JP3559831B2 - Image forming device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an image forming apparatus such as a copying machine, a printer, and a facsimile, and a composite image forming apparatus in which a plurality of types of image forming apparatuses are combined into one.
[0002]
[Prior art]
A conventional facsimile apparatus includes a sheet feeding unit that separates and feeds a document loaded in a sheet feeding tray, a reading unit that reads an image of a document while conveying the document separated and fed by the sheet feeding unit, Image forming means for forming an image on a recording sheet in accordance with information; discharging means for discharging the recording sheet on which an image has been formed by the image forming means with the image side down, or discharging with the image side up There is a printer having a paper discharging means for discharging paper to a paper tray.
[0003]
[Problems to be solved by the invention]
The conventional facsimile apparatus as described above has the following problems.
[0004]
{Circle around (1)} Since the paper output tray and paper feed tray protrude from the equipment cabinet, a large installation space is required to install the equipment. In particular, the paper output tray and paper feed tray are located on different sides of the equipment cabinet. If it is protruding, at least two protruding surfaces of the paper discharge tray and the paper feed tray cannot be brought close to the wall, so that the use efficiency of the installation space in an office or the like is reduced.
[0005]
{Circle around (2)} An opening / closing section for exchanging jammed recording paper or consumable parts is usually provided on an exterior panel of the apparatus cabinet. However, in order to make the opening / closing section openable, the opening / closing section is opened. There must be enough space for the projection.
[0006]
{Circle over (3)} The paper discharge means for discharging the image with the image surface downward is used to reproduce the images read in order from the first page of the original on the recording paper. This is convenient because it is stacked on the output tray.However, when using an auto feeder that starts feeding from the last page of the original, the recording paper is placed on the output tray with the page order reversed. They will be stacked. Further, depending on the use situation, there may be a case where it is desired to start the next image formation while checking the image formed on the discharged recording paper. In this case, a paper discharging means for discharging the paper with the image surface facing down Is inconvenient.
[0007]
{Circle around (4)} In the case of using an auto feeder that starts feeding from the last page of the document, the sheet discharging means for discharging the paper with the image surface facing upward is placed on the discharge tray in a state where the pages are aligned. This is convenient because the recording paper is stacked, but when the image read from the first page of the original by the reading means is reproduced on the recording paper, the image is recorded on the paper output tray with the page order reversed. Paper is stacked. Also, depending on the use situation, there is a case where the image content formed on the recording paper is not desired to be viewed by a third party. In this case, the paper discharging means for discharging the paper with the image surface upward is provided on the paper discharging tray. The image may be viewed by a third party.
[0008]
SUMMARY OF THE INVENTION It is an object of the present invention to provide an image forming apparatus which can secure a space in which an openable opening / closing portion protrudes.
[0009]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a first means of the present invention includes a paper feeding means for feeding recording paper, and a paper feeding means provided on the paper feeding means, for recording paper fed from the paper feeding means. Image forming means for forming an image, sheet discharging means provided on the image forming means, for discharging a recording sheet on which an image is formed by the image forming means, and recording discharged from the sheet discharging means A discharge tray for stacking paper, a transport path for guiding recording paper fed from the paper feeding means in a direction along a side surface of the apparatus main body to the paper discharging means via the image forming means, and A re-feeding path for reversing the surface of the recording sheet on which the image is formed by the imaging means and re-feeding the paper to the image forming means; An image forming apparatus provided with a switching unit for switching to a paper feed path, wherein the re-feed path is located before the transport path. Device is provided on the side surface of the main body, the first opening and closing part for opening the transport path, wherein a second opening and closing part for opening and closing the re-feeding path, the said first, second opening and closing part A paper supply tray for loading recording paper, and a separation paper supply unit for separating and supplying the recording paper loaded in the paper supply tray are provided on the side of the apparatus main body so as to be openable and closable from above in the same direction. It is provided on the side surface of the apparatus main body, and the separation sheet feeding means is provided on the side surface side of the apparatus main body with respect to the transport path and below the re-feeding path . By such a configuration, first, second opening and closing part is provided on the side surface side of the apparatus main body, by being openably supported from above in the same direction, the jammed paper removal and consumable parts Replacement becomes easy. In addition, it is possible to perform separate sheet feeding from the sheet feeding tray with a simple configuration without increasing the size of the entire apparatus.
