JP5555666B2 - Image forming apparatus - Google Patents

Description

  The present invention relates to an image forming apparatus such as a copying machine, a printer, a facsimile, or a composite machine thereof, and more particularly to an image forming apparatus that is detachably provided with a sheet post-processing unit that performs post-processing such as binding processing.

  2. Description of the Related Art Conventionally, a sheet post-processing apparatus capable of stacking a plurality of sheets on which images are formed by an image forming apparatus such as a copying machine or a printer, and binding the stacked sheet bundles together with staples is known. When post-processing such as binding processing is performed on a relatively large amount of paper, the paper post-processing apparatus as described above is used.

  Some image forming apparatuses include an image reading unit above the image forming unit, and a cylinder discharge type including a cylinder discharge unit between the image reading unit and the image forming unit. A paper discharge tray is disposed in the in-body discharge portion, and the paper discharged to the paper discharge tray after the end of image formation is taken out from the front side of the apparatus main body. A sheet on which an image is formed by such an in-cylinder discharge type image forming apparatus is conveyed to a sheet post-processing apparatus disposed in the side surface direction of the apparatus main body through the in-cylinder sheet discharge unit, and is bound by the sheet post-processing apparatus. Processing etc. were given.

  For example, in Patent Document 1, a relay conveyance unit is provided in the apparatus main body, and a sheet post-processing apparatus is attached to one side portion of the apparatus main body. The relay transport unit is a first transport path for discharging the paper discharged from the discharge section of the apparatus main body to a paper discharge tray provided on the upper surface of the relay transport unit, and a first transport path which is transported by a pair of transport rollers and sent into the paper post-processing apparatus. It is provided so that it can be switched between two transport paths. The paper guided to the second transport path is transported to the paper post-processing device, subjected to binding processing by the paper post-processing device, and then discharged to the paper output tray of the paper post-processing device.

JP 2000-153934 A (paragraphs [0019] to [0023], FIG. 1)

  Usually, in order to transport the image forming apparatus to an office or the like, or to move the installation position of the image forming apparatus, handle portions for lifting the image forming apparatus are provided on both side portions of the apparatus main body. In the case of moving an image forming apparatus having a sheet post-processing device attached to the apparatus main body, in the image forming apparatus disclosed in Patent Document 1, after the paper post-processing apparatus is removed from the apparatus main body, the apparatus main body is moved by a handle portion of the apparatus main body. It has been necessary to lift and move it to a predetermined position, then move the paper post-processing apparatus to a predetermined position, and mount the paper post-processing apparatus on the apparatus main body at the predetermined position. With such a configuration, there is a problem that the movement of the image forming apparatus becomes complicated.

  SUMMARY An advantage of some aspects of the invention is that it provides an image forming apparatus that can be easily carried without removing a sheet post-processing apparatus.

  In order to achieve the above object, a first invention includes a discharge unit that discharges an image-formed sheet in a side surface direction of the apparatus main body, a sheet post-processing unit into which the sheet discharged from the discharge unit is carried, A unit mounting portion on which a sheet post-processing unit can be placed and which can be attached to and detached from one side surface of the apparatus main body, and a concave first handle portion that is provided on both side surfaces of the apparatus main body and lifts the apparatus main body. In the image forming apparatus, the unit attachment portion is provided with a second handle member that can be housed or pulled out in a lateral direction of the apparatus main body in order to lift the apparatus main body provided with the sheet post-processing unit and the unit attachment portion. It is a feature.

  According to a second aspect of the present invention, in the above image forming apparatus, the sheet post-processing unit has a detachable discharge tray for discharging post-processed sheets, and the maximum when the second handle member is pulled out. The protruding length is shorter than the length of the discharge tray in the side surface direction of the apparatus main body.

