JP2004026402A - Image forming device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image forming device capable of supporting sheet replenishment work by a user especially visually handicapped person when there is no sheet. <P>SOLUTION: A control means is provided so that an open button is vibrated by a vibrating device until a sheet supply cassette is released from a device body by a release means when personal information of an ID card read by a card reader shows the person is a visually handicapped person and it is detected that any sheets are not stacked on a paper supply cassette by a sheet detecting means. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an image forming apparatus, such as a copying machine, a printer, or a facsimile machine, having a function of forming an image on a sheet-like recording medium (sheet) such as paper.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, in an image forming apparatus such as a printer, a scanner, and a copy, or an image forming apparatus called a multifunction peripheral having a plurality of functions, an operation screen is displayed on a liquid crystal monitor, and key operations are performed in accordance with instructions on the operation screen. By doing so, a print command, a copy command, and the like can be performed, and some of them are operated for a physically handicapped person.
[0003]
[Problems to be solved by the invention]
However, in the case of the above-described conventional technology, the following problems have occurred.
[0004]
The countermeasures for persons with disabilities in the copying machine as described above are based on normal operation, and no consideration is given to maintenance work in the case of a paper out condition.
[0005]
Therefore, when a sheet runs out of paper in such a copying machine, the paper supply operation is not different from the normal operation, and for a visually impaired person such as a low-vision person, paper of any size in any cassette can be read without paper. There was a problem that it was difficult to replenish the paper, because it was not known.
[0006]
SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems of the related art, and an object of the present invention is to provide an image forming apparatus capable of supporting a sheet replenishing operation without a sheet by a user, particularly a visually impaired person. Is to provide.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, in the present invention,
Sheet loading means for loading sheets,
Sheet detection means for detecting whether a sheet is placed on the sheet stacking means,
A release unit having an operation member, and releasing the sheet stacking unit from the apparatus main body by operating the operation member;
Vibrating means for vibrating the operation member,
Information input means for inputting predetermined information;
An image forming apparatus that feeds a sheet stacked on the sheet stacking unit and forms an image on the sheet,
In a state where predetermined information is input to the information input unit, when the sheet detection unit detects that a sheet is not placed on the sheet stacking unit, the release unit sets the sheet stacking unit to an apparatus. A control means is provided for causing the operating member to vibrate by the vibration means until the operating member is released from the main body.
[0008]
A plurality of the sheet stacking means are provided,
The control unit is configured to control the operation member by the vibrating unit until the sheet stacking unit of the plurality of sheet stacking units, which is detected by the sheet detection unit not having a sheet placed thereon, is released from the apparatus main body. It is also preferable to vibrate.
[0009]
Equipped with utterance means for outputting voice guidance,
The control unit, when predetermined information is input to the information input unit, when the sheet detection unit detects that no sheet is placed on the sheet stacking unit, the release unit It is also preferable that the operating member is vibrated by the vibrating means until the sheet stacking means is released from the apparatus main body, and that the voice generating means outputs voice guidance relating to information of sheets to be stacked on the sheet stacking means. It is.
[0010]
It is also preferable that the information on the sheets to be stacked on the sheet stacking means output by the utterance means is the size of the sheet.
[0011]
Release detecting means for detecting that the sheet stacking means is released from the apparatus main body,
It is also preferable that the control means stops the vibration operation of the operation member by the vibration means when the release detection means detects that the sheet stacking means has been released from the apparatus main body.
[0012]
A sheet size detection unit configured to detect a size of a sheet stacked on the sheet stacking unit,
The control unit detects that the sheet stacking unit is released from the apparatus main body by the release detection unit, and stops the vibration operation of the operation member by the vibration unit. When the sheet is mounted on the apparatus main body, the sheet size detecting unit detects the sheet size of the sheet stacked on the sheet stacking unit, and the sheet to be stacked on the sheet stacking unit is loaded on the sheet stacking unit. When it is determined that the operation has not been performed, it is also preferable that the operating member be vibrated again by the vibrating means.
[0013]
A sheet size detection unit configured to detect a size of a sheet stacked on the sheet stacking unit,
The control unit detects that the sheet stacking unit is released from the apparatus main body by the release detection unit, and stops the vibration operation of the operation member by the vibration unit. When the sheet is mounted on the apparatus main body, the sheet size detecting unit detects the sheet size of the sheet stacked on the sheet stacking unit, and the sheet to be stacked on the sheet stacking unit is loaded on the sheet stacking unit. If it is determined that the sheet size has not been changed, it is also preferable that the operating member is vibrated again by the vibrating means, and that the voice generating means outputs a voice guidance notifying that the sheet size is different.