[0010]
Further, the second means is characterized in that the opening / closing fulcrum of the second opening is provided in the first opening / closing section.
[0011]
Further, the third means is characterized in that the refeeding path is provided to be openable and closable inside the first opening and closing unit.
[0012]
Further, the fourth means is characterized in that the second opening / closing section is opened by opening the first opening / closing section.
[0013]
Furthermore, the fifth means, the paper feed tray, and wherein the storage position standing upward in a direction along the side surface of the apparatus main body, the recording sheet can be moved to and possible open position loaded I do.
[0014]
Further, the sixth means is characterized in that the paper feed tray is provided in a first opening / closing section.
[0015]
Further, the seventh means is characterized in that a reading means for scanning a document is provided on the paper discharge tray.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0017]
FIG. 1 is a configuration diagram of an embodiment of the image forming apparatus of the present invention, and FIG. 2 is a perspective view of the image forming apparatus of the present embodiment. The copying machine according to the present embodiment includes a reading unit arranged above the apparatus cabinet 1 for scanning a document D, and a unit arranged below the reading unit in the apparatus cabinet 1 to form an image on a recording sheet P based on image information. An image forming means, a paper discharging means arranged between the reading means and the image forming means in the apparatus cabinet 1 for discharging the recording paper P on which an image is formed by the image forming means, and the recording paper P to the image forming means. Paper feed means for feeding paper.
[0018]
In the image forming means, 11 is a photosensitive drum, 12 is a charger for uniformly charging the photosensitive drum 11, and 13 scans the photosensitive drum 11 with a laser beam L corresponding to image information. A laser optical system for forming an electrostatic latent image, a developing device 14 for developing the electrostatic latent image on the photosensitive drum 11 into a toner image, and a transfer device 15 for transferring the toner image on the photosensitive drum 11 to the recording paper P Reference numeral 16 denotes a cleaning unit that removes and collects the toner remaining on the photosensitive drum 11 after the transfer is completed, and 17 denotes a fixing unit that fixes the toner image transferred onto the recording paper P.
[0019]
In the paper feeding means, reference numeral 21 denotes a paper feeding cassette, and the two paper feeding cassettes 21 are respectively mounted at mounting positions provided at two upper and lower positions in the apparatus cabinet 1, and an arrow A shown in FIG. Can be extracted in any direction. Reference numeral 22 denotes an urging plate for urging the recording paper P loaded in the paper feeding cassette 21 upward, 23 denotes a separation claw for hooking the leading end of the recording paper P on the paper feeding side, and 24 denotes a half-moon-shaped paper feeding roller. With one rotation of the paper feed roller 24, the uppermost recording paper P in the paper feed cassette 21 is separated and fed by the separation claw 23 while preventing double feeding. Reference numeral 25 denotes a paper feed path constituted by a guide plate and rollers, and reference numeral 26 denotes a pair of registration rollers. The paper feed path 25 conveys the recording paper P separated and fed by the paper feed roller 24 to the pair of registration rollers 26.
[0020]
Reference numeral 27 denotes a paper feed tray configured to be openable and closable at a storage position indicated by a solid line and an open position indicated by a two-dot chain line, 28 denotes a paper feed roller, and 29 denotes a separation pad. As is apparent from FIG. 1, the paper feed tray 27 and the separation pad 29 are provided on the side surface of the apparatus cabinet 1, and the separation pad 29 is moved from the pair of registration rollers 26 through the image forming means to the paper discharging means. It is provided below the re-feeding path ( described later ) on the side of the apparatus cabinet 1 with respect to the path for transporting P. The recording paper P can be loaded in the paper feed tray 27 in the open position, and the recording paper P loaded in the paper feed tray 27 is fed to the image forming means by setting the paper feed tray 27 to the open position. You. The recording paper P in the paper feed tray 27 is conveyed to the pair of registration rollers 26 while the double feed is prevented by the separation pad 29 due to the rotation of the paper feed roller 28. Here, the registration roller pair 26 starts conveyance of the recording paper P fed from the paper feed cassette 21 or the paper feed tray 27 in synchronization with the toner image on the photosensitive drum 11.