  According to a third aspect of the present invention, in the above image forming apparatus, the unit mounting portion includes a unit mounting body that contacts one side surface of the device main body, and a pair of relays extending from the unit mounting body in the opposite direction to the apparatus main body. And a placement portion that is fixed to the relay portion and places the sheet post-processing unit, and the placement portion guides the second handle member so that the second handle member can be stored or pulled out at two spaced positions. It is characterized by having a guide hole.

  According to a fourth aspect of the present invention, in the above image forming apparatus, the second handle member is formed of a plate material so that a cross section is concave, and the concave end portions are arranged so as to face upward. It is a feature.

  According to the first invention, after mounting the unit mounting portion on one side surface of the apparatus main body by the mounting member, the paper post-processing unit and the unit mounting portion are mounted by placing the paper post-processing unit on the unit mounting portion. Attached to the device body. When moving the image forming apparatus provided with the paper post-processing unit and the unit mounting portion in the apparatus main body, the second handle member is pulled out from the storage position and moved to the protruding position, and the second handle member pulled out from the unit mounting portion is gripped. At the same time, the image forming apparatus is lifted and moved to a predetermined position by holding the first handle on the other side surface of the apparatus main body. Therefore, the image forming apparatus can be easily carried without separating the apparatus main body and the sheet post-processing unit. If the second handle member is housed in the unit mounting portion after the image forming apparatus is installed at a predetermined position, the image forming apparatus is not bulky.

1 is an external perspective view of an image forming apparatus according to an embodiment of the present invention. Schematic showing the internal configuration of the image forming apparatus according to the present embodiment The perspective view of the unit attachment part which mounted the paper post-processing unit concerning this embodiment 1 is a perspective view showing one side surface portion of an image forming apparatus according to an embodiment. The perspective view of the unit attachment part which concerns on this embodiment Another perspective view of the unit mounting portion according to the present embodiment The perspective view of the unit attachment part of the state which the 2nd handle member which concerns on this embodiment protruded

  Embodiments of the present invention will be described below with reference to the drawings, but the present invention is not limited to these embodiments. Further, the use of the invention and the terms shown here are not limited thereto.

  FIG. 1 is an external perspective view of an image forming apparatus according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing an internal configuration. In the present exemplary embodiment, a multifunction peripheral is illustrated as an example of an image forming apparatus. However, it is needless to say that the present invention can be applied to an image forming apparatus other than the multifunction peripheral, such as a laser printer, an inkjet printer, a facsimile apparatus, or the like. Nor.

  As shown in FIGS. 1 and 2, the image forming apparatus 100 is a so-called in-body discharge type digital multifunction peripheral. The main body housing 20 and the upper housing 21 constitute an apparatus main body 2. A sheet post-processing device 70 is attached to the left side of the apparatus main body 2.

  In the present embodiment, the main body housing 20 includes a lower housing 20a and a connection housing 20b that is positioned along the right side and connected to the upper housing 21 above the lower housing 20a. The lower housing 20a is provided with a paper feeding unit 4 for the paper P, an image forming unit 6 for forming a toner image on the paper P, a fixing device 7 for fixing the toner image on the paper, and the like. The connection housing 20 b is provided with a paper discharge portion (discharge portion) 19 for conveying the fixed paper P and discharging it from the main body housing 20.

  A cylinder discharge space 22 that is largely open toward the left side and the front is formed on the left side of the connecting housing 20b immediately below the upper housing 21, and the cylinder discharge space 22 includes A relay unit 30 is provided that receives and stacks the paper P discharged from the left side surface of the connecting housing 20b, while enabling the paper P to be conveyed to the paper post-processing device 70 when post-processing is performed. .

  As shown in FIG. 2, in the main body housing 20, a sheet feeding unit 4 disposed at a lower portion, a sheet conveying unit 5 disposed on the side and above the sheet feeding unit 4, and a sheet feeding unit 4 is provided with an image forming unit 6 disposed above 4 and a fixing device 7 disposed on the downstream side (right side in the drawing) of the image forming unit 6 in the sheet conveying direction.

