JP2014080279A - Image forming device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an image forming device designed so that a loading tray can be extended into a size depending on that of a paper.SOLUTION: An image forming device 1 includes: a paper ejecting part 38 ejecting a paper on which an image is formed; a loading tray 50 loading the paper ejected from the paper ejecting part 38; a body eave part 60 covering the loading tray 50; an opening part 4b through which the paper loaded on the loading tray 50 is taken out; an opening/closing cover 70 opening or closing the opening part 4b; and an extension tray 71 extending the loading tray 50 in an ejecting direction X. The extension tray 71 moves to an extension position located in the downstream side in the ejecting direction X with respect to the loading tray 50 in conjunction with the opening operation of the opening/closing cover 70.

Description

  The present invention provides a paper discharge unit that discharges an image-formed paper, a stacking tray on which the paper discharged from the paper discharge unit is stacked, a main body cover that covers the stacking tray, and a sheet stacked on the stacking tray. The present invention relates to an image forming apparatus including an opening.

  2. Description of the Related Art In recent years, image forming apparatuses such as copiers are required to have various functions, and multi-function machines having a fax machine and a scanner are widely used. By the way, in the image forming apparatus, an in-cylinder sheet discharge method has been devised in which a sheet discharge tray is provided between an image recording unit that forms an image and an image reading unit that reads an image. By adopting the in-body discharge method, the image forming apparatus can be made smaller than the structure in which the discharge tray is provided on the side surface of the image recording unit that does not face the image reading unit.

  At present, the image forming apparatus is provided with an open / close cover that opens and closes and shuts the paper discharge port in consideration of the product design, and discharges the open / close cover by discharging paper onto the open / close cover. The thing utilized as a tray is proposed (for example, refer patent document 1).

JP 2007-161369 A

  The recording apparatus described in Patent Document 1 includes a permanent magnet provided on an openable / closable paper discharge tray and a solenoid provided on the main body of the apparatus so that the permanent magnet and the solenoid come into contact when the paper discharge tray is closed. Is arranged. When the paper discharge tray is closed, the paper discharge tray is configured to fit another exterior portion. However, in the above-described configuration, the size of the paper discharge tray is designed in accordance with the exterior portion. Therefore, the recording apparatus needs to be enlarged in order to cope with the large size paper, and can be easily downsized. There was a problem that it was not possible.

  SUMMARY An advantage of some aspects of the invention is that it provides an image forming apparatus capable of extending a stacking tray to a size corresponding to a sheet.

  An image forming apparatus according to the present invention includes a sheet discharge unit that discharges an image-formed sheet, a stacking tray on which sheets discharged from the sheet discharge unit are stacked, and the stacking tray provided above the stacking tray. An image forming apparatus comprising a main body cover for covering and an opening through which a sheet stacked on the stacking tray is taken out, an opening / closing cover for opening and closing the opening, and the stacking tray in a discharge direction for discharging the sheet And the extension tray moves to an extension position located downstream of the stacking tray in the discharge direction in conjunction with the opening operation of the opening / closing cover. .

  In the image forming apparatus according to the present invention, the stacking tray includes a storage unit in which the extension tray is stored, and the extension tray moves to the storage position of the storage unit in conjunction with the shielding operation of the opening / closing cover. It is good also as composition to do.

  In the image forming apparatus according to the present invention, the extension tray may be formed integrally with the opening / closing cover.

  In the image forming apparatus according to the present invention, the open / close cover is connected to the opening through a rotation shaft parallel to the width direction of the sheets stacked on the stacking tray, and is opened and closed by a rotating operation. It is characterized by that.

  In the image forming apparatus according to the present invention, the extension tray may be configured to be inclined upward toward the downstream side in the discharge direction in a state where the extension tray is located at the extension position.

  In the image forming apparatus according to the present invention, the extension tray may be configured such that an end on the stacking tray side is provided below the stacking tray in the discharge direction in a state where the extension tray is located at the extension position. .

  In the image forming apparatus according to the present invention, the opening / closing cover may include a cover extending portion that extends from the extension tray to the downstream side in the discharge direction in an opened state.

  In the image forming apparatus according to the present invention, when the extension tray is positioned at the extension position, the extension tray is erected along the discharge direction, and the stacking tray is opposite to the sheet discharge unit in the discharge direction. A sheet take-out portion that extends downward may be provided at the end of the sheet, and the paper take-out section may be configured such that the width of the sheets stacked on the stacking tray is larger than the extension tray.

