IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0261562
(2008-10-30)
|
등록번호 |
US-8089658
(2012-01-03)
|
우선권정보 |
JP-2007-320870 (2007-12-12) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Morgan, Lewis & Bockius LLP
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
10 |
초록
▼
The present invention provides an image forming device using a toner that maintains a color-generation state or non-color-generation state owing to color-generation information provided by light, comprising: an image forming unit comprising a developing unit including a photoreceptor and the toner t
The present invention provides an image forming device using a toner that maintains a color-generation state or non-color-generation state owing to color-generation information provided by light, comprising: an image forming unit comprising a developing unit including a photoreceptor and the toner that forms a toner image, a color-generation information providing unit that, based on image data, provides the toner with color-generation information by exposing the toner image to light, a transfer unit, a fixing unit, and a color-generating unit that allows respective toner to generate the color, a toner temperature regulating unit, and a control unit that controls the toner temperature regulating unit so the temperature of the toner is within a predetermined range, and an image forming method using the same.
대표청구항
▼
1. An image forming device using a toner that maintains a color-generation state or non-color-generation state owing to color-generation information provided by light, the device comprising: an image forming unit containing a developing unit that has a photoreceptor and the toner, and that forms a t
1. An image forming device using a toner that maintains a color-generation state or non-color-generation state owing to color-generation information provided by light, the device comprising: an image forming unit containing a developing unit that has a photoreceptor and the toner, and that forms a toner image from the toner on the photoreceptor,a color-generation information providing unit that, on the basis of color component information of image data, provides the toner that forms the toner image with color-generation information by exposing the toner image to light,a transfer unit that transfers the toner image onto a recording medium, a fixing unit that fixes the transferred toner image on the recording medium by heat or pressure, anda color-generating unit that heats the transferred toner image on the recording medium, thereby allowing each toner that forms the toner image to respectively generate a color,a toner temperature detection unit that detects a temperature of the toner before the toner is provided with color-generation information by the color-generation information providing unit,a toner temperature regulating unit that regulates the temperature of the toner when the toner is provided with color-generation information by the color-generation information providing unit, anda control unit that, on the basis of a detection result of the toner temperature detection unit, controls the toner temperature regulating unit such that the temperature of the toner when the toner is provided with color-generation information by the color-generation information providing unit is in a predetermined range. 2. The image forming device of claim 1, wherein the control unit controls the image forming unit on the basis of a detection result of the toner temperature detection unit. 3. The image forming device of claim 2, wherein the control unit controls the image forming unit so as to allow or inhibit image formation on the basis of a detection result of the toner temperature detection unit. 4. The image forming device of claim 1, further comprising: at least one of a process cartridge provided with at least the developing unit, or a toner cartridge storing the toner, the respective cartridges being detachable from the body of the image forming device,a temperature-indicating material that changes color depending on applied heat, which is disposed on an external surface of the process cartridge or the toner cartridge, anda color detection unit that detects the color change of the temperature-indicating material,wherein the control unit further controls the image forming unit on the basis of a detection result of the color detection unit. 5. The image forming device of claim 4, wherein the control unit further controls the image forming unit so as to allow or inhibit image formation on the basis of a detection result of the toner temperature detection unit. 6. The image forming device of claim 1, further comprising a toner-condition detection unit that detects a condition of the toner color generated by the color-generating unit, wherein the control unit further controls the image forming unit on the basis of a detection result of the toner-condition detection unit. 7. The image forming device of claim 6, wherein the control unit further controls the image forming unit so as to allow or inhibit image formation on the basis of a detection result of the toner-condition detection unit. 8. The image forming device of claim 1, wherein exposure energy of a light from the color-generation information providing device is in the range of from about 0.05 to about 0.8 mJ/cm2. 9. The image forming device of claim 1, wherein the photoreceptor has a surface layer. 10. The image forming device of claim 9, wherein the surface layer is a dichroic mirror coat or a sharp cut filter. 11. The image forming device of claim 1, wherein the toner temperature regulating unit is a heater inside of the photoreceptor. 12. The image forming device of claim 11, wherein the heater is a sheet heater. 13. The image forming device of claim 1, wherein the toner contains a color-generating region capable of generating yellow color (Y color-generating portion), a color-generating portion capable of developing magenta color (M color-generating portion) and a color-generating portion capable of developing cyan color (C color-generating portion) in a toner particle. 14. The image forming device of claim 1, wherein the toner temperature detection unit is a temperature detection sensor and is disposed between the developing unit and the color-generation information providing unit. 15. The image forming device of claim 14, wherein the temperature detection sensor is an infrared thermometer. 16. The image forming device of claim 1, wherein the color-generation information providing unit comprises a light source that provides color-generation information for coloring a yellow color-generating portion, a light source that provides color-generation information for coloring a magenta color-generating portion, and a light source that provides color-generation information for coloring a cyan color-generating portion. 17. The image forming device of claim 1, wherein the fixing unit and the color-generating unit are combined as a fixing device. 18. The image forming device of claim 1, further comprising a coloring fixing device that irradiates light on a recording medium after fixing. 19. A method of forming an image comprising: forming an image with a toner that maintains a color-generation state or non-color-generation state owing to color-generation information provided by light, comprising developing a toner image with the toner on a photoreceptor, and providing the toner that forms the toner image with color-generation information by exposing the toner image to light, on the basis of color component information of image data, transferring the toner image onto a recording medium, fixing the transferred toner image on the recording medium by heat and/or pressure, and heating the transferred toner image on the recording medium thereby allowing each toner of the toner image to respectively develop a color corresponding to the wavelength of the light applied by the color-generation information providing unit, or a color other than the color corresponding to the wavelength of the light;detecting a temperature of the toner before the toner is provided with color-generation information;regulating the temperature of the toner when the toner is provided with color-generation information; andcontrolling during the toner temperature regulating such that the temperature of the toner when the toner is provided with color-generation information is in a predetermined range, on the basis of a detection result of the toner temperature detecting.
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