[0021]
In the paper discharging means, reference numeral 31 denotes a second paper discharging path for discharging the recording paper P to a paper discharging tray 32, which is constituted by a guide plate and rollers, 33 a switching claw for switching the paper discharging direction of the recording paper P, and 34. Indicates that the recording paper P is fed to the second paper discharge path 31 when the switching claw 33 is at the position of the solid line, and that the first paper discharge path is provided when the switching claw 33 is at the position of the two-dot chain line. And a discharge roller for discharging the recording paper P to the discharge tray 35. The second paper discharge path 31 discharges the recording paper P onto the paper discharge tray 32 with the image surface on which the image is formed facing upward, and the paper discharge roller 34 switches the switching claw 33 to the position indicated by the two-dot chain line. , The recording paper P is discharged onto the discharge tray 35 with the image side down.
[0022]
Reference numeral 36 denotes a re-feeding path for reversing the surface and transporting the recording paper P to the pair of registration rollers 26 in order to form an image on the other surface of the recording paper P having an image formed on one surface. Is a switching claw. The re-feeding path 36 and the first transport path are arranged so as to guide recording paper in the vertical direction along the side surface of the apparatus cabinet 1. When an image is formed only on one surface of the recording paper P, the switching claw 37 moves to a position indicated by a solid line. When an image is formed on both surfaces of the recording paper P, an image is formed on one surface. The recording paper P thus conveyed is transported in the reverse direction from the second paper discharge path 31, and the switching claw 37 is moved to the position indicated by the two-dot chain line. As a result, the recording sheet P is conveyed to the registration roller pair 26 by the re-feeding path 36, and is discharged to the discharge tray 32 or 35 after an image is formed on the other surface.
[0023]
The discharge tray 32 includes an extension plate 32a movable to a storage position indicated by a solid line and an extension position indicated by a two-dot chain line. By setting the extension plate 32a to the storage position, the discharge tray 32 By being substantially stored in the horizontal projection plane, and by setting the extension plate 32a to the extension position, the sheet discharge tray 32 is extended to a position protruding from the apparatus cabinet 1, and the area of the tray can be enlarged. Here, the extension plate 32a at the extension position is disposed so as to protrude from the same surface as the sheet feed tray 27 at the open position in the apparatus cabinet 1. The paper discharge tray 35 is arranged in the apparatus cabinet 1 so as not to increase the horizontal projection area of the entire apparatus.
[0024]
In the reading means, 41 is a document tray on which a document D for reading an image is loaded, 42 is a biasing plate for biasing the document D loaded on the document tray 41 upward, and 43 is a feeding plate which presses against the uppermost document D. A paper roller, 44 is a separation roller pair, 45 is a reading roller, 46 is a contact type image sensor which is a reading unit having an equal-magnification optical system, and 47 is a guide roller and a driven roller in contact with the reading roller 45. A reading guide path, 48 is a pair of conveying rollers, 49 is a pair of discharging rollers, 50 is a re-feeding path for re-feeding the original D to the reading guide path 47 by reversing the surface, 51 is a guide claw 51a and this guide claw This is a switching guide constituted by a guide claw 51b that moves in parallel with 51a. When reading only one side of the document D, the switching guide 51 is fixed at the position indicated by the solid line, and the document D is discharged onto the discharge tray 52 by the discharge roller pair 49. When reading both sides of the document D, the document D is discharged from the switching guide 51 to the discharge roller pair 49, temporarily stopped by the discharge roller pair 49, and then the switching guide 51 is moved to the position indicated by the two-dot chain line. To rotate the discharge roller pair 49 in the reverse direction. As a result, the original D is fed to the re-feeding path 50 with its surface inverted, and after the image is read by the contact image sensor 46, the transport roller pair 48, the switching guide 51, and the discharge roller pair 49 are moved. The paper passes through the paper discharge tray 52 and is discharged.
[0025]
A case 150 and a case 160 are arranged inside the device cabinet 1, and a power supply 151 and an electric device and a control unit such as a printed board 152 are mounted in the case 150, and a controller board 161 and the like are mounted in the case 160. Have been. An operation unit 170 having input keys, a display panel and the like is arranged on the outer surface of the apparatus cabinet 1 as shown in FIG. It is possible to set image forming conditions such as whether to read only one side or both sides, and whether to form an image on only one side or both sides of the recording paper P. The operation unit 170 is provided above the paper discharge tray 35 in the device cabinet 1 and at a part of the end of the outer surface of the device cabinet 1, so that the inside of the cabinet 1 can be easily seen.