  According to the present invention, by arranging the extension tray in the extended position in conjunction with the opening / closing cover, it is possible to always load a large size sheet. That is, even if the size of the stacking tray is reduced by downsizing the image forming apparatus, the stacking tray can be extended to a size corresponding to the sheet by the extension tray when stacking the sheets.

1 is a schematic side view of an image forming apparatus according to an embodiment of the present invention. 1 is an external perspective view of an image forming apparatus according to an embodiment of the present invention. 1 is a side view of an image forming apparatus according to an embodiment of the present invention. It is an expanded sectional view which expands and shows the stacking tray vicinity by arrow AA of FIG. 1 is an external perspective view showing a state in which an open / close cover of an image forming apparatus is closed. FIG. 3 is a side view showing a state in which an open / close cover of the image forming apparatus is closed. It is an expanded sectional view which expands and shows the stacking tray vicinity by the arrow BB of FIG. FIG. 4 is an enlarged cross-sectional view showing the vicinity of a stacking tray in a state where sheets are stacked.

  Hereinafter, an image forming apparatus according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a schematic side view of an image forming apparatus according to an embodiment of the present invention.

  The image forming apparatus 1 has a copying function for reading an original and forming an image on a sheet. The image reading apparatus 2, an original conveying apparatus (ADF) 3 provided on the upper side of the image reading apparatus 2, and the image reading apparatus 2. The image forming unit 4, the sheet feeding cassette 5, and the stacking tray 50 provided on the lower side are provided. Details of the stacking tray 50 will be described with reference to FIGS. 2 and 4 described later.

  The document conveying device 3 is supported by a hinge (a fulcrum, not shown) on the back side so as to be openable and closable with respect to the image reading device 2, and is opened and closed by raising and lowering the front end. When the document conveying device 3 is opened, the upper part of the image reading device 2 is opened so that the document can be placed manually. The document conveying device 3 automatically conveys the placed document onto the image reading device 2.

  The image reading apparatus 2 is supported by the hinge (fulcrum) 42 on the back side so as to be openable and closable, and is opened and closed by moving the front end portion up and down. By opening the image reading apparatus 2, it is possible to perform maintenance of components and the like built in the image forming apparatus 1. The image reading device 2 reads the placed document or the document conveyed from the document conveying device 3 to generate image data.

  In the image forming apparatus 1, image data corresponding to a color image using each color of black (K), cyan (C), magenta (M), and yellow (Y) or a monochrome image using a single color (for example, black). Are treated. The image forming unit 4 is provided with four developing devices 12 for forming four types of toner images, a photosensitive drum 13, a drum cleaning device 14, and four chargers 15, each of which includes black, cyan, magenta, And four image stations Pa, Pb, Pc, and Pd, which are associated with yellow and yellow.

  The drum cleaning device 14 removes and collects residual toner on the surface of the photosensitive drum 13. The charger 15 uniformly charges the surface of the photosensitive drum 13 to a predetermined potential. The optical scanning device 11 exposes the surface of the photosensitive drum 13 to form an electrostatic latent image. The developing device 12 develops the electrostatic latent image on the surface of the photosensitive drum 13 to form a toner image on the surface of the photosensitive drum 13. Through the above-described series of operations, a toner image of each color is formed on the surface of each photosensitive drum 13.

  An intermediate transfer belt 21 is disposed on the upper side of the photosensitive drum 13. The intermediate transfer belt 21 circulates in the direction of arrow C, the residual toner is removed and collected by the belt cleaning device 25, and the toner images of the respective colors formed on the surfaces of the photosensitive drums 13 are sequentially transferred and superimposed. Thus, a color toner image is formed on the surface of the intermediate transfer belt 21.

  A nip area is formed between the transfer roller 26a of the secondary transfer device 26 and the intermediate transfer belt 21, and the sheet conveyed through the sheet conveyance path R1 is sandwiched and conveyed in the nip area. When the sheet passes through the nip area, the toner image on the surface of the intermediate transfer belt 21 is transferred and conveyed to the fixing device 17.

  The fixing device 17 includes a fixing roller 31 and a pressure roller 32 that rotate with a sheet interposed therebetween. The fixing device 17 sandwiches the recording paper on which the toner image is transferred between the fixing roller 31 and the pressure roller 32 and heats and presses the recording paper to fix the toner image on the recording paper.

