JP4595425B2 - Recording device - Google Patents

Description

  The present invention relates to a recording apparatus that records an image on a recording medium.

  2. Description of the Related Art Conventionally, a multi-function recording apparatus having a printer function, a facsimile function, a copy function, and the like is known. For example, a recording apparatus described in Patent Document 1 includes an inkjet printer including an inkjet head that ejects ink onto recording paper, a discharge unit and a paper feed tray that are provided before and after the inkjet printer, and an upper side of the inkjet printer. The scanner etc. which are arranged in. In this recording apparatus, the recording paper is supplied from the rear paper supply unit, an image is recorded by the ink jet printer, and then discharged from the front discharge unit. The inkjet head is a so-called serial head that can reciprocate in the left-right direction (paper width direction) perpendicular to the front-rear direction, which is the paper transport direction. And the ink cartridge which stores the ink supplied to this inkjet head is arrange | positioned under the discharge part.

JP 2003-298790 A

  However, in the recording apparatus described in Patent Document 1, a paper feed tray is provided behind the ink jet printer, while a discharge unit and an ink cartridge are provided in front of the ink jet printer. It will be long. In particular, when the ink jet head is a serial head, the ink jet head is configured to move beyond the both ends in the width direction of the recording paper to an outer position. Often, this space is wasted. As described above, in the conventional recording apparatus, there is room for further downsizing the recording apparatus by devising the layout of various components constituting the recording apparatus.

  An object of the present invention is to provide a recording apparatus that can be further reduced in size by arranging the constituent parts of the recording apparatus so that the internal useless space is minimized.

Means for Solving the Problems and Effects of the Invention

According to a first aspect of the present invention, there is provided a recording apparatus comprising: a conveying unit that conveys a recording medium in the front-rear direction in a horizontal posture; and a recording unit that includes an inkjet head that ejects ink onto the recording medium conveyed by the conveying unit. A recording device,
A housing that houses the transport means and the recording unit, a control board that controls the operation of the recording apparatus, and a cartridge holding unit that holds an ink cartridge that stores ink supplied to the inkjet head; A medium transport space including at least a discharge space for discharging the recording medium recorded by the recording unit is formed at a position in front of the recording unit in the housing, and the recording medium is placed in a horizontal posture. in the state when conveyed in the longitudinal direction, the control board is horizontally disposed above the medium conveying space as viewed from the front, the recording unit, in the rear than the medium conveying space, its upper end position is arranged such that the control board and the same height position, the cartridge holder is at least a portion thereof when viewed from the front one of the medium conveying space Located towards, and are disposed falls between a lower end position of the medium conveying space and the upper end position of the control board in the vertical direction, the control board, above the cartridge holding portion he extends The upper end of the ink cartridge held by the cartridge holding part is at the same height as the control board .

  In this recording apparatus, the recording medium such as recording paper is conveyed in the front-rear direction by the conveying means, and an ink is ejected from the inkjet head to the recording medium in the recording unit to record an image on the recording medium. The Then, the recorded recording medium is discharged from a discharge space included in a medium transport space formed at a position ahead of the recording unit in the housing.

  Here, in order to eject the recording medium recorded by the recording unit from the ejection space, the upper end position of the ejection space only needs to be above the position of the recording medium when being recorded by the inkjet head. The space need not be formed to an unnecessarily high position. Therefore, in the recording apparatus of the present invention, the control substrate is horizontally disposed above the medium conveyance space including the discharge space, and the upper end position of the recording unit is substantially the same as the control substrate behind the medium conveyance space. They are arranged so as to be at the same height, and the space above the medium conveyance space is effectively used. Further, a cartridge holding part is provided so as to be positioned at one side of the medium conveyance space, and this cartridge holding part is arranged so as to fit between the upper end position of the control board and the lower end position of the medium conveyance space. It is installed. Therefore, by disposing the control board and the cartridge holding portion in this way, the height of the recording apparatus can be further reduced, and the recording apparatus can be reduced in size.

According to a second aspect of the present invention, there is provided a recording apparatus according to the first aspect, wherein the cartridge holding portion is configured such that the ink cartridge can be attached and detached from above . Since the control board does not extend above the cartridge holding part, the attaching / detaching work is facilitated when the ink cartridge is attached / detached from above the cartridge holding part.

  According to a third aspect of the present invention, there is provided the recording apparatus according to the first or second aspect, wherein a power supply unit is disposed in a space on the other side of the medium conveyance space when viewed from the front. To do. As described above, since the power supply unit is disposed on the side opposite to the cartridge holding unit in the medium conveyance space, the space on the other side of the medium conveyance space can also be used effectively, and the recording apparatus can be used more effectively. It becomes possible to reduce the size.

