Image forming device and method of controlling image forming device
A technology of image and main control, applied in electric recording process applying charge pattern, equipment for electric recording process applying charge pattern, electric recording technique, etc., can solve the abnormality, misjudgment, and difficulty in judging the cause of abnormality of temperature sensor And other issues
Inactive Publication Date: 2016-04-06
KYOCERA DOCUMENT SOLUTIONS INC
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0007] Here, the temperature abnormality in which the temperature of the heating rotor in the fixing unit is lower than the temperature to be detected may be caused by a power supply abnormality to the exciting coil due to an abnormality in the power supply, or may be caused by an abnormality in the temperature sensor.
However, in the past, when an abnormal temperature occurred, it was notified without distinguishing the cause
Therefore, although there is a problem with the power supply system that supplies power to the field coil, sometimes the service technician misjudges that the cause is the temperature sensor.
Conversely, although the temperature sensor is the cause, sometimes the service technician misjudges that the problem is the power system that supplies power to the field coil
Therefore, when an abnormal temperature occurs in the fixing unit, it is difficult to determine the cause of the abnormality.
[0008] In addition, the fixing device controlled by the above-mentioned known fixing control device needs to perform induction heating.
However, it cannot solve the problem that it is difficult to determine the cause of abnormal temperature in the fixing unit.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0020] Use below Figure 1 to Figure 6 , the image forming apparatus including the fixing unit 1 will be described. Embodiments of the present invention will be described by taking the printer 100 as an example of an image forming apparatus. However, each element described in each embodiment, such as a structure and arrangement|positioning, does not limit the scope of invention, It is an illustration example only.
[0021] (Brief structure of image forming apparatus)
[0022] First, use figure 1 , an overview of the printer 100 will be described. figure 1 is a diagram showing the configuration of the printer 100 .
[0023] Such as figure 1 As shown, the printer 100 of this embodiment has the operation panel 2 mounted on its side. In addition, the printer 100 further includes a paper feeding unit 3a, a first conveying unit 3b, an image forming unit 4, a fixing unit 1, and a second conveying unit 3c.
[0024] First, if figure 1 As shown, the printer 100 is provided with ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
An image forming apparatus includes: an image formation portion; a fixing portion that includes an exciting coil for inductively heating member and a temperature detection member: a main control portion that stops a printing operation when a temperature abnormality is recognized; a notification portion; a power supply portion that supplies power to the exciting coil; and a heating control portion that controls power supply to the exciting coil and detects the power abnormality. When the heating control portion detects a power abnormality, the heating control portion stops the induction heating, provides stop notice; when the main control portion determines, based on the history of the stop notice, whether the temperature abnormality is due to the stop of the induction heating or is not due to the stop of the induction heating.
Description
technical field [0001] The present invention relates to an image forming apparatus that uses induction heating to fix toner on paper. Background technique [0002] Toner is used to form an image in an image forming apparatus such as a digital multifunction machine, a copier, a printer, and a facsimile apparatus. In such an image forming apparatus, paper is conveyed inside, a toner image is transferred to the paper, and the toner image is fixed to the paper by applying heat and pressure. In addition, in an image forming apparatus that performs printing by fixing toner, an induction heating method is used for fixing. [0003] There is known a fixing control device that performs fixing by induction heating. Specifically, the known fixing control device includes: a main body control circuit, which has a main central processing unit for controlling the overall operation of the device; a temperature sensor, which detects the temperature of a member to be heated for fixing; perf...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/20G03G15/00
CPCG03G15/2053G03G15/205
Inventor 小高庆之
Owner KYOCERA DOCUMENT SOLUTIONS INC