  The paper feed cassette 5 is a tray for storing paper used for image formation, and is provided below the optical scanning device 11. The paper is pulled out from the paper feed cassette 5 by the pickup roller 33 and transported through the paper transport path R1 and passes through the secondary transfer device 26 and the fixing device 17 and passes through the paper discharge roller 36 provided in the paper discharge unit 38. Through the stacking tray 50. In the paper transport path R1, after the paper is temporarily stopped and the leading edges of the paper are aligned, the paper is fed in accordance with the transfer timing of the color toner image in the nip area between the intermediate transfer belt 21 and the transfer roller 26a. A registration roller 34 that starts conveyance, a conveyance roller 35 that facilitates conveyance of a sheet, and a paper discharge roller 36 are arranged.

  When image formation is performed not only on the front side but also on the back side of the paper, the paper is conveyed in the reverse direction from the paper discharge roller 36 to the reverse path Rr, so that the front and back sides of the paper are reversed and the paper is transferred to the registration roller 34 Then, the image is formed on the back surface in the same manner as the front surface, and the paper is carried out to the stacking tray 50.

  2 is an external perspective view of the image forming apparatus according to the embodiment of the present invention, FIG. 3 is a side view of the image forming apparatus according to the embodiment of the present invention, and FIG. It is an expanded sectional view which expands and shows the stacking tray vicinity by 2 arrow AA.

  The image forming apparatus 1 according to the embodiment of the present invention includes a stacking tray 50 on which sheets P (see FIG. 8 described later) discharged from the sheet discharge unit 38 are stacked, and a stacking tray provided above the stacking tray 50. 50, a main body collar 60 (the housing of the image reading apparatus 2) covering the sheet 50, an opening 4b through which the paper P stacked on the stacking tray 50 is taken out, and an opening / closing cover 70 for opening and closing the opening 4b. The paper discharge unit 38 is an opening provided above the stacking tray 50 and formed in the image forming unit 4. The paper discharge roller 36 is a pair of rollers provided facing the paper discharge unit 38, for example.

  Hereinafter, for simplification of description, the direction in which the sheets P are stacked on the stacking tray 50 is referred to as a stacking direction Z. That is, the main body collar 60 side corresponds to the upper side and the stacking tray 50 side corresponds to the lower side with the paper discharge unit 38 as a reference in the stacking direction Z. Further, in the discharge direction X, the sheet discharge unit 38 side is referred to as upstream, and a later-described take-out tray end 50a side is referred to as downstream.

  As shown in FIGS. 2 and 3, the upper surface of the casing of the image forming unit 4 is formed such that the portion provided with the stacking tray 50 is lower than the surroundings. That is, the housing of the image forming unit 4 is provided with side walls 4a that are opposed in the width direction Y along the width of the paper P stacked on the stacking tray 50, and the stacking tray 50 is sandwiched between the side walls 4a. Are arranged.

  The stacking tray 50 includes a tray base portion 50c provided along the paper discharge portion 38 (right side in FIG. 4), and an end portion on the opposite side of the paper discharge portion 38 from the tray base portion 50c (leftward in FIG. 4). ) And a take-out side tray end 50a further extended from the tray extension 50b. The tray base portion 50c is inclined upward toward the take-out side tray end portion 50a, and the tray extending portion 50b is a plane parallel to the paper P discharge direction X. The take-out tray end portion 50 a is provided so as to be continuous with one side surface of the casing of the image forming unit 4. In the present embodiment, the opening 4b corresponds to an area surrounded by the side wall 4a and the extraction-side tray end 50a (stacking tray 50) on the side surface of the image forming unit 4.

  In such a configuration, the stacking tray 50 is provided with two projecting ribs 51 projecting upward at the center in the width direction Y of the take-out tray end 50a. As shown in FIGS. 2 and 3, the two protruding ribs 51 are arranged at a constant distance in the width direction Y. On both sides of each protruding rib 51 in the width direction Y, there are provided sheet take-out portions 52 that expand downward in a stepwise manner.

  The protruding rib 51 is extended downstream from the tray extending portion 50b. That is, the upstream end portion of the protruding rib 51 is the same height as the tray extending portion 50b and is provided so as to gradually become higher than the tray extending portion 50b toward the take-out side tray end portion 50a (downstream). It has been. That is, the upper surface of the protruding rib 51 is inclined upward as it goes downstream. The paper take-out unit 52 is a step provided below the stacking tray 50. That is, the take-out tray end portion 50 a is a sheet take-out portion 52 that is substantially entirely formed lower than the stacking tray 50, and the protruding ribs 51 that are provided partially protrude upward from the stacking tray 50.