According to a fourth aspect of the present invention, there is provided a recording apparatus according to the third aspect , wherein the control board is arranged to extend above the power supply unit. Therefore, even when a control board having a relatively large area is required due to the large number of electronic components and terminals to be mounted, the medium transport space can be obtained by extending the control board to above the power supply unit. Since the control board can be disposed above the recording medium, the recording apparatus can be reduced in size by effectively using the space above the medium conveyance space.

  According to a fifth aspect of the present invention, in the recording apparatus according to any one of the first to fourth aspects, a supply space for supplying the recording medium to the transport means is formed at a position below the discharge space in the housing. And a U-shaped transport unit connected to the supply space is disposed behind the recording unit, and the transport means passes the recording medium supplied from the supply space to the upper side of the supply space via the U-shaped transport unit. The inkjet head is movable in the left-right direction orthogonal to the front-rear direction, which is the transport direction of the recording medium, and from both ends in the left-right direction of the recording medium. Is configured to be movable to an outer position.

  In this way, the supply space is provided below the discharge space, and the conveying means is configured to invert the recording medium in the supply space by the U-shaped conveyance unit and convey it to the front discharge space. The length of the recording apparatus in the front-rear direction can be shortened compared to a case where the recording medium supplied from the rear is configured to be discharged forward (see, for example, Patent Document 1). If the inkjet head is a so-called serial head, the inkjet head moves to the outside of both ends of the recording medium in the left-right direction (width direction), so there is wasted space on both sides of the medium conveyance space. However, since the cartridge holding portion and the like are disposed in this useless space, the recording apparatus can be reduced in size by effectively using the space in the housing.

  According to a sixth aspect of the present invention, there is provided a recording apparatus according to the fifth aspect, wherein a waste liquid absorbing member that absorbs the waste liquid of ink discharged from the inkjet head is disposed in a space behind the recording unit and above the U-shaped transport unit. It is characterized by being arranged. Since the transport path of the recording medium by the transport means is always located below the ink jet head that discharges ink onto the recording medium, the upper part of the U-shaped transport section behind the recording section, which forms part of the transport path. There will be a useless space. Therefore, by disposing the waste liquid absorbing member in the space above the U-shaped transport unit, the recording apparatus can be further downsized by effectively using the space in the housing.

  According to a seventh aspect of the present invention, in the fifth or sixth aspect of the invention, the medium transport space is formed in a concave portion provided at a central portion in the left-right direction of the casing and opened downward, and the concave portion In the state where the medium holding portion capable of holding the recording medium is detachably mounted from the front, and the medium holding portion is mounted in the concave portion, the lower portion of the concave portion is blocked by the medium holding portion. It is characterized by that. Even if the lower surface of the portion of the housing where the medium conveyance space is formed is omitted, the medium holding portion can cover the lower part of the medium conveyance space, so that the height of the recording apparatus can be further reduced. Furthermore, since the inside of the housing is opened downward simply by removing the removable medium holding portion from the concave portion, maintenance inside the housing such as jam processing can be easily performed from below.

According to an eighth aspect of the present invention, there is provided a recording apparatus according to any one of the fifth to seventh aspects, further comprising: a frame on which a glass plate on which a document is placed is attached; and a reading unit capable of reading the image of the document. includes a reading unit, the image reading section, the medium Oite the edge of the housing opposite to the cartridge holder with respect to the transport space, rotatably about a pivot axis extending in the longitudinal direction pivot It is characterized by being supported. Therefore, the image reading unit above the recording unit can be rotated around the portion opposite to the cartridge holding unit, so that the upper part of the cartridge holding unit can be reliably opened. It becomes easy.

  According to a ninth aspect of the present invention, in the eighth aspect of the invention, the reading means is disposed so as to be movable in the left-right direction, and a wiring member that connects the reading means and the control board is provided on the image reading section. It extends from the rotating shaft side. As described above, since the wiring member that connects the reading unit and the control board extends from the rotation shaft side of the image reading unit, an excessive force is applied to the wiring member when the image reading unit is rotated with respect to the housing. Since it becomes difficult to act, damage to a wiring member can be prevented as much as possible.

  According to a tenth aspect of the present invention, in the ninth aspect, the control board extends to the vicinity of the rotation axis of the image reading unit. Thus, since the control board extends to the rotation axis side, the wiring member that connects the reading means of the image reading unit and the control board can be shortened.