  The paper feed unit 4 includes a plurality of paper feed cassettes 4a and separation feeding means such as paper feed rollers on the downstream side in the paper conveyance direction, and feeds a bundle of paper P placed on the paper feed cassette 4a. Paper is fed one by one from the uppermost paper P to the paper transport unit 5 by the rotation of the roller. The paper transport unit 5 transports the paper P fed from the paper feed unit 4 to the image forming unit 6 by each transport roller pair 5a.

  The image forming unit 6 and the fixing device 7 are elongated in the width direction orthogonal to the sheet conveying direction inside the apparatus main body 2, and the image forming unit 6 and the fixing device from the left side of FIG. 7 are arranged in parallel along the transport direction of the paper P.

  The image forming unit 6 forms a predetermined toner image on the paper P by an electrophotographic process. The image forming unit 6 is a photosensitive drum 10 that is an image carrier that is rotatably supported on the sheet P. A charging device 11, an exposure device 12, a developing device 13, a transfer device 14, a cleaning device 15, and a static elimination device (not shown) are provided around the periphery along the rotation direction. The fixing device 7 heats and presses the sheet P on which the toner image is transferred in the image forming unit 6 between a pair of fixing rollers 7a including a heating roller and a pressure roller, and converts the unfixed toner image into a sheet. It is fixed on P.

  An image reading unit 8 is provided in the upper housing 21. The image reading unit 8 reads image information of a document. When reading each document manually, the document reading device 3 is opened and a contact glass 8 a provided on the upper surface of the upper housing 21. When the originals are placed on the upper side, but when the original bundles are automatically read one by one, the original bundles are placed on the paper feed tray 3a of the closed original conveyance device 3. When the original bundle is placed on the paper feed tray 3a, the originals one by one from the original bundle are automatically and sequentially sent onto the contact glass 8a. In any case, the document located on the contact glass 8a is irradiated with light from an exposure lamp (not shown), and the reflected light is photoelectrically converted as image light through an optical system such as a reflection mirror (not shown) and an imaging lens. Part (CCD).

  A basic operation of the image forming apparatus 100 configured as described above will be described. First, the surface of the photosensitive drum 10 that rotates counterclockwise in FIG. 2 is uniformly charged by the charging device 11, and subsequently the exposure device 12 (laser device or the like) based on the image information read by the image reading unit 8. Is irradiated onto the peripheral surface of the photosensitive drum 10, whereby an electrostatic latent image is formed on the surface of the photosensitive drum 10. By supplying toner as a developer from the developing device 13 to the electrostatic latent image, a toner image is formed.

  Next, the sheet P from the sheet feeding unit 4 is conveyed toward the photosensitive drum 10 on which the toner image is formed by the registration roller 9 through the sheet conveyance path 5, and is photosensitive by the transfer device 14 including a transfer roller. The toner image on the surface of the body drum 10 is transferred to the paper P. Then, the paper P on which the toner image is transferred is separated from the photosensitive drum 10, conveyed to the fixing device 7, and the toner image is fixed by heat treatment by passing through the fixing roller 7a.

  The photosensitive drum 10 that has completed the transfer process of the toner image to the paper P is subjected to charge removal by removing residual charge with a charge removal device (not shown) after the residual toner remaining on the peripheral surface is removed by the cleaning device 15. Then, the peripheral surface is again charged by the charging device 11 and image formation is performed in the same manner.

  The sheet P that has passed through the fixing device 7 is transported into the connecting housing 20b along the vertical transport path 18 as it is vertically upward. The upper part of the vertical conveyance path 18 is branched into two upper and lower conveyance paths toward the left in the connecting housing 20b, and the conveyance direction of the paper P can be switched by the switching claw 17 arranged in the branch part. ing.