[0014]
A sheet size detection unit configured to detect a size of a sheet stacked on the sheet stacking unit,
The control unit causes the sheet size detection unit to detect the sheet size of the sheet stacked on the sheet stacking unit, and that the sheet to be stacked by the sheet size detection unit is stacked on the sheet stacking unit. It is also preferable that the operating member is vibrated by the vibrating means until the detection is performed.
[0015]
Preferably, the predetermined information input to the information input means is personal information including that the user is a visually impaired person.
[0016]
Here, sheet stacking means for stacking sheets, sheet detection means for detecting whether a sheet is stacked on the sheet stacking means, and an operation member, wherein the operation member is operated to operate the sheet A sheet stacking device including a release unit that releases the stacking unit from the apparatus main body and a vibration unit that vibrates the operation member may be provided separately from the image forming apparatus as a separate unit. When it is detected that a sheet is not placed on the sheet stacking unit, the operating member may be vibrated by the vibration unit until the sheet stacking unit is released from the apparatus main body by the release unit. . The control unit for performing this control may be provided in the image forming apparatus main body, or may be provided in the sheet stacking device.
[0017]
Further, the sheet stacking device may include a voice generating unit that outputs voice guidance, a release detecting unit that detects that the sheet stacking unit has been released from the apparatus main body, and a size detection unit that detects a size of a sheet stacked on the sheet stacking unit. May be provided.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Preferred embodiments of the present invention will be illustratively described in detail below with reference to the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment should be appropriately changed depending on the configuration of the apparatus to which the invention is applied and various conditions. It is not intended to limit the scope to the following embodiments.
[0019]
FIG. 1 is a schematic diagram showing an image forming apparatus A according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing an image reading apparatus B. The image forming apparatus A according to the present embodiment includes an image reading apparatus B shown in FIG. 2 at an upper part of the apparatus main body according to the specifications of the apparatus.
[0020]
The image reading apparatus B shown in FIG. 2 includes an automatic document feeder (hereinafter abbreviated as ADF) 101 and a reader body (hereinafter abbreviated as the reader unit) 102.
[0021]
The reader unit 102 includes an original illumination lamp 110, an optical system of mirrors 111 to 113, and an original table 116. A white reference plate 121 having a white lower surface is arranged along an end of the original table 116. Then, the document image placed on the document table is formed on the CCD 115 and read.
[0022]
FIG. 2 shows the position of the optical system in the case where the original fed from the ADF 101 is read by the drift reading method, and the original fed by the ADF 101 is read in a state where the optical system is stopped at this position. .
[0023]
Next, the case where the reader unit 102 reads one document placed on the document table 116 will be described.
[0024]
The document illumination lamp 110 and mirrors 111 to 113 are driven by a motor 114 to scan a range indicated by an arrow 118 and read a document placed on a document table glass 116.
[0025]
Next, feeding of a document by the ADF 101 will be described.
[0026]
103 is a document stacking tray, 104 is a document detection sensor, and 105 is a paper feed roller. The document detection sensor 104 constantly monitors whether a document is placed on the document stacking tray 103. Documents placed on the document stacking tray 103 are fed by a feed roller 105, separated by a separation roller 107 one by one, and introduced into a sheet path. The document introduced into the sheet path is sequentially conveyed in the sheet path by each roller, and is read by the CCD 115 while being conveyed through the flow reading position 106.
[0027]
Reference numeral 108 denotes a flapper for switching a sheet path between a case where the original to be read is one side and a case where the original is both sides.
[0028]
The read original is discharged from the paper discharge port 109 and stacked on the paper discharge unit 120. Image data read by the CCD 115 is recorded in an image memory (not shown).
[0029]
Next, the image forming unit 4 of the image forming apparatus A shown in FIG. 1 will be described.
[0030]
The image forming section 4 includes a photosensitive drum 43 serving as an image carrier that is driven to rotate during image formation, and a laser beam that is read by an image reading section and is stored in an image memory. A laser unit 41 for irradiation, a charging unit 44, a developing unit 45, a transfer unit 46, a separator 47, and a cleaning device 48 arranged around the photosensitive drum 43 in order according to the rotation direction are provided.
