JPH09106122A - Copying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce power consumption and also the exactly prevent recording paper from being left behind. SOLUTION: Paper P ejected onto an ejected-paper housing part 7 is detected by an ejected-paper sensor 9. On the front of the copying machine 1 is a human- body detection sensor 11. The copying machine is provided with a light source 10 for illuminating the paper P ejected on the ejected-paper storage part 7, and a control part 12 turns on the light source 10 when both the sensors 11 and 12 are turned on, and turns it off when one of them is not turned on.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a copying machine which illuminates a recording paper discharged to a recording paper receiving portion embedded in a housing.

[0002]

2. Description of the Related Art As a conventional example, for example, Japanese Patent Laid-Open No. 1-2941
As disclosed in Japanese Patent Publication No. 55-55, in order to prevent the user from forgetting to take the recording paper discharged onto the recording paper receiving section embedded in the housing, the recording paper discharged to the recording paper receiving section is detected by a sensor. A method of detecting and illuminating the recording paper is shown.

Further, as a conventional example for detecting a recording sheet, for example, in Japanese Patent Laid-Open No. 2-199476, a sorter having a sorting function in a sheet discharge accommodating means is used when a copy sheet is present in any bin of the sorter. A method for determining that there is is shown.

[0004]

However, in the case of detecting and illuminating the recording paper discharged to the recording paper receiving portion embedded in the housing, the method of illuminating at all times or until the recording paper is taken out consumes power. Is wasted. Further, in order to solve this problem, the method of illuminating and turning off the light for a few seconds after the paper is discharged has a problem that the user does not notice the recording paper when the user is still in front of the copying machine. Furthermore, the method of turning off the light by operating the switch makes the operation troublesome.

In view of the above conventional problems, it is an object of the present invention to provide a copying machine capable of reducing power consumption and surely preventing forgetting to remove recording paper.

[0006]

In order to achieve the above-mentioned object, the present invention has a paper discharge accommodating portion for accommodating recording paper discharged after copying, and a recording paper discharged to the paper discharge accommodating portion. Paper discharge detecting means for detecting a human body, a human body detecting means for detecting a human body in the vicinity of the copying machine, an illuminating means for illuminating the recording paper discharged in the discharged paper storage section, and a recording by the paper discharge detecting means. And a control unit that controls the lighting unit to turn on when a human body is detected by the human body detection unit when paper is detected.

Further, the illumination means is turned off when the recording paper is no longer detected by the paper discharge detection means or the human body is no longer detected by the human body detection means while the illumination means is turned on. It is characterized by controlling as follows.

The present invention is also directed to a paper discharge accommodating portion for accommodating recording paper discharged after copying, a paper discharge detecting means for detecting the recording paper discharged to the paper discharge housing portion, and a copying machine. A human body detecting means for detecting a human body in the vicinity, an alarm sound generating means for generating an alarm sound, and a case where a recording paper is detected by the paper discharge detecting means and the human body is no longer detected by the human body detecting means. Sometimes, the alarm sound generating means has a control means for controlling so as to generate an alarm sound.

Further, it is characterized in that after the alarm sound is generated, the alarm sound generating means is controlled so as to stop after a certain period of time.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a front view showing an embodiment of a copying machine according to the present invention, FIG. 2 is an external view showing the copying machine of FIG. 1, FIG. 3 is a side view showing the copying machine of FIG. 1, and FIG. 7 is a flowchart for explaining the operation of the control unit.

1 to 3, a sheet P set below the copying machine 1 is fed upward by a sheet feeding roller 2, a toner image is transferred by a photosensitive roller 3, and a toner is fixed by a fixing roller 4. The image is fixed, and the paper is further conveyed upward by the paper discharge roller 5, and is discharged by the separation claw 6 into the paper discharge accommodating portion 7a.
Alternatively, the sheet is selectively discharged to 7b. Paper discharge accommodating portions 7a and 7b
Is provided in the space 8 between the contact glass 14 and the photoconductor roller 3 and the like, and the paper P discharged into the paper discharge accommodating portion 7a or 7b is detected by the paper discharge sensor 9. The paper discharge sensor 9 includes a light emitting unit and a light receiving unit, and the paper discharge storage units 7a and 7b.
It is detected that the sheet P discharged to the sheet passes between the light emitting portion and the light receiving portion and blocks the light. In addition, the space 8 is provided with the discharged paper storage portion 7
Light source 10 for illuminating the paper P discharged to a and 7b
Further, a human body detection sensor 11 is provided on the front surface of the copying machine 1.

