Image forming apparatus that uses waste heat from heating components for other tasks
A technology for heating components and tasks, applied in the field of waste heat utilization, can solve the problems of needing fans, wasting power consumption, and spending cooling time
Active Publication Date: 2021-09-21
KK TOSHIBA +1
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] In the method of cooling by idling the heating roller, there is a problem that cooling time is spent and power consumption is wasteful
The method of cooling the heating roller with a fan has the problem of cost and waste of power consumption due to the need for a fan
Method used
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Embodiment Construction
[0015] Embodiments are described below with reference to the drawings.
[0016] figure 1 It is a diagram showing the structure of the image forming apparatus 100 .
[0017] The image forming apparatus 100 can execute a non-color-erasable print job, a color-erasable print job, and a color-erasable job. The non-erasable printing job refers to a job in which an image is formed on a sheet with a non-erasable coloring material, and the sheet (recording medium) is heated to fix the image on the recording medium. The decolorizable printing task refers to the task of forming an image on a sheet with a decolorizable coloring material, and fixing the image to a recording medium by heating the sheet. The task of decolorizing refers to a task of decolorizing the image of the sheet formed with the decolorizable coloring material.
[0018] The decolorizing color material is, for example, a toner, and includes a color-forming compound, a color developer, and a decolorizing agent in additi...
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The present invention provides an image forming apparatus that utilizes the waste heat of a heating member for other tasks. Generally, an image forming apparatus according to an embodiment includes an image forming unit, a heating member, a heater, a sensor, and a controller. The image forming unit forms an image on a recording medium using a color material. The heating member heats the recording medium. A heater heats the heating member. A sensor detects the temperature of the heating member. The controller is a controller that executes a printing task of forming an image on a recording medium by the image forming unit, fixing the image on the recording medium by the heating member, and decolorizing the image on the recording medium by the heating member. If the temperature of the heating component is higher than the temperature control range of the task with the highest priority and there is a task that can be performed at the temperature of the heating component, the task that can be performed is set to Execute by interrupt while the output of the above heater is stopped.
Description
technical field [0001] This embodiment relates to utilization technology of waste heat of a heating member. Background technique [0002] In an image forming apparatus, when printing jobs are continuously performed, the temperature of the heat roller sometimes exceeds the temperature control range. In this case, the image forming apparatus stops execution of the print job, and stops the output of the heater of the fixing unit. Then, the image forming apparatus idles the heating roller in contact with the pressure roller, and radiates heat from the heating roller until the temperature of the heating roller falls within the temperature control range. There is also a method of cooling the heating roller using a fan. [0003] The method of cooling by idling the heating roller has problems of taking cooling time and wasteful power consumption. In the method of cooling the heating roller by a fan, there is a problem that a fan is required and costs are incurred, and power consu...
Claims
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IPC IPC(8): G03G15/20
CPCG03G15/205G03G15/5012G03G21/00G03G15/6585G03G2215/00021G03G2215/00531G03G15/2039
Inventor 梅津敏之远藤克也
Owner KK TOSHIBA