  A paper discharge portion 19 is provided in the connecting housing 20b. The paper discharge unit 19 includes a pair of first discharge rollers 19a and a pair of second discharge rollers 19b disposed immediately below the first discharge rollers 19a, and is conveyed through the vertical conveyance path 18. The paper P is guided to the upper conveyance path or the lower conveyance path by the switching claw 17.

  The paper P guided to the upper conveyance path by the switching claw 17 is discharged leftward from the first discharge roller 19a, and the paper P guided to the lower conveyance path by the switching claw 17 is discharged by the second discharge roller 19b. It is discharged to the left. The switching claw 17 switches the guide direction by a control unit (not shown).

  The relay unit 30 is detachably attached to the bottom surface portion 22a of the in-cylinder discharge space 22, and the in-cylinder discharge space 22 is provided with a detection sensor (not shown) that detects the attachment of the relay unit 30. . Such a detection sensor is formed of a PI sensor or the like, and transmits a detection result to the control unit.

  The bottom surface portion 22 a of the in-body discharge space 22 is formed with an inclined surface that inclines upward toward the downstream side in the sheet discharge direction (left side in FIG. 2). When detached, the bottom surface portion 22a is used as a paper discharge tray. In such a case, the detection sensor detects that the relay unit 30 is not attached, and when the detection result is transmitted to the control unit, the switching claw 17 guides the paper P to the first discharge roller 19a. Then, the paper P discharged from the first discharge roller 19a is discharged onto the bottom surface portion 22a.

  On the other hand, when the relay unit 30 is mounted in the in-body discharge space 22, the detection sensor detects that the relay unit 30 is mounted, and when the detection result is transmitted to the control unit, the switching claw 17 Guides the paper P to the second discharge roller 19b. Then, the paper P discharged from the second discharge roller 19b is carried into the relay unit 30. The paper P carried into the relay unit 30 passes through the relay unit 30 and is carried into the paper post-processing device 70.

  The sheet post-processing device 70 is detachably disposed on the side surface 2b of the apparatus main body 2. The sheet post-processing apparatus 70 performs binding processing on the paper P that has undergone image formation processing in the apparatus main body 2, and shift discharge processing that shifts and discharges the paper P The post-processing is performed.

  Inside the paper post-processing device 70, a post-processing transport roller 71 that transports the paper P carried in from the relay unit 30 to the downstream side, and a plurality of the paper P that has been carried in are stacked, and the stacked paper bundles are stacked. A binding processing device 73 that binds together with staples and a shift discharge device 74 that shifts and discharges the paper P or the paper bundle are provided.

  When the paper P that has undergone image formation processing is carried into the paper post-processing device 70 via the relay unit 30, if the binding processing is instructed by a control unit (not shown), the binding processing device 73 After the predetermined number of sheets are aligned, the binding process is performed at a predetermined position of the sheet bundle. On the other hand, when the binding process is not instructed, the sheet P passes through the binding processing device 73 as it is and is discharged to the discharge tray 75.

  When the shift discharge process is instructed, the shift discharge device 74 shifts the sheet P or the sheet bundle to perform the shift discharge process at a predetermined position of the discharge tray 75, and the shift discharge process is not instructed. In that case, it passes through the shift discharge device 74 as it is and is discharged to the discharge tray 75.

  The attachment of the sheet post-processing apparatus 70 to the apparatus main body 2 and the carrying of the image forming apparatus 100 will be described with reference to FIGS. FIG. 3 is a perspective view showing a state in which the sheet post-processing apparatus is attached to the apparatus main body, and FIG. 4 is a perspective view of one side portion of the apparatus main body for attaching the sheet post-processing apparatus. 5 and 6 are perspective views showing a state in which the unit mounting portion is mounted on one side surface of the apparatus main body, FIG. 5 is a view seen from the lower side, and FIG. 6 is a view seen from the upper side. FIG. 7 is a perspective view of the unit attachment portion with the second handle member protruding. In each figure, the paper feeder, which is an optional unit, is removed from the paper feed unit of the image forming apparatus. 5 to 7 show the sheet post-processing unit removed, and FIG. 4 shows the document conveying device 3 removed.