[0031]
After the surface of the photosensitive drum 43 is uniformly charged by the charger 44, the laser beam emitted from the laser unit 41 is turned back by the laser mirror 42 and read on the surface of the photosensitive drum 43 by the image reading unit. An electrostatic latent image of the original image is formed. This electrostatic latent image is developed by the developing device 45. The developed image is transferred by a transfer unit 46 to a sheet fed from a sheet feeding cassette as a sheet stacking unit, and forms an original image.
[0032]
The developer remaining on the surface of the photosensitive drum 43 to which the developed image has been transferred is removed by the cleaning device 48. The separator 47 separates the sheet on which the image has been transferred from the photosensitive drum 43. Thereafter, the sheet is conveyed to the fixing device 49, and the developer is fixed on the sheet. The sheet after the fixing process is conveyed to a sheet discharging unit.
[0033]
When copying on both sides, after the fixing process, the sheet is conveyed to the two-sided path 53, the sheet is turned over, and the sheet is fed again, so that the image is formed on the back side by the image forming unit 4. When an image is formed on a sheet and then discharged face-up (document image face upward), the sheet is discharged to the discharge tray 51 of the discharge section 5 and face-down (document image face downward). When the paper is to be discharged, the paper is reversed by the reversing unit 52 just before the paper discharge unit 5 and discharged to the paper discharge tray 51.
[0034]
3 to 5 are block diagrams of main functions of the control system of the image forming apparatus A.
[0035]
FIGS. 3A and 3B are block diagrams of main functions of a control system of the image reading apparatus B.
[0036]
In FIG. 3A, a CPU unit 206 controls the reader unit 102 and the ADF 101 of the image reading apparatus B. The CPU unit 206 includes a program storage ROM (not shown), a work RAM, and the like.
[0037]
Reference numeral 207 denotes a motor drive unit, which is a driver circuit for driving the motor. Reference numeral 208 denotes a sensor signal input unit for inputting signals from various sensors to the CPU unit 206. The CPU unit 206 uses the motor driver unit 207 and the sensor signal input unit 208 to control the conveyance of the document of the reader unit 102 and the ADF 101 and the like.
[0038]
An image memory 203 converts an image signal formed on the CCD 115 into digital image data, performs various kinds of image processing in the image processing unit 202, and writes the processed image signal into the image memory 203.
[0039]
FIG. 3B is a circuit block diagram illustrating the overall configuration of the image processing unit 202, and includes an amplifier circuit 231, an A / D converter 232, and a shading correction circuit 233.
[0040]
In the process of scanning the original image, the CCD 115 outputs an analog image signal for each read line. The analog image signal is amplified by the amplifier circuit 231 and then converted to an 8-bit digital signal by the A / D converter 232. Is converted.
[0041]
Then, the shading correction circuit 233 performs black level correction and white level correction (shading correction) on the image signal. Thereafter, the data is written to the image memory 203. The above processing is performed for the document image area to form a read image of the document.
[0042]
FIG. 4 is a block diagram of a control system function of the controller unit U102 of the image forming apparatus A.
[0043]
The controller unit U102 is connected to a reader unit U100 which is a control system of the image reading apparatus B via a reader interface 301, and is connected to a printer unit U101 which is a control system of the image forming unit 4 via a printer interface 310. It is. Here, the controller unit U102 and the printer unit U101 constitute control means.
[0044]
The controller unit U102 includes, in addition to the reader interface 301 and the printer interface 310, a reader memory 302, an image processing unit 312, an encoder 303, a compressed image memory 304, a decoder 305, a page memory 306, and a CPU (central processing). A unit 307, a random access memory (RAM) 308, and a read only memory (ROM) 309 are provided.
[0045]
The reader memory 302 temporarily stores at least two pages of uncompressed image data of an image read by the reader unit U100. Also, two pages are equivalent to two large originals A3 size, and when reading a small original, the reader memory 302 is divided and used to enable continuous reading of an image of four small originals.
[0046]
In the present embodiment, simultaneous reading of two-sided originals is realized. In this case, the two-sided original image data read at the same time is stored by dividing and using the reader memory 302.
[0047]
The encoder 303 compresses the image data in the reader memory 302. The compressed image memory 304 is for storing image data of a plurality of pages obtained by compression by the encoder 303.