  According to an eleventh aspect of the present invention, in the recording apparatus according to any one of the eighth to tenth aspects, the image reading unit includes a document cover that is rotatably provided on the frame and covers the upper side of the glass plate. The rotation axis of the image reading unit with respect to the housing and the rotation axis of the document cover with respect to the frame are orthogonal to each other in plan view. Accordingly, it is possible to prevent the document cover from being opened at the same time when the image reading unit is rotated with respect to the housing, such as when the ink cartridge is replaced.

  According to a twelfth aspect of the present invention, in the recording apparatus according to any one of the eighth to eleventh aspects, the image reading unit includes a document feed motor that feeds the document to the upper surface of the glass plate. The image reading unit is disposed in the vicinity of the rotation shaft of the image reading unit. Therefore, when the image reading unit is rotated with respect to the housing, an excessive force is hardly applied to the wiring member that connects the document feeding motor and the control board, and thus the wiring member can be prevented from being damaged as much as possible.

  According to a thirteenth aspect of the present invention, in the recording apparatus according to any one of the eighth to twelfth aspects, the image reading unit includes a driving motor that drives the reading unit in a left-right direction, and the driving motor is the recording unit. It is arrange | positioned in the space behind the said U-shaped conveyance part, and characterized by the above-mentioned. Therefore, similarly to the sixth invention described above, the recording apparatus can be reduced in size by effectively utilizing the empty space above the U-shaped transport unit. In addition, since the control board is disposed in front of the recording unit and the drive motor is disposed in the rear of the recording unit, the separation distance between the control board and the drive motor is increased, which is caused by the operation of the drive motor. Can adversely affect the control board.

  According to a fourteenth aspect of the present invention, in any one of the first to thirteenth aspects, the control board is provided with a connector to which an external storage medium is connected from the front. is there. Since the control board is disposed at a position above the discharge unit, the connector provided on the control board is also located relatively above, and it is easy to attach the external storage medium to the connector from the front. .

  Embodiments of the present invention will be described with reference to FIGS. The present embodiment is an example in which the present invention is applied to a multi-function machine 1 having a printer function, a facsimile function, a copy function, a scanner function, and the like. The front side of FIG. 1 is defined as the front side, and the left and right direction when viewed from the front side is defined as the left and right direction, and will be described below.

  As shown in FIGS. 1 to 5, the multifunction device 1 (recording apparatus) includes a case main body 2 (housing) and an ink jet printer 3 (see FIGS. 5 and 7) accommodated in the case main body 2. A scanner 4 (image reading unit) disposed above the inkjet printer 3 is provided.

  The case body 2 is formed in a substantially square shape in plan view. In addition, a concave tray storage portion 10 (concave portion) that opens forward and downward is formed at the center in the left-right direction of the case main body 2, and the case main body 2 is formed in a substantially portal shape when viewed from the front. Yes. A transport space 12 (medium transport space) for transporting the recording paper P (recorded medium: see FIG. 11) in the front-rear direction is formed in the tray storage unit 10.

  A supply tray 11 (medium transport unit) that holds the recording paper P is detachably inserted from the front into the tray storage unit 10, and the supply tray 11 is disposed in the transport space 12 so as to be movable in the front-rear direction. Yes. When the supply tray 11 is stored in the tray storage unit 10, the lower side of the tray storage unit 10 is blocked by the supply tray 11. That is, in the MFP 1 according to the present embodiment, the bottom surface of the tray storage unit 10 is omitted, and the supply tray 11 also serves as the bottom surface of the tray storage unit 10. It becomes possible. Moreover, the inside of the case body 2 can be opened simply by removing the supply tray 11 from the tray storage unit 10, and maintenance work such as jam processing becomes easy.

  A guide piece 13 that is formed in an arch shape extending from both left and right ends and covers the upper side of the recording paper P set on the supply tray 11 is provided at the front portion of the supply tray 11. The guide sheet 13 positions the recording paper P on the supply tray 11 in the left-right direction. Further, the guide piece 13 also has a function as a paper discharge tray, and the recording paper P recorded by the recording unit 21 is discharged forward on the upper surface of the guide piece 13. That is, the guide piece 13 divides the conveyance space 12 in the tray storage unit 10 into a lower supply space 12a for supplying the recording paper P and an upper discharge space 12b for discharging the recording paper P. 2 to 4, the guide piece 13 is not shown.