  As shown in FIG. 3, the sheet post-processing device 70 includes a sheet post-processing unit 77 that discharges a processed sheet or bundle to a discharge tray 75 by performing a binding process or a shift discharge process, and a sheet post-processing unit 77. A unit mounting portion 81 to be placed. The unit attachment portion 81 has a second handle member 88 that can hold the sheet post-processing device 70 together with the apparatus main body 2, and is detachably attached to one side surface portion 2 b of the apparatus main body 2. The discharge tray 75 is detachably attached to the paper post-processing unit 77.

  As shown in FIG. 4, a plurality of screw holes 45 are provided in one side surface portion 2 b of the apparatus main body 2 for attaching the unit attachment portion 81, and the apparatus main body 2 can be held for movement. A possible first handle 41 is provided. Although not shown, the first handle portion 41 is also provided on the side surface portion 2 b on the opposite side of the apparatus main body 2.

  The first handle portion 41 is formed in a substantially rectangular shape in a concave shape cut out from the side surface portion 2 b of the device main body 2, and a pair of first handle portions 41 are provided in the front-back direction of the device main body 2. When the apparatus main body 2 is moved, the apparatus main body 2 can be lifted by inserting a finger into the first handle portions 41 of the side surface portions 2b. In addition, an engagement hole (not shown) into which a fitting claw 85 (to be described later) of the unit mounting portion 81 can be inserted is formed in the first handle portion 41 on the side surface portion 2b side where the paper post-processing device 70 is mounted. ing.

  The plurality of screw holes 45 are formed around the side surface portion 2b, and a plurality of screw members 87 (see FIG. 5), which are attachment members, can be screwed together. When the unit mounting portion 81 is brought into contact with the side surface portion 2b at a predetermined position and the plurality of screw members 87 are screwed into the respective screw holes 45, the unit mounting portion 81 is mounted on the side surface portion 2b.

  As shown in FIG. 5, the unit mounting portion 81 includes a substantially rectangular flat plate-shaped unit mounting body 82, a pair of relay portions 83 extending from the unit mounting body 82 to the side opposite to the side surface portion 2b (left side in FIG. 5), A mounting portion 84 attached to the distal end side of the pair of relay portions 83 and a positioning portion that extends from the unit attachment main body 82 to the side surface portion 2b side and attaches the unit attachment portion 81 to the side surface portion 2b of the apparatus main body 2. A pair of fitting claws 85. Each part 82-85 of unit attachment part 81 is suitably formed in a predetermined shape, for example with an iron plate etc., and is fixed by welding etc., respectively. In FIG. 5, the left fitting claw 85 is invisible.

  The unit mounting body 82 has a mounting hole 82a at a position corresponding to the screw hole 45 (see FIG. 4) of the device body 2 when the unit mounting portion 81 is brought into contact with the side surface portion 2b of the device body 2 at a predetermined position. Have When one surface of the unit mounting body 82 faces the side surface portion 2b of the apparatus main body 2 and the screw member 87 is screwed into the screw hole 45 via the mounting hole 82a, the unit mounting portion 81 becomes the side surface portion of the apparatus body 2. 2b. Below one surface of the unit mounting body 82, a pair of fitting claws 85 are provided so as to protrude toward the side surface 2 b of the apparatus main body 2, and the pair of fitting claws 85 are connected to the first handle portions of the apparatus main body 2. By inserting it into 41, the mounting hole 82 a of the unit mounting body 82 can be easily aligned with the screw hole 45 of the apparatus body 2. The screw member 87 on the upper side of the unit mounting body 82 is screwed into a screw hole (not shown) formed in the relay unit 30.