[0026]
The image forming apparatus of the present embodiment is configured as a composite image forming apparatus having the functions of a copier, a printer, and a scanner. When this image forming apparatus is used as a copier, an image of a document D is read by a reading unit, and an image is formed on a recording sheet P by an image forming unit based on image information from the reading unit. When used as a printer, the image forming unit forms an image on the recording paper P based on image information from an external computer or the like. When used as a scanner, the image read by the reading unit is converted into image information in a predetermined format and output to an external filing device or the like.
[0027]
FIG. 3 is a configuration diagram of the opening / closing cover in the image forming apparatus of the present embodiment. The vicinity of the support portion of the paper feed tray 27 in the device cabinet 1 is configured as a maintenance opening / closing cover 60, and the opening / closing cover 60 is supported by the device cabinet 1 so as to be openable and closable about a support shaft 61. By opening the opening / closing cover 60 at the closed position in FIG. 2 to the open position in FIG. 3, the conveyance path and the re-feed path 36 of the recording paper P near the photosensitive drum 11 can be opened to be exposed outside the apparatus. it can. Therefore, by opening the opening / closing cover 60, consumable parts such as the photosensitive drum 11 and the developing device 14, which are components of the image forming means, can be easily replaced. And the recording paper P jammed in the vicinity of the photosensitive drum 11 can be easily removed.
[0028]
The opening / closing cover 60 supports the sheet tray 27 so as to be openable and closable, and the opened opening / closing cover 60 is configured to protrude from the same surface of the sheet tray 27 in the open position and the apparatus cabinet 1. I have.
[0029]
According to the image forming apparatus of the present embodiment described above, the paper discharging unit discharges the recording paper with the image surface downward, and the second paper discharge path 31 with the image surface upward. A switching claw 33 that configures a first paper discharge path for feeding paper and switches the transport path of the recording paper P to either the first paper discharge path or the second paper discharge path 31 according to set conditions; Thus, the recording paper P can be discharged regardless of whether the image surface is directed downward or upward in accordance with the setting conditions at the time of image formation. For this reason, when an image obtained by reading the bundle of documents in order from the first page by the reading means is reproduced on the recording paper P, the recording paper P is placed on the discharge tray 35 in a state where the pages are aligned by the switching claw 33. By stacking the recording paper P on the discharge tray 32 and discharging the recording paper P onto the discharge tray 32, the next image formation can be started while confirming the image formed on the recording paper P. , It is possible to prevent a third party from seeing the image content of the recording paper P.
[0030]
Further, the paper discharging means reverses the surface of the recording paper P on which an image is formed on one surface by the image forming means, and re-feeds the paper to the image forming means. And a switching claw 37 for switching the conveyance path of the recording sheet P from the sheet discharging direction to the re-feeding path 36 in accordance with the condition of the image forming apparatus. Recording can be performed, and if the discharge tray 32 is selected, the recording paper P on which images are formed on both sides can be discharged in a state where the page order is aligned.
[0031]
Further, the extension plate 32a of the paper output tray 32 and the paper feed tray 27 can be stored at a position where the extension plate 32a of the paper output tray 32 hardly protrudes from the horizontal projection surface of the apparatus cabinet 1, and the extension plate 32a of the paper output tray 32 is moved to the extended position. Also, even when the paper feed tray 27 is opened, the extension plate 32a and the paper feed tray 27 protrude from the same surface of the apparatus cabinet 1, so that an increase in the installation space due to the paper output tray 32 and the paper feed tray 27 is suppressed. It is possible to use the installation space efficiently by bringing the device cabinet 1 close to the wall. Further, since the opening / closing cover 60 is supported so as to be openable and closable in the same direction as the paper feed tray 27, the opening / closing cover 60 can be opened even when the jammed recording paper P is removed or when a consumable part is replaced. The required space can be suppressed.
[0032]
FIGS. 4 and 5 are configuration diagrams showing other examples of the reading unit in the image forming apparatus of the present embodiment. Members corresponding to those described with reference to FIGS. 1 to 3 are denoted by the same reference numerals. And the description is omitted.
