Abstract: An image forming apparatus includes an image forming portion, a fixing unit including a fixing member, a heating member, and a temperature detection portion, and a control portion configured to execute warm-up processing. If a temperature of the heating member at a first timing in a period of time in which the heating member is being heated in the warm-up processing is a first temperature, a temperature of the heating member at a second timing that is in the period of time and that is later than the first timing is a second temperature, and a temperature of the heating member at a timing different from the first timing and the second timing is a third temperature, the control portion is configured to change a fixing condition used in the job, based on the first temperature, the second temperature, and the third temperature.

Abstract: A straddle-type vehicle includes a fuel pipe provided on a rear side of an engine, a generator provided on the rear side of the engine and adjacent to the fuel pipe, an outside air introduction duct configured to guide air outside the straddle-type vehicle to the rear side of the engine, and a partition wall provided between the fuel pipe and the generator. The partition wall partitions a region on the rear side of the engine into a generator arrangement region where the generator is provided and a fuel pipe arrangement region where the fuel pipe is provided. The outside air introduction duct includes a first outlet configured to allow the air to flow out to the generator arrangement region.

Abstract: Provided is an image heating apparatus including: a heater having a plurality of heating elements arranged in a direction orthogonal to a conveying direction of the recording material; and a control portion that controls electric power to be supplied to the plurality of heating elements and is capable of individually controlling the plurality of heating elements, the image heating apparatus heating an image formed on the recording material with heat by the heater, wherein the control portion sets a heating condition when controlling each of the plurality of heating elements, according to the thermal history of a heating region heated by one heating element and the thermal history of a heating region heated by a heating element adjacent to the one heating element.

Abstract: Provided is an image heating apparatus including: a heater having a plurality of heating elements arranged in a direction orthogonal to a conveying direction of the recording material; and a control portion that controls electric power to be supplied to the plurality of heating elements and is capable of individually controlling the plurality of heating elements, the image heating apparatus heating an image formed on the recording material with heat by the heater, wherein the control portion sets a heating condition when controlling each of the plurality of heating elements, according to the thermal history of a heating region heated by one heating element and the thermal history of a heating region heated by a heating element adjacent to the one heating element.

Abstract: A straddle-type vehicle includes a fuel pipe provided on a rear side of an engine, a generator provided on the rear side of the engine and adjacent to the fuel pipe, an outside air introduction duct configured to guide air outside the straddle-type vehicle to the rear side of the engine, and a partition wall provided between the fuel pipe and the generator. The partition wall partitions a region on the rear side of the engine into a generator arrangement region where the generator is provided and a fuel pipe arrangement region where the fuel pipe is provided. The outside air introduction duct includes a first outlet configured to allow the air to flow out to the generator arrangement region.

Abstract: In an image heating device, a plurality of count values representing a heat storage amount in each of a plurality of heating regions heated by a plurality of heating elements are acquired, and electric power for the heating elements is controlled so that a difference between a heat storage maximum count value representing the heat storage amount of the heating region in which the heat storage amount is the largest among the plurality of heating regions, and a heat storage reduction count value representing the heat storage amount of a heat storage reduction region that is a heating region having a smaller heat storage amount than the heating region having the maximum heat storage amount, is maintained within a range of a predetermined value; and the predetermined value is set based on a width of the heat storage reduction region of a recording material.

Abstract: Provided is an image heating apparatus including: a heater having a plurality of heating elements arranged in a direction orthogonal to a conveying direction of the recording material; and a control portion that controls electric power to be supplied to the plurality of heating elements and is capable of individually controlling the plurality of heating elements, the image heating apparatus heating an image formed on the recording material with heat by the heater, wherein the control portion sets a heating condition when controlling each of the plurality of heating elements, according to the thermal history of a heating region heated by one heating element and the thermal history of a heating region heated by a heating element adjacent to the one heating element.

Abstract: An image heating apparatus includes a heater having a plurality of heat generating elements, a roller for forming a nip portion with the heater, an acquisition portion that acquires a plurality of count values indicating heat accumulation amounts of a plurality of heating regions heated by the plurality of heat generating elements, respectively, and a control portion that controls electrical power to be supplied to the plurality of heat generating elements to control individual heat generating quantities of the plurality of heat generating elements. The control portion controls the heat generating quantities so that a difference between a first count value indicating a heat accumulation amount of a first heating region heated by a first heat generating element and a second count value indicating a heat accumulation amount of a second heating region heated by a second heat generating element is maintained within a predetermined range.

Abstract: A fixing apparatus includes a plurality of heat generating elements for heating a developer image formed on a recording medium corresponding to a plurality of heating regions. A first target temperature of the heat generating elements is set based on a developer amount per unit area of the developer image in each of the heating regions, and the temperature of the heat generating elements is controlled to the first target temperature. If a difference between the first target temperatures for two adjacent heating regions is outside of a predetermined range, the first target temperature for one of the two adjacent heating regions is corrected to a second target temperature, which is greater than the first target temperature, so that the difference between the first target temperatures for the two adjacent heating regions is within the predetermined range.

Abstract: An image heating apparatus includes a heater having a plurality of heating elements arranged in a direction orthogonal to a conveying direction of a recording material, each of the plurality of heating elements having a heating region, and a control portion that controls electrical power to be supplied to the plurality of heating elements, the control portion being capable of individually controlling the plurality of heating elements. The control portion executes control of a heat generating quantity of each of the plurality of heating elements such that a heat generating quantity when heating a first region of the recording material including an image, a heat generating quantity when heating a second region of the recording material not including an image, and a heat generating quantity when heating a third region, in which there is no recording material, are different from each other.