  Further, as shown in FIGS. 3 and 4, the left side edge of the case main body 2 is pivotably pivoted via a hinge 14 so that the frame member 15 of the scanner 4 opens laterally when viewed from the front. It is supported. As shown in FIG. 4, a guide rail 16 having a guide groove 16 a extending in the left-right direction is fixed to the back side of the frame member 15. On the other hand, a support bar 17 is rotatably attached to the lower end of the case body, and the upper end of the support bar 17 is engaged with the guide groove 16a of the guide rail 16 so that the upper end of the support bar 17 can move in the left-right direction. is doing. And the front-end | tip of the support bar 17 is latched by the engaging part (illustration omitted) formed in the right end part (end part on the opposite side to the rotating shaft of the frame member 15 extended in the front-back direction) of the guide groove 16a. Then, the horizontally open frame member 15 is supported from below by the support rod 17.

Next, the ink jet printer 3 will be described.
As shown in FIGS. 5 to 7, the ink jet printer 3 is disposed in the rear part of the case body 2 and a transport mechanism 20 (transport means) that transports the recording paper P stored in the supply tray 11 in the front-rear direction. And a recording unit 21 (recording unit) for recording an image on the recording paper P. 6, 8, and 9, the transport mechanism 20 and the recording unit 21 are covered with a synthetic resin cover 22 attached to the case body 2.

  As shown in FIG. 5, the transport mechanism 20 is rotatably supported by an arm 23 that is disposed above the front end (rear end) of the supply tray 11 and extends downward from the engine frame 33 of the recording unit 21. The supply roller 24, the plate 25 disposed in the space behind the tray storage unit 10 and forming the U-shaped conveyance unit 25a, and the front of the plate 25 and the rear of the recording unit 21. A registration roller 26, a driven roller 27 disposed opposite to the registration roller 26, a discharge roller 28 disposed at a position in front of the recording unit 21, and the like. The supply roller 24, the registration roller 26, and the discharge roller 28 are each configured to be driven to rotate by a motor (not shown).

  The transport operation of the recording paper P by the transport mechanism 20 will be described. First, the recording paper P is taken out from the supply tray 11 one by one by the supply roller 24 provided at the tip of the arm 23 and is transported to the U-shaped transport unit 25a in the rear plate 25, and this U-shaped transport unit 25a. Then, the paper is reversed forward and sent to the front recording unit 21 by the registration roller 26 and the driven roller 27. Further, the recording paper P on which an image is recorded by the recording unit 21 is conveyed to the front discharge space 12b by the discharge roller 28 and discharged. As described above, the multi-function device 1 is configured to reverse the recording paper P supplied from the front by the U-shaped transport unit 25a and discharge the recording paper P forward, so that the recording paper P supplied from the rear is forward. Compared with the case of discharging (see Patent Document 1), the length of the multifunction machine 1 in the front-rear direction can be shortened.

  As shown in FIGS. 5 and 7, the recording unit 21 includes a carriage 30 that can reciprocate in the left-right direction, an inkjet head 31 attached to the lower portion of the carriage 30, and a platen disposed below the carriage 30. 32, an engine frame 33 for supporting the carriage 30 and the platen 32 from below, and the like. The carriage 30 is connected to a motor 39 via a timing belt 34. A pair of front and rear guide plates 35, 36 extending in the left-right direction is provided on the upper portion of the engine frame 33, and the carriage 30 has both ends in the width direction of the recording paper P on the pair of guide plates 35, 36. It is arrange | positioned so that a movement to the position further outside from a part is possible. Then, the carriage 30 is reciprocated in the left-right direction along the pair of guide plates 35 and 36 by the motor 39, and the recording paper is conveyed forward from the inkjet head 31 provided on the carriage 30 to the lower space. Ink is ejected to P, and an image is recorded on the recording paper P. Further, as shown in FIG. 11, a maintenance unit 37 for head cleaning is disposed below the right end portion of the recording unit 21.

  Here, since the U-shaped conveyance path of the recording paper P from the supply space 12a to the discharge space 12b is located below the inkjet head 31 that ejects ink to the recording paper, this conveyance path. Thus, there is a useless space above the plate 25 forming the U-shaped transport portion 25a that forms a part of the carriage 25 and behind the carriage 30 to which the inkjet head 31 is attached. Therefore, as shown in FIGS. 5, 6, and 11, in the multi-function device 1 of the present embodiment, maintenance is provided in a portion of the space on the right side of the upper side of the plate 25 and on the rear side of the carriage in the approximately 2/3 right side. A waste liquid absorbing member 38 that absorbs ink waste liquid discharged from the nozzles of the ink jet head 31 during maintenance work by the unit 37 is disposed, and an empty space in the case body 2 is effectively used.