[0033]
FIG. 4 shows an example of a reading means for reading an image while fixing the original D. Reference numeral 71 denotes a contact glass on which the original D is placed. Reference numeral 72 denotes an original D while moving along the original D on the contact glass 71. , A first mirror 73 that moves together with the light source lamp 72, second and third mirrors 74 and 75 that move at half the speed of the light source lamp 72, and 76 a mirror 73, 74, 75 A lens that forms an image of the reflected light from the document D that enters through the sensor; 77, a reading sensor that reads light formed by the image forming lens 76; 78, an auto feeder 80 for the document D that is housed inside; An original cover 79 supported on the glass 71 so as to be openable and closable is a control electrical unit of the optical system.
[0034]
In the auto feeder 80, reference numeral 81 denotes a document tray on which a document D is loaded; 82, a paper feed roller; 83, a pair of separation rollers; 84, a conveyance path formed by rollers and guide plates; The reference numeral 86 denotes a discharge roller pair, and 87 denotes a discharge tray. The auto feeder 80 is of a type for feeding a bundle of documents from below (a type for feeding from the last page).
[0035]
Here, when reading a document D such as a book or a booklet, the document cover 78 is opened and the image surface of the document D is brought into close contact with the contact glass 71 without using the auto feeder 80. The reading unit moves the light source lamp 72 and the mirrors 73, 74 and 75 in the sub-scanning direction along the document D, and reads the document D by photoelectrically converting light on the main scanning line at predetermined intervals by the reading sensor 77. Do.
[0036]
When the auto feeder 80 is used to read the sheet-shaped document D, the document D is turned upside down with the document cover 78 closed, and the first page is at the top. Is loaded on the document tray 81. The original D is separated and fed from the lowest order by the feed roller 82 and the separation roller pair 83, fed to the transport path 84, and fed between the contact glass 71 and the transport belt 85 by the transport path 84. . The transport belt 85 transports the document D on the contact glass 71 and temporarily stops at a predetermined position. The reading unit reads the document D as in the case where the auto feeder 80 is not used. The document D is transported again by the transport belt 85 after the reading is completed, and is discharged onto a discharge tray 87 by a pair of discharge rollers 86. At this time, the layers are stacked such that the image surface is at the bottom and the first page is at the bottom.
[0037]
In the image forming apparatus having the above-described reading means, when an image is formed on the recording paper P based on the image information from the reading means, and when the auto feeder 80 is not used, the recording paper P is discharged to the discharge tray 35. When the automatic paper feeder 80 is used and the automatic feeder 80 is used, the recording paper P is set so that the recording paper P is discharged to the paper discharge tray 32. The sheets can be discharged to the discharge trays 32 and 35 in order.
[0038]
FIG. 5 shows an example of a reading unit capable of setting a mode for reading an image while fixing the document D and a mode for reading while moving the document D. Reference numeral 91 denotes a first contact glass on which the document D is placed; Reference numeral 92 denotes a document cover supported on the first contact glass 91 so as to be openable and closable, 93 denotes a light source lamp that illuminates the document D while moving along the document D, 94 denotes a first mirror that moves together with the light source lamp 93, 95; Reference numeral 96 denotes a second mirror and a third mirror that move at half the speed of the light source 93, 97 denotes an imaging lens that forms an image of reflected light from the document D incident through the mirrors 94, 95, and 96, and 98 denotes an imaging lens. A reading sensor 99 for reading light formed by the image forming lens 97, and a control electrical unit 99 of the optical system.
[0039]
Reference numeral 100 denotes an auto feeder, 101 denotes a document tray on which the document D is loaded, 102 denotes an urging plate for urging the document D on the document tray 101 upward, and 103 denotes a document D urged by the urging plate 102. 104, a pair of separation rollers; 105, a reading roller; 106, a reading guide path formed by rollers and guide plates; 107, a pair of discharging rollers; 108, a second contact facing the reading roller 105; It is glass.
[0040]
Here, when the auto feeder 100 is not used, the document cover 92 is opened and the image surface of the sheet-shaped document D or the bound document such as a book or a booklet is brought into close contact with the first contact glass 91. The reading means reads the document D by moving the light source lamp 93 and the mirrors 94, 95, 96 in the sub-scanning direction along the document D, and photoelectrically converting reflected light on the main scanning line at predetermined intervals by the reading sensor 98. I do.