  On the other hand, the lower surface 60b of the main body collar portion 60 is composed of a flat surface portion 60d parallel to the discharge direction X and a collar slope portion 60c that is inclined upward. Specifically, the heel inclined portion 60c is provided on the take-out side main body end portion 60a located on the opposite side of the paper discharge portion 38 in the paper discharge direction X, and is directed from the flat surface portion 60d toward the take-out side main body end portion 60a. According to the above. In the structure in which the protruding rib 51 and the heel inclined portion 60c are inclined upward, the interval between the stacking tray 50 (particularly, the protruding rib 51 and the paper take-out portion 52) and the heel inclined portion 60c is the discharge-side main body end in the discharge direction X It is set as the structure which spreads as it goes to the part 60a.

  The end on the paper discharge portion 38 side in the discharge direction X of the heel inclined portion 60c is set at a position closer to the paper discharge portion 38 than the end portion on the paper discharge portion 38 side in the discharge direction X of the protruding rib 51.

  In the present embodiment, the main body collar 60 corresponds to the housing of the image reading device 2 described above, but is not limited thereto, and may be a cover that prevents accumulation of dust or the like on the stacking tray 50. Good. In addition, a key, a display, and the like for inputting an instruction to the image forming apparatus 1 are provided on the surface of the main body collar 60.

  The opening / closing cover 70 has a lower end connected to a lower end of the opening 4b via a rotation shaft 70a parallel to the width direction Y, and is opened and closed by a rotating operation. The opening / closing cover 70 shields the opening 4b by rotating around the rotation shaft 70a from the state shown in FIGS. 5 to 7 show a state in which the opening / closing cover 70 is closed, FIG. 5 is an external perspective view showing a state in which the opening / closing cover of the image forming apparatus is closed, and FIG. 6 shows the state of the image forming apparatus. FIG. 7 is a side view showing a state in which the open / close cover is closed, and FIG. 7 is an enlarged cross-sectional view showing the vicinity of the stacking tray at arrows BB in FIG.

  As shown in FIG. 6, the opening / closing cover 70 has a flat plate shape corresponding to the opening 4b. The opened and closed cover 70 (see FIG. 4 for details) is opened in a substantially horizontal state from the take-out tray end 50a (opening 4b) to the downstream side in the discharge direction X. That is, the height is the same as the end of the paper take-out portion 52 on the opening 4b side. Further, a drive unit (not shown) is connected to the rotating shaft 70a, and the image forming unit 4 opens the open / close cover 70 in accordance with the image formation on the paper P. Closed. Note that when the drive unit is not provided, the opening / closing cover 70 is opened and closed by the user. At this time, a stopper or the like for stopping the open / close cover 70 in an opened or shielded state may be provided.

  The opening / closing cover 70 is integrally formed with two extension trays 71 that extend the stacking tray 50 in the discharge direction X. Specifically, the extension tray 71 is erected on the back side of the opening / closing cover 70 along the discharge direction X. In addition, the two extension trays 71 are disposed at a central portion in the width direction Y of the opening / closing cover 70 while maintaining a certain distance in the width direction Y. Here, the extension tray 71 with the open / close cover 70 opened is disposed adjacent to the projecting rib 51 in the discharge direction X as shown in FIG. 4, and as shown in FIG. In the width direction Y, they are arranged in parallel near the outside of the protruding rib 51. Therefore, when the opening / closing cover 70 is closed, the extension tray 71 rotates along the side surface (outer surface) of the protruding rib 51 without colliding with the protruding rib 51, and finally, as shown in FIG. Then, the side surface of the extension tray 71 is aligned with the side surface of the protruding rib 51 and is stored in a predetermined storage position of the paper take-out portion 52. Here, the sheet take-out portion 52 is formed so that the width in the width direction Y is larger than that of the extension tray 71.

  It is desirable that the extension tray 71 is disposed at a position as close as possible to the protruding rib 51 in the width direction Y. That is, by disposing the projecting rib 51 and the extension tray 71 close to each other, the displacement of the position where the paper P is supported in the width direction Y is reduced, so that the paper P can be reliably supported. Further, in the present embodiment, the extension tray 71 has a gap between the protruding ribs 51 in the discharge direction X, but the extension tray 71 may be extended to the upstream side in the discharge direction X so that no gap is generated. Therefore, by eliminating the gap in the discharge direction X, it is possible to prevent a stacking failure caused by the leading edge of the paper P entering the gap.