[0048]
The decoder 305 analyzes (expands) the image data compressed in the compressed image memory 304 and expands it on the page memory 306.
[0049]
When digital scaling is performed on the image data on the reader memory 302, the image editing memory 311 is used to inflate the image by performing a linear interpolation process or the like at the time of enlargement. 303 stores the compressed image in the compressed image memory 304 based on the image data.
[0050]
The ROM 309 stores a control program. The CPU 307 controls each unit of the controller unit U102 according to the control program of the ROM 309. The RAM 308 is a work area of the CPU 307. Further, voice data is stored in the ROM 309, and is read out at the time of voice guidance and output as voice from a speaker 600 as a voice generating means shown in FIG.
[0051]
The voice data includes, for example, voice guidance relating to information (for example, sheet size) of sheets to be stacked in the sheet cassette, and information indicating that correct sheet replenishment has been performed or that sheets of different sheet sizes have been replenished. There is audio guidance to inform you.
[0052]
Next, the flow of an image will be described with reference to FIG.
[0053]
The image data of the document read by the reader unit U100 is buffered in the reader memory 302 via the reader interface 301, and after a blank page is detected by the image processing unit 312, the image data in the reader memory 302 is compressed by the encoder 303. It is stored in the compressed image memory 304.
[0054]
In a normal copying operation, the image data in the compressed image memory 304 is analyzed by the decoder 305, expanded on the page memory 306, and output to the printer unit U101.
[0055]
When the image output is normally performed, the image data in the compressed image memory 304 is deleted. When it is determined that the image data cannot be stored as a result of storing in the compressed image memory 304, it is processed as a memory full.
[0056]
Further, the image stored in the compressed image memory 304 is expanded at a predetermined timing to the printer unit U101 via the printer interface 310 and transferred to the printer unit U101 to perform an image forming operation. At this time, the reader unit U100 and the printer unit U101 are controlled by serial communication via the controller unit U102, the reader interface 301, and the printer interface 310, respectively.
[0057]
The card reader unit 313 is an ID card reader as an information input unit, to which personal information is input by reading an ID card on which personal information is recorded. Disabled person information and the like are written on the ID card, and by reading the information, when it is determined that the operation is performed by a disabled person, vibration control and voice guidance processing without a sheet as described later are performed.
[0058]
FIG. 5 shows a printer control unit of the printer unit U101.
[0059]
The CPU unit 501 manages the fixing control unit 502, the high-voltage control unit 503, the paper conveyance control unit 504, and the laser control unit 505 based on information from the sensor input unit 506.
[0060]
The fixing control unit 502 controls the fixing device 49. The high-voltage control unit 503 controls each of the charger 44, the developing unit 45, the transfer unit 46, and the separator 47. The paper transport control unit 504 performs drive control of various sheet transport rollers, and the laser control unit 505 performs light amount control for image formation based on image data transmitted from the controller unit U102.
[0061]
The sensor input unit 506 captures inputs from sensors provided on a sheet conveyance path, a lever, a cover, a paper cassette, and the like into the CPU unit 501, and determines an image forming state such as an operation state and a sheet absence state.
[0062]
Further, the cassette is provided with sensors for detecting the size of sheets to be replenished, and these sensor inputs are also taken into the CPU 501 to measure the set sheet size. Here, a sensor and a sensor input unit 506 and a CPU unit 501 provided in the sheet cassette are provided with sheet detection means for detecting whether sheets are placed on the sheet cassette, and sheets loaded on the sheet cassette. Sheet size detecting means for detecting the size of the sheet.
[0063]
When a plurality of sheet cassettes are provided, the CPU 501 detects a sheetless cassette from the plurality of sheet cassettes by a sheet detecting unit that detects that no sheet is placed on the sheet cassette. Specify (select).
[0064]
The vibrating device control unit 507 includes a vibrating device connected to an open button as an operation member for releasing a sheet feeding cassette loaded with sheets to be fed in the present embodiment from the apparatus main body by a release unit. Block for controlling the vibration means), and generates vibration on the open button by a vibration device.
[0065]
Also, based on information from the sensor input unit 506 input from an open detection sensor that detects the opening of the sheet cassette (release from the apparatus main body), the CPU unit 501 determines whether the sheet cassette has been opened. Upon detection, the start and stop of the vibration are notified to the vibration device control unit 507. Here, the open detection sensor and sensor input unit 506 and the CPU unit 501 constitute a release detection unit.