  By the way, as described above, the ink jet head 31 provided on the carriage 30 is a so-called serial head that can move to positions outside the both ends of the recording paper P in the width direction. Therefore, the recording unit 21 extends longer in the left-right direction than the tray storage unit 10 in which the discharge space 12b from which the recording paper P is discharged is formed (see FIGS. 10 and 11). The space becomes empty. Therefore, in the multi-function device 1 of the present embodiment, as shown in FIGS. 2, 3, and 10, a cartridge holder 41 (cartridge holding portion) that holds the ink cartridge 40 is disposed on the right side of the tray storage portion 10. On the other hand, a power supply unit 60 is disposed on the left side of the tray storage unit 10, and spaces on both sides of the tray storage unit 10 in the case body 2 are effectively used.

  Further, as shown in FIG. 5, in order to discharge the recording paper P fed forward by the discharge roller 28 from the discharge space 12b, the upper end position of the discharge space 12b (tray storage unit 10) is moved from the recording unit 21. It is only necessary to be above the discharge position of the recording paper P (the upper end position of the discharge roller 28), and the discharge space 12b does not need to be formed to an unnecessarily high position. Therefore, as shown in FIGS. 5 and 10 to 12, in the multifunction machine 1 of the present embodiment, a main control board 50 (control board) that controls the operation of the multifunction machine 1 in the space above the tray storage unit 10. Are arranged horizontally, and the recording unit 21 is arranged so that the upper end position of the recording unit 21 is substantially the same as the main control board 50 at the rear of the tray storage unit 10. That is, since the upper ends of the main control board 50 and the recording unit 21 are located on substantially the same plane, the height of the multifunction device 1 can be kept low while effectively using the space above the tray storage unit 10. Yes. Also, as shown in FIG. 10, the cartridge holder 41, the ink cartridge 40, and the power supply unit 60 provided on the left and right sides of the tray storage unit 10 are arranged in the vertical direction so that the height of the multifunction device 1 is as low as possible. In FIG. 10, the main control board 50 (the connector 51 on the main control board 50) is disposed between the upper end position of the main control board 50 and the lower end position of the tray storage portion 10 (within the range H in FIG. 10).

Hereinafter, the cartridge holder 41, the main control board 50, and the power supply unit 60 arranged in the case body 2 will be described in more detail.
As shown in FIGS. 2 to 4 and 6 to 9, the cartridge holder 41 disposed on the right side of the tray storage unit 10 has an insertion port 22 a formed in the cover 22 (see FIGS. 6 and 9). 4, four ink cartridges 40 each storing ink of four colors (yellow, magenta, cyan, and black) are inserted from above. These four ink cartridges 40 are arranged side by side in the front-rear direction. Further, as shown in FIG. 7, the four ink cartridges 40 are connected to the inkjet head 31 via tubes 42, respectively, and when ink is ejected from the inkjet head 31, the ink cartridges 40 are connected via the tubes 42. Ink is supplied to the inkjet head 31.

  As shown in FIGS. 9 to 11, the main control board 50 disposed on the upper side of the tray storage unit 10 has a substantially rectangular planar shape and extends to above the left power supply unit 60. However, the main control board 50 does not extend above the right cartridge holder 41. This is to prevent the main control board 50 from hindering the mounting operation of the ink cartridge 40 from above.

  As shown in FIGS. 5 and 9, the main control board 50 is provided with an electronic component I and various connectors. That is, two connectors 51 and 52 for connecting a media card are provided on the left side of the front end portion of the main control board 50. The front surface of the case body 2 is provided with a front cover 53 in which two slots 53a and 53b into which a media card is inserted are formed. The media card inserted into the slots 53a and 53b has a main control. It is electrically connected to the connectors 51 and 52 of the substrate 50. Here, since the main control board 50 is disposed at a position above the tray storage portion 10, the slots 53a and 53b (connectors 51 and 52) are also positioned relatively above, and the media card is inserted into the slot 53a. , 53b can be easily mounted.

  Further, a connector 54 for connection with an external device such as a personal computer and a LAN connector 55 for LAN connection are provided on the right side portion of the rear end portion of the main control board 50. A connector 56 for connection to a network board 61 described later is attached to the left side portion of the rear end portion of the main control board 50. In addition to these connectors, the main control board 50 is provided with a plurality of connectors along the outer edge.

  As shown in FIGS. 8 and 10 to 12, a power supply unit 60 is disposed on the left side of the tray storage unit 10, and is further behind the power supply unit 60 and at the left end of the recording unit 21. A network board 61 is disposed in the space below the.

