Abstract: A fixing device includes a magnetic-field-producing member producing an alternating-current magnetic field, a fixing belt that is heated by electromagnetic induction caused by the alternating-current magnetic field and fixes toner on a recording material, and a pressure applying member pressed against the fixing belt and forming a press-fixing part therebetween through which the recording material having an unfixed image is transported. The fixing belt includes a metal body that is a stack of at least three layers including a base layer and a protective layer both made of metal, and a conductive layer provided between the base layer and the protective layer and to be heated by electromagnetic induction. In a section of the fixing belt taken in a thickness direction, the metal body has its neutral axis on a side of the protective layer with respect to a thickness center line thereof and in the protective layer.

Abstract: A power supply control device includes a moving object detecting unit and a power supply unit. The moving object detecting unit is attached to a processing apparatus body including power supply targets and a controller, and is capable of detecting a moving object moving in the vicinity of the processing apparatus body. The moving object detecting unit has a lower detection range for detecting a part of a moving object that is substantially in contact with the floor, and an upper detection range for detecting a top part of a moving object. The power supply unit is included in the controller and is always supplied with power to monitor approach of a moving object with the moving object detecting unit. The power supply unit supplies, upon the moving object detecting unit detecting a moving object, power to a power supply target that includes a part of the controller.

Abstract: A power supply control device includes a power supply controller that selectively performs a power supply mode and a power saving mode, a detector that detects a moving body in a predetermined range in the vicinity of the processor, a power supply mode change instruction unit that changes an operation mode from the power saving mode to the power supply mode when the detector detects the moving body, an information history unit that acquires information related to an operation for the processor in the power supply mode, and a sensitivity adjusting unit that adjusts a detection sensitivity of the detector for the moving body on the basis of the information acquired by the information history unit for a period from a change of the operation mode from the power saving mode to the power supply mode to a change of the operation mode to a next power saving mode.

Abstract: A power supply control device includes a user interface unit including a touch panel unit that has a display function and an input function and a backlight unit, a control unit that controls the process of a processing apparatus body, at least two types of moving body detecting units that are capable of detecting a moving body and have at least relatively short and long detectable distances, a stepwise power supply unit that supplies power to the control unit when one moving body detecting unit with a short detection distance starts detection at the time when the other movement detecting unit with a long detection distance detects the moving body and detects the moving body, and an adjustment unit that, when the one moving body detecting unit does not detect the moving body, first adjusts the brightness of the backlight unit to predetermined brightness less than normal brightness.

Abstract: A fixing device includes a fixing member that is rotatably provided and heats an image formed on a recording material to fix the image to the recording material, a contact member that moves the recording material by being rotationally driven while coming into contact with the fixing member, and is provided to be separated from the fixing member, and a rotating member that is mounted on the contact member, is disposed to come into contact with the fixing member while the contact member is separated from the fixing member, rotates while interlocking with the contact member, transmits a rotational driving force from the contact member to the fixing member, and rotates with respect to the contact member when the fixing member is rotated by an external force and a rotational driving force is transmitted to the rotating member from the fixing member.

Abstract: A moving object detecting device includes a detecting device body that includes a detection unit formed in a chassis covering the inside of an apparatus and disposed to correspond to a monitoring window of which at least an aperture area or an aperture size is restricted and which monitors a moving object approaching the apparatus and a circuit board unit controlling a signal output from the detection unit and is disposed so that some optical axes among optical axes having detection surfaces of plural infrared detecting elements included in the detection unit, as focal points passes through the monitoring window and the other optical axes are blocked by the chassis, and an optical member that is formed in an inner wall of the chassis and that deflects the other optical axes of the infrared detection elements to pass through the monitoring window.

Abstract: Provided is a power supply control device including a first power supply which is a power supply source of an operating unit and a main control unit, a second power supply which supplies minimum necessary power to create a power-saving state, a switching unit that switches to a power supply source selected from the first and second power supplies, a receiving unit that receives an external request signal, a determining unit that determines whether the external request signal is a switching request signal or a recovery request signal, a switching controller that switches the power supply source to the first power supply when a power-saving state is created, and the external request signal is the switching request signal, and a recovery unit that recovers at least the main control unit when the recovery request signal is received within a predetermined period after the power supply source is switched.

Abstract: A fixing device includes a fixing unit, a power supply unit, a pressure applying unit, and a controller. The fixing unit fixes toner onto a recording medium, using heat generated by a heat generator. The power supply unit supplies power to drive the fixing unit. The pressure applying unit applies pressure to the recording medium in a nip part between the pressure applying unit and the fixing unit. When plural recording media are sequentially transported, the controller controls the power supply unit to supply power during a first time period from when a trailing edge of one of the recording media passes the nip part to when a leading edge of the subsequent recording medium arrives at the nip part, in accordance with a relationship between the first time period and a second time period required to start the supply of power after the supply of power is stopped.

Abstract: A fixing device includes a fixing unit, a power controller, a pressure applying unit, and a timing controller. The fixing unit fixes toner onto a recording medium transported in a determined transport direction, by using heat generated by a heat generator. The power controller controls supply of power for heating the fixing unit. The pressure applying unit applies pressure to the recording medium in a nip part formed between the pressure applying unit and the fixing unit. The timing controller controls the power controller to start supply of the power at a time which is a determined time period prior to an arrival time at which a leading edge of the recording medium in the transport direction arrives at the nip part.