  The relay portion 83 is provided to extend from both lower ends on the other surface of the unit mounting body 82. The relay portion 83 is formed slightly shorter than the width of the sheet post-processing unit 77 (the length in the side surface direction of the apparatus main body 2), and the cross section is formed in an I shape in order to increase rigidity (FIGS. 6 and 6). 7).

  The mounting portion 84 is fixed to the distal end side of the pair of relay portions 83 in a bridging manner. The loading portion 84 extends in the front-rear direction of the apparatus main body 2 with substantially the same length as the depth of the paper post-processing unit 77 (length in the front-rear direction of the apparatus main body 2), and has a concave cross section. It arrange | positions so that both ends may face downward. The placement portion 84 has a placement surface 84e (see FIGS. 6 and 7) on the upper surface, and the sheet post-processing unit 77 (see FIG. 4) can be placed on the placement surface 84e. When the paper post-processing unit 77 is brought into contact with a predetermined position of the unit mounting body 82 and placed on the placement surface 84e, the paper post-processing unit 77 is attached to the unit mounting portion 81.

  In the mounting portion 84, a pair of first guide holes 84a and a pair of second guide holes 84b are formed. The pair of first guide holes 84 a is formed in the first side surface 84 c that is one side surface of the concave mounting portion 84, and the pair of second guide holes 84 b is the second side surface 84 d that is the other side surface of the mounting portion 84. Formed. These guide holes 84a and 84b guide the pair of second handle members 88 so as to be movable in the lateral direction. One first and second guide holes 84a and 84b guide one second handle member 88 to be movable, and the other first and second guide holes 84a and 84b move the other second handle member 88. To guide.

  These guide holes 84 a and 84 b are disposed outside the pair of relay portions 83. The pair of first and second guide holes 84a and 84b for guiding the second handle member 88 are opposed to each other in the side surface direction of the apparatus main body 2 and are formed in a rectangular shape having the same size. Further, the pair of guide holes 84a and 84b are provided apart from each other. By appropriately separating the pair of guide holes 84a and 84b, the second handle member 88 can be moved between the storage position and the extended protruding position without significant play between the pair of guide holes 84a and 84b. When the apparatus main body 2 and the sheet post-processing apparatus 70 (image forming apparatus 100) are lifted with the second handle member 88 held, the load of the image forming apparatus 100 applied to the second handle member 88 is reduced. The second handle member 88 is not damaged by being dispersed at positions corresponding to the pair of guide holes 84a and 84b.

  The second handle member 88 extends in the side surface direction of the apparatus main body 2, and has a concave section with a size that can be fitted into the pair of guide holes 84 a and 84 b of the mounting portion 84. The second handle member 88 is fitted into the pair of guide holes 84a and 84b so that both concave end portions are on the upper side. By forming the second handle member 88 in a concave shape in this way, the rigidity of the second handle member 88 can be increased. Even if the image forming apparatus 100 is lifted by holding the second handle member 88, the second handle member 88 can be raised. The handle member 88 is not damaged. In addition, the user grips the concave flat surface portion of the second handle member 88 so that both end portions of the concave shape are on the upper side, and the second handle member 88 is easily gripped.

  A locking projection 88 a is formed at the tip of the second handle member 88. The locking projection 88a is formed to extend downward and to be opposed to the first side surface 84c of the mounting portion 84. When the second handle member 88 is housed in the mounting portion 84, the locking projection 88 a comes into contact with the first side surface 84 c of the mounting portion 84. Although not shown, a positioning member for determining the protruding position is also provided at the protruding position of the second handle member 88. For example, in FIG. 7, a locking protrusion extending upward is formed at the end opposite to the locking protrusion 88 a of the second handle member 88, and a pin protruding downward is placed on the mounting surface 84 e of the mounting portion 84. When the second handle member 88 is screwed and protrudes, the locking projection and the pin are configured to contact each other as a positioning member. In this way, there is no possibility that the second handle member 88 will be inserted too far into the unit mounting portion 81 when it is stored in the unit mounting portion 81 or dropped out when being pulled out from the unit mounting portion 81.