[0066]
FIG. 6 is a diagram illustrating an appearance of the image forming apparatus A.
[0067]
Reference numeral 600 denotes a speaker as voice output means for outputting voice guidance; 601 to 604, sheet cassettes as sheet stacking means; and 605 to 608, operation members operated to open corresponding sheet cassettes by release means. Each of the open buttons includes a vibration device and an open detection sensor (open detection sensor and sensor input unit 506 and a CPU unit 501 that constitutes a release detection unit) that detects opening of the sheet cassette. ) Is connected.
[0068]
Although the paper feed cassettes 601 to 604 are provided in the main body of the image forming apparatus, they may be provided in a sheet stacking apparatus provided separately and independently of the image forming apparatus.
[0069]
Next, a procedure for replenishing a sheet when there is no sheet by the control means will be described with reference to the flowchart of FIG.
[0070]
The flowchart shown in FIG. 7 is from when the absence of a sheet occurs during copying. Hereinafter, description will be given along S1 to S12 on the flowchart.
[0071]
Note that, here, a description will be given of a case in which the open button generates vibration and the voice guidance is output. However, the vibration may be generated only in the open button (it is preferable that a selection can be made so as not to output the voice guidance. In addition, when the apparatus body is not provided with the utterance means, only vibration is generated on the open button).
[0072]
S1: The occurrence of the absence of the sheet in the sheet cassette is detected by the sheet detecting means.
[0073]
S2: Determine the cassette in which no sheet has occurred.
[0074]
S3: It is determined whether the personal information of the ID card read by the card reader before the operation is that of a visually impaired person.
[0075]
S4: If the operation is performed by a visually impaired person, the open button of the cassette for replenishing sheets is vibrated by the vibration device.
[0076]
S5: The open detection sensor detects whether or not the cassette has been opened.
[0077]
S6: Upon detecting that the cassette has been opened, the vibration of the open button is stopped by the vibration device.
[0078]
S7: Acquire the sheet size to be set in the cassette.
[0079]
S8: The voice guidance corresponding to the sheet size is read and output from the speaker. For example, when the sheet size is A4, a voice guide "Please replenish sheets of A4 size" is uttered.
[0080]
S9: After the sheet is set in the cassette, it is detected whether or not the cassette has been inserted into the apparatus main body.
[0081]
S10: When the cassette is inserted into the apparatus main body, the set sheet size is detected by the sheet size detection sensor provided in the cassette.
[0082]
S11: It is determined whether the set sheet size is the same as the sheet size to be supplied.
[0083]
S12: In the case of a different sheet, S3 to S12 are repeated until a correct sheet supply is performed. Here, if it is determined that the sheets are different, a size error guide may be output by voice guidance. For example, a voice guide saying "Sheet size is different. Please replenish A4 size sheets" is produced.
[0084]
Then, when a sheet of the correct size is set, the copying operation is restarted, and sheet supply support for the visually impaired is performed.
[0085]
As described above, according to the present embodiment, it is possible to notify a visually impaired person of a cassette for replenishing sheets in a sheet replenishment operation, and support for the sheet replenishment operation is realized. In addition, since the sheet size to be replenished is transmitted to the visually impaired person by the voice guide, it is possible to appropriately replenish the sheet.
[0086]
Therefore, a user, particularly a visually impaired person, can perform an appropriate sheet supply operation without making a mistake in the supply sheet size.
[0087]
【The invention's effect】
As described above, according to the present invention, it is possible to support a user, particularly a visually impaired person, for a sheet replenishing operation, and to perform an appropriate sheet replenishing operation.
[Brief description of the drawings]
FIG. 1 is a schematic diagram illustrating an image forming apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic diagram showing an image reading device according to an embodiment of the present invention.
FIG. 3A is a block diagram of main functions of a drive control system of the image reading apparatus according to the embodiment of the present invention, and FIG. 3B is a block diagram of main functions of the image control system; FIG.
FIG. 4 is a block diagram of main functions of a controller control system according to the embodiment.
FIG. 5 is a block diagram of main functions of a printer unit control system according to the embodiment.
FIG. 6 is an external view of the image forming apparatus according to the embodiment.
FIG. 7 is a flowchart of control in the present embodiment.