  The power supply unit 60 is in the form of a block that is long in the front-rear direction, and includes a DC 5 V used as a power source for a CPU, memory, etc. from a commercial AC power source, and a DC 30 V for operating an actuator such as a motor. A power supply board 62 for generating power is provided. The power supply board 62 and the main control board 50 or between the power supply board 62 and various motors are connected by a wiring member (not shown), and the voltage generated at the power supply board 62 is applied to the main control board 50 and the motor. In contrast, it is applied.

  On the other hand, the network board 61 is a board for performing wired communication through a telephone line. The network board 61 is provided with two modular connectors 63 for connecting a telephone line and for an external handset. Via the network board 61, data communication with other facsimile machines and a call using an external handset (not shown) are possible.

  By the way, as shown in FIG. 8, the power supply unit 60 and the network substrate 61 are both attached to the case body 2 in a state where the power supply unit 60 and the network board 61 are both attached to and integrated with a metal attachment plate 64. The attachment plate 64 has a flat plate-like base portion 64a extending in the front-rear direction of the case body 2 and a side wall 64b provided from the rear end side to the side edge portion of the base portion 64a. A power supply unit 60 is disposed on the front portion of the mounting plate 64, and a network board 61 is disposed on the rear portion. Dedicated protective covers 65 and 66 are attached to the power supply unit 60 and the network board 61, respectively. The protective cover 65 that protects the power supply unit 60 is formed with a plurality of holes 65a for dissipating heat generated in the power supply unit 60 to the outside. On the other hand, an escape hole 66a is formed at a position facing the modular connector 63 of the protective cover 66 that protects the network board 61. In addition, an opening 66 b for drawing out an electric wire for connection with the main control board 50 is formed at a position of the protective cover 66 facing the power supply unit 60.

  An opening (not shown) is formed on the bottom surface of the left side of the tray storage unit 10 of the case body 2 and is opened downward. Through this opening, the integrated power supply unit 60 and the network substrate 61 are connected to the inside of the case body 2. It is attached to. Therefore, only the power supply unit 60 and the network board 61 can be detached from the case body 2 and the maintenance work is facilitated. A portion of the left side wall portion of the case body 2 facing the modular connector 63 of the network board 61 is provided with an insertion slot 2a into which a modular jack is inserted. A cord lead-out port 2b is provided.

  Also, as shown in FIG. 10, the main control board 50 extends above the power supply unit 60, and the power supply unit 60 is located almost directly below the main control board 50. It is possible to shorten the wire connecting between the terminals 62 as much as possible.

Next, the scanner 4 will be described.
As shown in FIGS. 4 and 5, the scanner 4 includes a frame member 15, a glass plate 70 as a document table attached to the frame member 15, a reading unit 71 (reading unit) that reads an image of the document, An original cover 72 or the like covering the upper side of the glass plate 70 is provided.

  As shown in FIG. 4, the frame member 15 is pivotally supported on the left end portion of the case body 2 via a hinge 14 so as to be rotatable. That is, since the frame member 15 is configured to rotate around the portion opposite to the cartridge holder 41, the upper portion of the cartridge holder 41 can be reliably opened, and the ink cartridge 40 can be attached and detached. It becomes easy. Moreover, as shown in FIGS. 1-4, the operation panel 73 provided with the key, the touch panel, etc. is provided in the front-end part of the frame member 15. As shown in FIG.

  A document is placed on the upper surface of the glass plate 70, and a reading unit 71 is disposed so as to face the document with the glass plate 70 interposed therebetween. The reading unit 71 includes an image reading sensor such as a contact image sensor (CIS). As shown in FIG. 5, a pair of sliders 74 is provided before and after the reading unit 71. Further, the reading unit 71 is connected to a drive motor 75 (see FIGS. 3, 6, 11, and 12). The reading unit 71 is driven by the drive motor 75 and via the slider 74, the frame member 15. The image of the document on the glass plate 70 is read while reciprocating in the left-right direction. In addition, a guide shaft 76 extending in the left-right direction is fitted in a recess 71 a formed at the lower end of the central portion of the reading unit 71 in the front-rear direction so that the reading unit 71 can move in the left-right direction. Guided.