  With the above configuration, in order to move the image forming apparatus 100 provided with the paper post-processing device 70 to the apparatus main body 2 to a predetermined position, the discharge tray 75 is removed from the paper post-processing unit 77 and the second handle member 88 is accommodated. Then, the second handle member 88 protruding from the unit mounting portion 81 is gripped and the first handle portion 41 of the other side surface portion 2b of the apparatus main body 2 is held to form an image. The apparatus 100 is lifted and moved to a predetermined position. Therefore, the image forming apparatus 100 can be easily carried without separating the apparatus main body 2 and the sheet post-processing apparatus 70. If the second handle member 88 is housed in the unit mounting portion 81 after the image forming apparatus 100 is installed at a predetermined position, the image forming apparatus 100 is not bulky.

  When the image forming apparatus 100 is moved, the discharge tray 75 is removed from the sheet post-processing unit 77 so that the second handle member 88 protrudes shorter than the length of the discharge tray 75 in the side surface direction of the apparatus main body 2. Also, the second handle member 88 can be held. When the length of the second handle member 88 is shortened, the rigidity of the second handle member 88 can be increased.

  When the image forming apparatus 100 is relatively light, or when the rigidity of the second handle member 88 is increased due to material strength, thickness of the member, or the like, the second handle member 88 is lengthened and the discharge tray 75 is moved. You may make it hold | maintain the 2nd handle member 88 in the state with which the paper post-processing unit 77 was mounted | worn. In this configuration, the discharge tray 75 does not have to be removed, and the image forming apparatus 100 can be moved more easily.

  INDUSTRIAL APPLICABILITY The present invention can be used in image forming apparatuses such as copying machines, printers, facsimiles, and multi-function machines thereof. In particular, the present invention relates to an image forming apparatus that is detachably provided with a sheet post-processing device that performs post-processing such as binding processing. Can be used.

2 Main body 2b Side face 19 Paper discharge part (discharge part)
22 In-body discharge space 30 Relay unit 41 First handle 45 Screw hole 70 Paper post-processing device 73 Binding processing device 74 Shift discharge device 75 Discharge tray 77 Paper post-processing unit 81 Unit mounting portion 82 Unit mounting body 83 Relay portion 84 Placement portion 84a First guide hole 84b Second guide hole 84c First side surface 84d Second side surface 84e Placement surface 85 Fitting claw 87 Screw member 88 Second handle member 88a Locking protrusion 100 Image forming apparatus

Claims (3)

A discharge unit for discharging the image-formed paper in the side direction of the apparatus main body;
A paper post-processing unit into which paper discharged from the discharge unit is carried;
A unit mounting portion on which the paper post-processing unit can be placed and detachable from one side surface of the apparatus main body;
An image forming apparatus comprising: a concave first handle portion provided on both side surfaces of the apparatus main body for lifting the apparatus main body.
The unit attaching portion is provided with a second handle member that can be stored or pulled out in a side direction of the apparatus main body in order to lift the apparatus main body provided with the sheet post-processing unit and the unit attaching portion .
The unit mounting portion includes a unit mounting main body that abuts on one side surface of the apparatus main body, a pair of relay sections extending from the unit mounting main body in a direction opposite to the apparatus main body, and the sheet post-processing unit fixed to the relay section. A mounting section for mounting;
The placement section, the image forming apparatus according to claim Rukoto that having a second handle member housing or withdrawable guided to the guide hole in two spaced locations.   The paper post-processing unit has a detachable discharge tray for discharging post-processed paper, and the maximum protruding length when the second handle member is pulled out is the side of the apparatus main body in the side surface direction. The image forming apparatus according to claim 1, wherein the image forming apparatus is shorter than the length. The second handle member is formed so that the cross section at the plate material becomes concave, image formation according to claim 1 or claim 2 at both ends of the concave, characterized in that it is arranged to face the upper apparatus.

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