as to come into pressure contact with an outer circumferential surface of the fixing member and to separate from the outer circumferential surface; and a temperature measurement unit that includes a temperature detector and a support portion, that measures temperature of the fixing member with the temperature detector which is pressed by the support portion to be brought into contact with an inner circumferential surface of the fixing member, and that holds a contact state between the temperature detector and the inner circumferential surface in every state where the fixing member is displaced in accordance with movement of the fixation pressing member.
摘要:
The fixing device includes: a fixing member including a conductive layer capable of self-heating by electromagnetic induction; a drive unit rotationally driving the fixing member; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; a fixation pressing member movable so as to come into pressure contact with an outer circumferential surface of the fixing member and to separate from the outer circumferential surface; and a temperature measurement unit that includes a temperature detector and a support portion, that measures temperature of the fixing member with the temperature detector which is pressed by the support portion to be brought into contact with an inner circumferential surface of the fixing member, and that holds a contact state between the temperature detector and the inner circumferential surface in every state where the fixing member is displaced in accordance with movement of the fixation pressing member.
摘要:
The fixing device includes: a fixing member that includes a conductive layer capable of heating by electromagnetic induction; a magnetic field generating member that generates an alternate-current magnetic field intersecting with the conductive layer of the fixing member; plural magnetic path forming members that form a magnetic path of the alternate-current magnetic field generated by the magnetic field generating member; a support member that supports the magnetic field generating member; an elastic support member that is arranged between the magnetic field generating member and the plural magnetic path forming members so as to be in contact with the plural magnetic path forming members; and a pressing member that presses the plural magnetic path forming members toward the magnetic field generating member.
摘要:
The fixing device includes: a fixing member including a conductive layer, and fixing toner on a recording medium by heat generation of the conductive layer by electromagnetic induction; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; and a magnetic path forming member that has an outer circumferential surface arranged to be in contact with an inner circumferential surface of the fixing member, that forms a magnetic path of the alternate-current magnetic field generated by the magnetic field generating member, and that includes: a magnetic layer having a changing range within a temperature range of about 20 degrees C., the changing range allowing a magnetic property of the magnetic layer to change between ferromagnetic and a paramagnetic properties in accordance with temperature; and an outer circumferential layer made of any one of or both chromium nitride as CrN and chromium nitride as Cr2N.
摘要:
Fixing device includes a first cylindrical rotating member having an inner peripheral surface and an outer peripheral surface; a second rotating member which is brought into contact with the first rotating member; magnetic field generation units for generating a magnetic field, the magnetic field generation units being provided at a predetermined distance from the inner or outer peripheral surface of the first rotating member; and a heat generation member that generates heat by a magnetic field, the heat generation member being provided so as to be opposed to the magnetic field generation units across the first rotating member and to be in contact with the first rotating member, having a thickness larger than a skin depth, and containing a magnetic metal material.
摘要:
Fixing device includes a first cylindrical rotating member having an inner peripheral surface and an outer peripheral surface; a second rotating member which is brought into contact with the first rotating member; magnetic field generation units for generating a magnetic field, the magnetic field generation units being provided at a predetermined distance from the inner or outer peripheral surface of the first rotating member; and a heat generation member that generates heat by a magnetic field, the heat generation member being provided so as to be opposed to the magnetic field generation units across the first rotating member and to be in contact with the first rotating member, having a thickness larger than a skin depth, and containing a magnetic metal material.
摘要:
A roller includes: a columnar metal core; and a layer that covers, to a predetermined thickness, an outer circumferential surface of the metal core, the layer including bubbles inside, and being provided with one or more cuts penetrating the bubbles through each of end surfaces of the layer.
摘要:
A fixing apparatus for fixing an unfixed image on a recording material includes: a heating member having a conductive layer, that is rotatably provided; a pressure member that is rotatably provided and that is brought into press-contact with the heating member, thereby forms a fixing nip part to pass the recording material between the pressure member and the heating member; a heating unit that performs induction heating on the heating member via the conductive layer; a driving unit that rotates the heating member; and an attachment/separation unit that attaches or separates the heating member to/from the pressure member.
摘要:
A roller includes: a columnar metal core; and a layer that covers, to a predetermined thickness, an outer circumferential surface of the metal core, the layer including bubbles inside, and being provided with one or more cuts penetrating the bubbles through each of end surfaces of the layer.
摘要:
A fixing apparatus for fixing an unfixed image on a recording material includes: a heating member having a conductive layer, that is rotatably provided; a pressure member that is rotatably provided and that is brought into press-contact with the heating member, thereby forms a fixing nip part to pass the recording material between the pressure member and the heating member; a heating unit that performs induction heating on the heating member via the conductive layer; a driving unit that rotates the heating member; and an attachment/separation unit that attaches or separates the heating member to/from the pressure member.