  As shown in FIG. 4, the image reading sensor of the reading unit 71 is connected to the main control board 50 by a flexible wiring member 77 such as a flexible flat cable. Here, the main control board 50 extends to the vicinity of the rotation axis of the scanner 4 above the power supply unit 60 (the left end of the case main body 2), and the wiring member 77 is near the rotation axis of the main control board 50. It extends from the part to the reading unit 71. Therefore, when the scanner 4 is rotated with respect to the case body 2, it is possible to prevent an excessive force from acting on the wiring member 77 and damage the wiring member 77 as much as possible. Further, the length of the wiring member 77 can be prevented. Can be made as short as possible.

  As shown in FIGS. 3, 11, and 12, the drive motor 75 that reciprocates the reading unit 71 in the left-right direction is provided to protrude downward at the rear portion of the left end portion of the frame member 15. In FIG. 3, the drive motor 75 is housed in a portion protruding downward at the rear portion of the left end portion of the frame member 15. In the state where the scanner 4 is positioned above the case main body 2 (the state shown in FIG. 2), the drive motor 75 is used for the plate 25 that forms the U-shaped conveyance unit 25a disposed behind the recording unit 21. It is accommodated in an upper space of approximately 1/3 of the left side (a concave space adjacent to the waste liquid absorbing member 38: see FIG. 6), and the vacant space behind the recording unit 21 is effectively used. . In addition, since the main control board 50 is disposed on the front side and the drive motor 75 is disposed on the rear side, noise generated due to the operation of the drive motor 75 is prevented from adversely affecting the main control board 50 as much as possible. Can be prevented.

  As shown in FIG. 5, the document cover 72 is rotatably attached to the rear end portion of the frame member 15 via a hinge 78. Therefore, the rotation axis of the document cover 72 with respect to the frame member 15 extending in the left-right direction and the rotation axis of the frame member 15 with respect to the case body 2 extending in the front-rear direction are orthogonal to each other in plan view. Therefore, when the frame member 15 is rotated with respect to the case main body 2 to be in the laterally open state, the document cover 72 is prevented from being opened at the same time.

According to the multifunction device 1 described above, the following effects can be obtained.
As shown in FIG. 10, the main control board 50 is horizontally disposed above the tray storage portion 10, and the upper end position of the recording unit 21 is substantially the same as the main control board 50 at the rear of the tray storage portion 10. It is arrange | positioned so that it may become. Therefore, it is possible to effectively use the empty space above the tray storage unit 10 and to reduce the height of the multifunction device 1. Further, a cartridge holder 41 for holding the ink cartridge 40 and a power supply unit 60 are provided in the left and right side spaces of the tray storage unit 10 generated due to the recording unit 21 extending further left and right than the tray storage unit 10. Each is arranged. The cartridge holder 41, the ink cartridge 40, and the power supply unit 60 are disposed so as to fit between the upper end position of the main control board 50 and the lower end position of the tray storage unit 10 in the vertical direction. Therefore, the height of the multifunction device 1 can be made as low as possible, and the multifunction device 1 can be further downsized.

Next, modified embodiments in which various modifications are made to the embodiment will be described. However, components having the same configuration as in the above embodiment are given the same reference numerals and description thereof is omitted as appropriate.
1] The present invention can also be applied to a multi-function peripheral equipped with a scanner having an automatic feeding mechanism for automatically feeding a document. As shown in FIGS. 13 and 14, the scanner 4A of the multi-function machine 1A is configured such that the frame member 15A, the document cover 72A, the paper feed tray unit 80, the paper discharge tray unit 81, and the documents on the paper feed tray unit 80 are scanned. An automatic feeding mechanism 82 that conveys the original after the image is read from the paper discharge tray unit 81 is provided to a reading position by the reading unit 71 (see FIGS. 4 and 5 of the embodiment). .

  The frame member 15A of the scanner 4A is pivotally supported at the left end portion of the case body 2 in the same manner as in the above embodiment. Further, the document cover 72A is also rotatably attached to the rear end portion of the frame member 15A, as in the above embodiment. The paper feed tray unit 80 is disposed on the upper surface of the document cover 72 </ b> A, and a paper discharge tray unit 81 is disposed above the paper feed tray unit 80. The paper feed tray unit 80 guides the document to the left automatic feed mechanism 82, and the paper discharge tray unit 81 guides the document discharged from the automatic feed mechanism 82 to the right. A document stopper 83 is provided at the right end of the document cover 72A to receive the discharged document.