Abstract: Provided is an image forming apparatus, having: a fixing portion which includes a plurality of heating elements and heats a plurality of heating regions independently using the plurality of heating elements respectively so as to fix an image formed on a recording material to the recording material; an acquiring portion which acquires information on an image formed on a recording material, and thermal history information on a plurality of regions corresponding to the plurality of heating regions in the fixing portion respectively; and a control portion which controls heating of the heating regions by the fixing portion. The control portion corrects a control setting used for the temperature control of the heating regions, based on the thermal history information on a region of the fixing portion corresponding to a thermal history calculating region generated by dividing each of the heating regions in a direction orthogonal to the transport direction.

Abstract: In an image heating device, a plurality of count values representing a heat storage amount in each of a plurality of heating regions heated by a plurality of heating elements are acquired, and electric power for the heating elements is controlled so that a difference between a heat storage maximum count value representing the heat storage amount of the heating region in which the heat storage amount is the largest among the plurality of heating regions, and a heat storage reduction count value representing the heat storage amount of a heat storage reduction region that is a heating region having a smaller heat storage amount than the heating region having the maximum heat storage amount, is maintained within a range of a predetermined value; and the predetermined value is set based on a width of the heat storage reduction region of a recording material.

Abstract: An image heating apparatus includes a heater having a plurality of heat generating elements, a roller for forming a nip portion with the heater, an acquisition portion that acquires a plurality of count values indicating heat accumulation amounts of a plurality of heating regions heated by the plurality of heat generating elements, respectively, and a control portion that controls electrical power to be supplied to the plurality of heat generating elements to control individual heat generating quantities of the plurality of heat generating elements. The control portion controls the heat generating quantities so that a difference between a first count value indicating a heat accumulation amount of a first heating region heated by a first heat generating element and a second count value indicating a heat accumulation amount of a second heating region heated by a second heat generating element is maintained within a predetermined range.

Abstract: A fixing apparatus includes a plurality of heat generating elements for heating a developer image formed on a recording medium corresponding to a plurality of heating regions. A first target temperature of the heat generating elements is set based on a developer amount per unit area of the developer image in each of the heating regions, and the temperature of the heat generating elements is controlled to the first target temperature. If a difference between the first target temperatures for two adjacent heating regions is outside of a predetermined range, the first target temperature for one of the two adjacent heating regions is corrected to a second target temperature, which is greater than the first target temperature, so that the difference between the first target temperatures for the two adjacent heating regions is within the predetermined range.

Abstract: An image heating apparatus includes a heater having a plurality of heat generating elements, a roller for forming a nip portion with the heater, an acquisition portion that acquires a plurality of count values indicating heat accumulation amounts of a plurality of heating regions heated by the plurality of heat generating elements, respectively, and a control portion that controls electrical power to be supplied to the plurality of heat generating elements to control individual heat generating quantities of the plurality of heat generating elements. The control portion controls the heat generating quantities so that a difference between a first count value indicating a heat accumulation amount of a first heating region heated by a first heat generating element and a second count value indicating a heat accumulation amount of a second heating region heated by a second heat generating element is maintained within a predetermined range.

Abstract: A fixing apparatus includes a plurality of heat generating elements for heating a developer image formed on a recording medium corresponding to a plurality of heating regions. A first target temperature of the heat generating elements is set based on a developer amount per unit area of the developer image in each of the heating regions, and the temperature of the heat generating elements is controlled to the first target temperature. If a difference between the first target temperatures for two adjacent heating regions is outside of a predetermined range, the first target temperature for one of the two adjacent heating regions is corrected to a second target temperature, which is greater than the first target temperature, so that the difference between the first target temperatures for the two adjacent heating regions is within the predetermined range.

Abstract: A saddle-ride type vehicle includes an engine unit as a driving power source, a fuel tank, and a canister. The fuel tank is configured to store fuel used by the engine unit. The canister is configured to trap fuel vapor generated in the fuel tank. The canister is disposed adjacent to the fuel tank.

Abstract: Provided is an image forming apparatus, having: a fixing portion which includes a plurality of heating elements and heats a plurality of heating regions independently using the plurality of heating elements respectively so as to fix an image formed on a recording material to the recording material; an acquiring portion which acquires information on an image formed on a recording material, and thermal history information on a plurality of regions corresponding to the plurality of heating regions in the fixing portion respectively; and a control portion which controls heating of the heating regions by the fixing portion. The control portion corrects a control setting used for the temperature control of the heating regions, based on the thermal history information on a region of the fixing portion corresponding to a thermal history calculating region generated by dividing each of the heating regions in a direction orthogonal to the transport direction.

Abstract: An image forming apparatus that forms a toner image on a recording medium includes an image forming unit that forms an unfixed toner image on a recording medium; a fixing unit that heats the recording medium bearing the unfixed toner image and fixes the unfixed toner image onto the recording medium at a nip portion; a heating member and a pressurizing member that touches the heating member and forms the nip portion therebetween; a first blower that blows air to a non-sheet-passing area of a small-size recording medium in the heating member; and a second blower that blows air to a non-sheet-passing area of a small-size recording medium in the pressurizing member. Upon the temperature of the non-sheet-passing area of the heating member exceeding a threshold temperature, the first blower blows without the second blower blowing, then the two blowers start blowing together.

Abstract: An image heating apparatus includes a heater having a plurality of heating elements arranged in a direction orthogonal to a conveying direction of a recording material, each of the plurality of heating elements having a heating region, and a control portion that controls electrical power to be supplied to the plurality of heating elements, the control portion being capable of individually controlling the plurality of heating elements. The control portion executes control of a heat generating quantity of each of the plurality of heating elements such that a heat generating quantity when heating a first region of the recording material including an image, a heat generating quantity when heating a second region of the recording material not including an image, and a heat generating quantity when heating a third region, in which there is no recording material, are different from each other.