[Explanation of symbols]
41 Laser unit 42 Laser mirror 43 Photoreceptor drum 44 Charger 45 Developing device 46 Transfer device 47 Separator 48 Cleaning device 49 Fixing device 51 Paper ejection tray 52 Reversing section 53 Double-sided path 101 ADF
102 Reader unit 103 Document loading tray 104 Document detection sensor 105 Feed roller 106 Flow reading position 107 Separation roller 108 Flapper 109 Paper discharge port 110 Document illumination lamps 111 to 113 Mirror 115 CCD
116 Document table 120 Paper discharge unit 121 White reference plate 600 Speakers 601 to 604 Paper cassettes 605 to 608 Open button

Claims (9)

Sheet loading means for loading sheets,
Sheet detection means for detecting whether a sheet is placed on the sheet stacking means,
A release unit that has an operation member and releases the sheet stacking unit from the apparatus main body when the operation member is operated;
Vibrating means for vibrating the operation member,
Information input means for inputting predetermined information;
An image forming apparatus that feeds a sheet stacked on the sheet stacking unit and forms an image on the sheet,
In a state where predetermined information is input to the information input unit, when the sheet detection unit detects that a sheet is not placed on the sheet stacking unit, the release unit sets the sheet stacking unit to an apparatus. An image forming apparatus comprising: a control unit that vibrates the operation member by the vibration unit until the operation member is released from the main body. A plurality of the sheet stacking means are provided,
The control unit is configured to control the operation member by the vibrating unit until the sheet stacking unit of the plurality of sheet stacking units, which is detected by the sheet detection unit not having a sheet placed thereon, is released from the apparatus main body. The image forming apparatus according to claim 1, wherein the image is vibrated. Equipped with utterance means for outputting voice guidance,
The control unit, when predetermined information is input to the information input unit, when the sheet detection unit detects that no sheet is placed on the sheet stacking unit, the release unit Until the sheet stacking means is released from the apparatus main body, the operating member is vibrated by the vibrating means, and voice guidance relating to information on sheets to be stacked on the sheet stacking means is output by the voice generating means. The image forming apparatus according to claim 1, wherein: 4. The image forming apparatus according to claim 3, wherein the information on the sheets to be stacked on the sheet stacking unit output by the utterance unit is a size of the sheet. Release detecting means for detecting that the sheet stacking means is released from the apparatus main body,
2. The control device according to claim 1, wherein when the release detection unit detects that the sheet stacking unit is released from the apparatus main body, the control unit stops the vibration operation of the operation member by the vibration unit. The image forming apparatus according to any one of claims 1 to 4. A sheet size detection unit configured to detect a size of a sheet stacked on the sheet stacking unit,
The control unit detects that the sheet stacking unit is released from the apparatus main body by the release detection unit, and stops the vibration operation of the operation member by the vibration unit. When the sheet is mounted on the apparatus main body, the sheet size detecting unit detects the sheet size of the sheet stacked on the sheet stacking unit, and the sheet to be stacked on the sheet stacking unit is loaded on the sheet stacking unit. The image forming apparatus according to claim 1, wherein when it is determined that the operation is not performed, the operation member is re-vibrated by the vibration unit. A sheet size detection unit configured to detect a size of a sheet stacked on the sheet stacking unit,
The control unit detects that the sheet stacking unit is released from the apparatus main body by the release detection unit, and stops the vibration operation of the operation member by the vibration unit. When the sheet is mounted on the apparatus main body, the sheet size detecting unit detects the sheet size of the sheet stacked on the sheet stacking unit, and the sheet to be stacked on the sheet stacking unit is loaded on the sheet stacking unit. If it is determined that the sheet size is not changed, the operating member is again vibrated by the vibrating means, and a voice guidance for notifying that the sheet size is different is output by the voice generating means. 6. The image forming apparatus according to 4 or 5. A sheet size detection unit configured to detect a size of a sheet stacked on the sheet stacking unit,
The control unit causes the sheet size detection unit to detect the sheet size of the sheet stacked on the sheet stacking unit, and that the sheet to be stacked by the sheet size detection unit is stacked on the sheet stacking unit. 5. The image forming apparatus according to claim 1, wherein the operation member is vibrated by the vibration unit until the operation member is detected. 6. 9. The image forming apparatus according to claim 1, wherein the predetermined information input to the information input unit is personal information including that a user is a visually impaired person. .

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