[0041]
When the auto feeder 100 is used, a bundle of documents having the document D facing upward and one page on the top is loaded into the document tray 101 with the document cover 92 closed. The document D is separated and fed by the feed roller 103 and the separation roller pair 104 and fed to the reading guide path 106. The reading guide path 106 conveys the document D at a constant speed while being wound around the reading roller 105. At this time, the reading unit stops the light source lamp 93 and the mirrors 94, 95, and 96 at the positions indicated by the solid lines, and reads the reflected light from the document D moving on the second contact glass 108 by the reading sensor 98. The document D that has passed over the second contact glass 108 is discharged by the discharge roller pair 107 with the document surface down on the document cover 92 and the first page at the bottom.
[0042]
In the image forming apparatus provided with the above-described reading unit, when an image is formed on the recording sheet P based on the image information from the reading unit, the sheet discharging unit is set so that the recording sheet P is discharged to the discharge tray 35. By doing so, the recording paper P can be arranged in the page order and discharged to the discharge tray 35.
[0043]
Each of the above-described embodiments is of a type in which the document reading apparatus is attached to the upper part of the cabinet from the beginning, but may be applied to an apparatus of a type in which a user can selectively attach and detach the apparatus. Although an example of the facsimile apparatus is not described, for example, a facsimile apparatus capable of transmitting an image of the document D to a remote place by incorporating a known transmitting / receiving means into the apparatus of FIG. It goes without saying that the present invention is not limited to this embodiment but can be applied under the present technical concept.
[0044]
【The invention's effect】
As described above, the first and second opening / closing portions are provided on the side surface of the apparatus main body and are supported so as to be openable / closable from the upper side in the same direction, so that the jammed recording paper can be removed and the consumable parts can be replaced. It will be easier.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of an embodiment of an image forming apparatus according to the present invention.
FIG. 2 is a perspective view of an image forming apparatus according to one embodiment of the present invention.
FIG. 3 is a configuration diagram of an opening / closing cover in the image forming apparatus according to one embodiment of the present invention.
FIG. 4 is a configuration diagram illustrating another example of a reading unit in the image forming apparatus according to one embodiment of the present invention.
FIG. 5 is a configuration diagram illustrating another example of a reading unit in the image forming apparatus according to one embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Device cabinet, 27 ... Paper feed tray, 31 ... Second paper discharge path, 32, 35 ... Paper discharge tray, 32a ... Extension plate, 33, 37 ... Switching claw, 34 ... Paper discharge roller, 36 ... Resupply Paper path, 60: open / close cover, D: manuscript, P: recording paper.

Claims (7)

Paper feeding means for feeding recording paper; image forming means provided on the paper feeding means for forming an image on the recording paper fed from the paper feeding means; provided on the image forming means A paper discharge means for discharging the recording paper on which an image is formed by the image forming means, a paper discharge tray for stacking the recording paper discharged from the paper discharge means, and a direction along a side surface of the apparatus main body. A conveyance path for guiding the recording paper fed from the paper feeding means to the paper discharging means via the image forming means, and reversing the surface of the recording paper on which an image is formed by the image forming means, An image forming apparatus comprising: a re-feeding path for re-feeding the image forming means; and a switching unit for switching the transport path from the discharge direction to the re-feeding path in accordance with a setting condition at the time of image formation.
The re-feeding path is provided on the side of the apparatus main body with respect to the transport path, and has a first opening / closing section that opens the transport path, and a second opening / closing section that opens and closes the re-feed path. the first, on the side of the second closing part the apparatus main body, provided to be opened and closed from the upper side in the same direction, a paper feed tray for loading the recording sheet, the recording paper loaded in the paper feed tray And separating paper feeding means on the side of the apparatus main body, and providing the separating paper feeding means on the side of the apparatus main body from the transport path and below the re-feeding path. An image forming apparatus. 2. The image forming apparatus according to claim 1, wherein an opening fulcrum of the second opening and closing unit is provided in the first opening and closing unit. 3. The image forming apparatus according to claim 2, wherein the re-feeding path is provided to be openable and closable inside the first opening and closing unit. 4. The image forming apparatus according to claim 2, wherein the second opening / closing section is opened by opening the first opening / closing section. The paper feed tray, any of the preceding claims, characterized a storage position standing upward in a direction along the side surface of the apparatus main body, the recording sheet can be moved to and possible open position loaded The image forming apparatus according to claim 1. The image forming apparatus according to claim 5, wherein the sheet tray is provided in a first opening / closing unit. The image forming apparatus according to claim 1, wherein a reading unit that scans a document is provided on the discharge tray.

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