The control unit 12 controls the turning on / off of the light source 10 based on the detection signals of the paper discharge sensor 9 and the human body detection sensor 11 as shown in FIG. First, the illumination is turned off (step S1), then it is checked whether or not the human body detection sensor 11 is on (step S2), and if it is not on, the process returns to step S1, while if it is on, the step S1 is performed.
Proceed to 3. In step S3, it is checked whether or not the paper discharge sensor 9 is on (step S3). If it is not on, the process returns to step S1. On the other hand, if it is on, the process proceeds to step S4 to turn on the illumination and returns to step S2. .

Therefore, if the human body detection sensor 11 is not turned on in step S2, or if the paper discharge sensor 9 is not turned on in step S3, the illumination is turned off in step S1. It is possible to reliably prevent forgetting.

Next, a second embodiment will be described with reference to FIGS. FIG. 5 is a front view showing a copying machine according to the second embodiment,
6 is an external view showing the copying machine of FIG. 5, FIG. 7 is a side view showing the copying machine of FIG. 5, and FIG. 8 is a flowchart for explaining the operation of the control unit of FIG. In this embodiment, an alarm sound generator 13 such as a buzzer or the like is provided instead of the light source 10, and the other configurations are the same as those shown in FIGS. Then, the control unit 12 controls to emit an alarm sound as shown in FIG. 8 based on the detection signals of the paper discharge sensor 9 and the human body detection sensor 11.

In FIG. 8, first, it is checked whether or not the paper discharge sensor 9 is on (step S11), and if it is not on, the process stands by. On the other hand, if it is on, the process proceeds to step S12 and the human body detection sensor 11 is turned on. Check if it is on.
If the human body detection sensor 11 is not on, the process returns to step S11. On the other hand, if the human body detection sensor 11 is on, the process proceeds to step S13 to check whether the human body detection sensor 11 is off. And the human body detection sensor 1
When 1 is not turned off, it stands by, and when it is turned off, an alarm sound is emitted for a certain time (step S13).

Therefore, in the second embodiment as well, the human body detection sensor 1 is similarly in the state where the paper discharge sensor 9 is on.
When 1 is switched from ON to OFF, an alarm sound is emitted for a certain period of time, so that it is possible to reduce power consumption and prevent forgetting to remove the recording sheet.

[0017]

As described above, according to the present invention, the light is turned on when the recording paper in the paper discharge accommodating portion is detected and the human body near the copying machine is detected. It is possible to reduce the electric power and surely prevent forgetting to remove the recording paper.

Further, since the light is turned off when the recording paper in the paper discharge accommodating portion is no longer detected or the human body near the copying machine is no longer detected, it is possible to reduce power consumption. it can.

Further, according to the present invention, the alarm sound is generated when the recording paper in the paper discharge accommodating portion is detected and the human body in the vicinity of the copying machine is no longer detected. It is possible to reliably prevent forgetting to remove the recording paper.

Further, since the alarm sound is generated and the operation is stopped after a lapse of a certain period of time, it is possible to reduce power consumption and prevent noise.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a copying machine according to the present invention.

FIG. 2 is an external view showing the copying machine of FIG.

3 is a side view showing the copying machine of FIG. 1. FIG.

FIG. 4 is a flowchart for explaining the operation of the control unit in FIG.

FIG. 5 is a front view showing a copying machine according to a second embodiment.

6 is an external view showing the copying machine of FIG.

FIG. 7 is a side view showing the copying machine of FIG.

FIG. 8 is a flowchart for explaining the operation of the control unit of FIG.

[Explanation of symbols]

 9 Paper ejection sensor 10 Light source 11 Human body detection sensor 12 Control unit 13 Alarm sound generator

Claims (4)

[Claims] 1. A paper discharge accommodating section for accommodating recording paper ejected after copying, a paper ejection detecting means for detecting the recording paper ejected in the paper ejection accommodating section, and a human body near the copying machine. A human body detecting means for detecting the recording paper, an illuminating means for illuminating the recording paper discharged to the paper discharge accommodating portion, and a case where the recording paper is detected by the paper discharge detecting means by the human body detecting means. And a control unit that controls the lighting unit to turn on when a human body is detected. 2. The control means, when the recording paper is no longer detected by the paper discharge detection means while the illumination means is turned on, or when the human body is no longer detected by the human body detection means. 2. The copying machine according to claim 1, wherein the lighting means is controlled so as to be turned off. 3. A paper discharge accommodating portion for accommodating the recording paper discharged after copying, a paper discharge detecting means for detecting the recording paper discharged in the paper discharge accommodating portion, and a human body near the copying machine. A human body detecting means for detecting a warning sound, an alarm sound generating means for generating a warning sound, and a case where a recording paper is detected by the paper discharge detecting means and the human body is no longer detected by the human body detecting means. And a control unit for controlling the alarm sound generating unit to generate an alarm sound. 4. The copying machine according to claim 3, wherein the control unit controls the alarm sound generation unit to stop after a predetermined time has elapsed after the alarm sound generation unit generated the alarm sound.