  Further, on the upper surface of the extension tray 71, an extension inclined portion 71a that is inclined downward from the substantially central portion in the discharge direction X toward the protruding rib 51 side (upstream side) is formed. That is, the extended inclined portion 71a is inclined upward as it goes downstream in the discharge direction X. That is, the upper surface of the extension tray 71 has a shape inclined upward as it goes downstream in the discharge direction X. Further, the extended inclined portion 71 a is formed so that the end portion on the stacking tray 50 side is lower than the protruding rib 51.

  The extension tray 71 is shorter than the opening / closing cover 70 in the discharge direction X. In other words, the opening / closing cover 70 includes a cover extending portion 70 b that extends downstream from the extension tray 71 in the discharge direction X.

  As described above, in the state where the opening / closing cover 70 is opened, the extension tray 71 is disposed at the extension position located on the downstream side in the discharge direction X with respect to the stacking tray 50. That is, the extension tray 71 moves between the extended position where the stacking tray 50 is extended and the storage position stored in the paper take-out section 52 (storage section) in conjunction with the operation of opening and closing the opening / closing cover 70. Has been.

  FIG. 8 is an enlarged cross-sectional view showing the vicinity of a stacking tray in a state where sheets are stacked.

  As shown in the drawing, the paper P is stacked along the tray base 50c and the tray extending portion 50b. At the take-out tray end 50a downstream from the tray extending portion 50b, the central portion in the width direction Y is formed by the protruding rib 51. The both ends in the width direction Y are supported and are located above the sheet take-out portion 52 in a separated state. In the extension tray 71 downstream of the projecting rib 51, the sheet P is positioned at the center in the width direction Y by the extension tray 71, and both ends in the width direction Y are positioned above in a state of being separated from the opening / closing cover 70. . The user can grip and take out the paper P stacked on the stacking tray 50 by inserting a hand below the paper P from the side surface where the take-out tray end 50a is provided. When a large size paper P is stacked, the leading end of the paper P protruding downstream from the extension tray 71 is received by the cover extending portion 70b.

  In the present embodiment, the extension tray 71 is configured to be stored in the paper take-out unit 52. However, the present invention is not limited to this, and a structure in which a recess or the like in which the extension tray 71 is stored is formed in the stacking tray 50. It is good.

  Further, the opening / closing cover 70 and the extension tray 71 may be separated from each other. For example, the extension tray 71 is configured to slide in the discharge direction X, is urged downstream by a spring or the like, and is received by the opening / closing cover 70. By opening the opening / closing cover 70, the extension tray 71 moves downstream to extend the stacking tray 50.

  Furthermore, in this invention, it can select suitably about the number and shape of the extension tray 71 and the protrusion rib 51. FIG. That is, in FIG. 2 and FIG. 3, it was set as the structure provided with two each of the extension trays 71 and the protrusion rib 51 which are narrow in the width direction Y, but it is not limited to this. It is good also as a structure provided with one protrusion rib 51. FIG. Further, a configuration may be adopted in which one extension tray 71 that is wide in the width direction Y is accommodated in a sheet take-out portion 52 provided between the two protruding ribs 51.

  An image forming apparatus according to an embodiment of the present invention is provided with a sheet discharge unit that discharges an image-formed sheet, a stacking tray on which sheets discharged from the sheet discharge unit are stacked, and an upper side of the stacking tray. An image forming apparatus comprising: a main body cover that covers the stacking tray; and an opening through which a sheet stacked on the stacking tray is taken out, an opening / closing cover that opens and closes the opening, and a discharge direction in which the sheet is discharged An extension tray that extends the stacking tray, and the extension tray moves to an extension position located downstream of the stacking tray in the discharge direction in conjunction with the opening operation of the opening / closing cover. It is characterized by. According to this configuration, by arranging the extension tray in the extended position in conjunction with the opening / closing cover, it is possible to always load a large size sheet. That is, even if the size of the stacking tray is reduced by downsizing the image forming apparatus, the stacking tray can be extended to a size corresponding to the sheet by the extension tray when stacking the sheets.

  In the image forming apparatus, the stacking tray includes a storage unit that stores the extension tray, and the extension tray moves to a storage position of the storage unit in conjunction with a shielding operation of the opening / closing cover. It is said. According to this configuration, when the sheets are not stacked, it is possible to save the space of the image forming apparatus by closing the opening / closing cover and storing the extension tray in the storage unit.