Abstract: A fixing device includes a fixing member including a heat generating layer that generates heat by induction, the fixing member fixing images onto plural recording media that are successively supplied thereto with heat generated from the heat generating layer; a pressure member that contacts the fixing member and forms a nip between the pressure member and the fixing member, the nip allowing the recording media to pass therethrough; an induction heating unit that inductively heats the heat generating layer of the fixing member; and a controller that controls a manner in which the induction heating unit heats the heat generating layer when the plural recording media successively pass through the nip in accordance with a total of times during which the recording media are not present in the nip, the total of times being measured from when the recording media started passing through the nip.

Abstract: A fixing device includes a fixing member that has a conductive layer capable of being heated by electromagnetic induction and fixes an image to the recording material; a magnetic-field generator that generates an alternating magnetic field intersecting with the conductive layer of the fixing member; a heating member that is at least partly separated from the fixing member and is heated; and a deformable member that is deformed when receiving heat and moves the heating member toward the fixing member.

Abstract: A fixing device includes a first rotation member, a fixing member, a determining unit, and a magnetic field generating unit. The first rotation member rotates around a first axis. The fixing member includes a second rotation member which rotates around a second axis while being in contact with the first rotation member, and which generates heat by using electromagnetic induction in an alternating-current magnetic field. The fixing member fixes an image onto a medium in a region where the first rotation member and the second rotation member come into contact with each other. The determining unit determines whether or not a current state is a certain state where the medium or an image formed on the medium is passing through the region. The magnetic field generating unit generates an alternating-current magnetic field in a space including the second rotation member.

Abstract: An image forming apparatus includes an image forming section that forms an image on a recording material; an operating section that is operated by a person; a first detecting portion that detects a person in a predetermined first area; a second detecting portion that detects the person in a second area that is smaller than the first area, the second area being separated from the first area or a portion of the second area overlapping the first area when viewed from above; and a switching unit that switches between a first condition in which the image forming apparatus consumes a first amount of electric power and a second condition in which the image forming apparatus consumes a second amount of electric power.

Abstract: Disclosed is a power supply control apparatus including plural processing units, a mobile body detection unit, a determination unit, a transition unit, a mobile body confirmation unit, and a controller that controls the transition unit such that states of all of the processing units transit to the powered-off state when a result of confirmation in the mobile body confirmation unit represents absence and controls the transition unit such that the states of the plural processing units selectively and individually transit to the powered-off state when a result of confirmation in the mobile body confirmation unit represents presence.

Abstract: A heating rotator that is used for heating a developer on a recording medium has a cylindrical body that is made of a metal and both end portions of the cylindrical body is rotatably supported. The cylindrical body has a thick-walled portion at both end portions that is thicker than a center portion in an axial direction of the cylindrical body, and a cross-sectional shape of the heating rotator changes from the end portions toward the center portion in a pressure area of an outer peripheral surface to which pressure is applied by a pressure rotator.

Abstract: A heating device includes: a heating member heating a recording medium by being heated through electromagnetic induction; a pressure member configured to come into contact with and separate from the heating member, and forming a nip portion between the pressure member and the heating member by pressing and coming into contact with the heating member; a first elastic member arranged inside the heating member, and elastically deformed at the nip portion by the pressure member; and any one of a second elastic member and a support member. The second elastic member is arranged between the first elastic member and the heating member while being fixed thereto, and has a larger elastic deformation ratio at the nip portion than the first elastic member. The support member supports the heating member and the first elastic member so as to form a gap therebetween, and rotates them with a rotational drive force.

Abstract: There is disclosed a power supply control device including a load that executes a predetermined process and operates when power is supplied; a power supply state transition controlling unit that allows at least the load to be transitioned to a power supply state, or a power interruption state; plural detection units that can operate within respective power-consumption ranges, and detects information related to the execution of the load; a power supply control unit for detection unit, which supplies power continuously to a minimum power-consumption type detection unit, and which supplies power to a detection unit having a relatively large power-consumption based on a detection result of a detection unit having a relatively small power-consumption; and a transition time determining unit that is executed when power is supplied with respect to a maximum power-consumption type detection unit, and that determines a transition time by the power supply state transition controlling unit.

Abstract: An image forming apparatus includes an image forming section that forms an image on a recording material, a human detecting device that detects a person including an optical sensing unit that converts only an upward light of incident light to the optical sensing unit to an electric signal, and a controller unit that controls the image forming section based on the electric signal.

Abstract: An operation device includes a first condition in which the operation device consumes a first amount of electric power; a second condition in which the operation device consumes a second amount of electric power; a first detecting unit, to which electric power is supplied in the second condition, having a first detection range and detecting a person in the first detection range; a second detecting unit having a second detection range and detecting the person in the second detection range; a transmitting section that transmits, when the person is detected by the first detecting unit in the second condition, the electric power required for the second detecting unit to detect the person to the second detecting unit; and an instructing section that instructs, when the person is detected by the second detecting unit, the operation device to change a condition from the second condition to the first condition.

Abstract: An image forming apparatus includes an image forming section that forms an image on a recording material; an image reading device that is disposed above the image forming section, and reads an image on an original; a connecting section that is disposed at either one of end sides of an apparatus housing in a lateral direction thereof, and that connects the image forming section and the image reading device to each other; an operating section that is disposed in front of the image reading device, and that is operated by a person; a human detecting device that detects the person operating the operating section; a discharging section that discharges the recording material on which the image has been formed by the image forming section to a placing section; and the placing section on which the recording material discharged from the discharging section is placed.