  In the image forming apparatus, the extension tray is formed integrally with the opening / closing cover. According to this configuration, by forming the extension tray integrally with the opening / closing cover, the extension tray and the opening / closing cover can be easily interlocked, and a simple structure can be achieved.

  Further, in the image forming apparatus, the opening / closing cover is configured such that a lower end portion is connected to the opening via a rotation shaft parallel to the width direction of the sheets stacked on the stacking tray and is opened and closed by a rotating operation. It is said. According to this configuration, the stacking tray can be reliably extended by a simple operation by adopting a structure that is opened and closed by a rotating operation.

  In the image forming apparatus, the extension tray is configured to be inclined upward toward the downstream side in the discharge direction in a state where the extension tray is located at the extension position. According to this configuration, by tilting the extension tray, it is possible to prevent the sheets from slipping down and stack the sheets reliably.

  In the image forming apparatus, the extension tray is positioned at the extension position, and an end on the stacking tray side is provided below the stacking tray in the discharge direction. According to this configuration, by providing the extension tray below the stacking tray, the leading end of the discharged paper can be prevented from being blocked by the extension tray, and the sheets can be stacked smoothly.

  Further, in the image forming apparatus, the opening / closing cover is configured to include a cover extending portion that extends from the extension tray to the downstream side in the discharge direction in the opened state. According to this configuration, it is possible to prevent the sheets from falling from the stacking tray by receiving the leading edge of the sheet that has jumped out of the extension tray by the cover extending portion.

  In the image forming apparatus, when the extension tray is positioned at the extension position, the extension tray is erected along the discharge direction, and the stacking tray is an end opposite to the sheet discharge unit in the discharge direction. A sheet take-out section that extends downward is provided in the section, and the paper take-out section is configured such that the width in the width direction of the sheets stacked on the stacking tray is larger than the extension tray. According to this configuration, it is possible to provide an extension tray that supports paper with a simple structure. Further, by providing a wide paper take-out section, it is possible to secure a space for inserting a hand under the paper when the user collects the paper, thereby improving the user's work efficiency.

  It should be noted that the embodiment disclosed herein is illustrative in all respects and does not serve as a basis for limited interpretation. Therefore, the technical scope of the present invention is not interpreted only by the above-described embodiment, but is defined based on the description of the scope of claims. Moreover, all the changes within the meaning and range equivalent to a claim are included.

DESCRIPTION OF SYMBOLS 1 Image forming apparatus 4b Opening part 38 Paper discharge part 50 Stacking tray 50a Extraction side tray edge part 50b Tray extending | stretching part 50c Tray base 51 Protruding rib 52 Paper extraction part (an example of a storage part)
60 Main body flange portion 60a Take-out side main body edge portion 60b Lower surface 60c 庇 Inclined portion 60d Flat surface portion 70 Opening / closing cover 70a Rotating shaft 70b Cover extension portion 71 Extension tray 71a Extension inclination portion P Paper X Discharging direction Y Width direction Z Stacking direction

Claims (5)

A paper discharge section for discharging the image-formed paper, a stacking tray on which the paper discharged from the paper discharge section is stacked, a main body collar provided above the stacking tray and covering the stacking tray, and the stacking tray An image forming apparatus including an opening through which a sheet stacked on the sheet is taken out.
An opening and closing cover for opening and closing the opening;
An extension tray that extends the stacking tray in a discharge direction in which paper is discharged,
The image forming apparatus, wherein the extension tray moves to an extension position located downstream of the stacking tray in the discharge direction in conjunction with an opening operation of the opening / closing cover. The image forming apparatus according to claim 1,
The stacking tray includes a storage unit in which the extension tray is stored,
The image forming apparatus, wherein the extension tray moves to the storage position of the storage portion in conjunction with the shielding operation of the opening / closing cover. The image forming apparatus according to claim 1, wherein:
The image forming apparatus, wherein the extension tray is positioned at the extension position, and an end on the stacking tray side is provided below the stacking tray in the discharge direction. An image forming apparatus according to any one of claims 1 to 3, wherein
The image forming apparatus according to claim 1, wherein the opening / closing cover includes a cover extending portion that is extended from the extension tray toward the downstream side in the discharge direction in an opened state. An image forming apparatus according to any one of claims 1 to 4, wherein
The extension tray is erected along the discharge direction when located in the extended position,
The stacking tray is provided with a paper take-out portion that extends downward at the end opposite to the paper discharge portion in the discharge direction,
The image forming apparatus, wherein the sheet take-out unit has a width in the width direction of the sheets stacked on the stacking tray larger than the extension tray.

Images