  As shown in FIGS. 14 and 15, the automatic feed mechanism 82 is positioned above a lid cover 84 that is openable and closable at the left end of the document cover 72 </ b> A and the glass plate 70 (see FIG. 5 in the above embodiment). Then, a pressing plate 85 that presses the document against the glass plate 70, a suction roller 86 and a separation roller 87 that suck the documents one by one into the lid cover 84, and a reversing roller 88 that reverses the transport direction of the sucked document. Have. The suction roller 86 and the separation roller 87 are pivotally supported by the pressing plate 85. As shown in FIG. 15, the reversing roller 88 is rotatably provided on the document cover 72 </ b> A via a drive shaft 89. Further, on the inner surface of the lid cover 84, two pad-like members 90 and 91 that can elastically contact the suction roller 86 and the separation roller 87, respectively, and two followers that can elastically contact the reversing roller 88 are provided. Rollers 92 and 93 are provided.

  A case member 94 is provided at a position behind the cover cover 84 of the document cover 72A. The case member 94 houses a document feed motor 95 and a transmission gear mechanism 96 that transmits the rotational driving force of the document feed motor 95 to the suction roller 86, the separation roller 87, and the drive shaft 89, respectively. Then, the suction roller 86 and the separation roller 87 are rotationally driven by the rotational driving force of the document feed motor 95, and the documents on the sheet feed tray unit 80 are sucked into the lid cover 84 one by one. Further, the reversing roller 88 is rotationally driven by the document feeding motor 95 so that the conveying direction of the sucked document is reversed from the left to the right, and the image of the document is read at the reading position below the reversing roller 88. Is read by. Then, the document from which the image has been read is discharged to the discharge tray unit 81.

  Here, the document feed motor 95 is disposed in the vicinity of the rotation axis of the scanner 4A extending in the front-rear direction (the left end portion of the frame member 15A), so that the scanner 4A is rotated with respect to the case body 2. A wiring member (not shown) for connecting the document feed motor 95 and the main control board 50 (see FIG. 5 in the above embodiment), the document feed motor 95 and the power supply unit 60 (see FIG. 8) Since it is difficult for an unreasonable force to act on the cable 97 that connects the cables, damage to the wiring member and the cable 97 can be prevented as much as possible. Further, since the document feed motor 95 is provided on the rear side of the multifunction peripheral 1 </ b> A on the side opposite to the main control board 50, noise generated due to the operation of the document feed motor 95 has an adverse effect on the main control board 50. It is possible to prevent the effect as much as possible.

  2] In the multifunction device 1 (1A) of the above-described embodiment, the tray storage unit 10 is provided with the supply tray 11 that also serves as the paper discharge tray, and the recording paper P is supplied from the front supply space 12a, and the case body 2 is configured to be inverted 180 degrees and discharged from the front discharge space 12b. However, only the discharge space 12b is formed in the tray storage portion 10, and the recording paper P is supplied from the rear, for example. It may be configured to be discharged from the front discharge space 12b.

  3] As in the above-described embodiment, the bottom surface of the tray storage unit 10 is not necessarily opened and opened downward, and may have a shape opened only in front of the supply tray 11 being inserted.

  4] The positions of the cartridge holder 41 and the power supply unit 60 disposed on both sides of the tray storage unit 10 may be reversed left and right. However, when the ink cartridge 40 is configured to be replaced from above as in the multi-function device 1 of the above embodiment, the cartridge holder 41 of the scanner 4 is used to facilitate the replacement work. It is preferable that it is arrange | positioned on the opposite side to a rotating shaft. On the other hand, when the multifunction device is configured such that the ink cartridge 40 is exchanged from the front or side, the cartridge holder 41 may be disposed at any position on the left and right with respect to the tray storage unit 10. .

1 is a perspective view of a multifunction machine according to an embodiment of the present invention. 1 is a front view of a multifunction machine. FIG. 3 is a front view of the multifunction machine (a state where the scanner is in a rotating position). FIG. 3 is a perspective view of the multifunction machine (a state where the scanner is in a rotating position). It is the VV sectional view taken on the line of FIG. FIG. 6 is a view taken along line VI-VI in FIG. 2. It is a perspective view inside a case main body. It is a disassembled perspective view of a case main body, a power supply part, and a network board. It is a disassembled perspective view of a case main body and a cover. FIG. 2 is a schematic front view of a multifunction machine showing an arrangement of main components. 1 is a schematic plan view of a multifunction machine. 1 is a schematic left side view of a multifunction machine. It is a perspective view of the compound machine (lid cover closed state) of a change form. It is a perspective view of the compound machine (lid cover open state) of a change form. It is a principal part perspective view of an automatic feeding mechanism.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,1A Multifunction machine 2 Case main body 3 Inkjet printer 4, 4A Scanner 10 Tray storage part 11 Supply tray 12a Supply space 12b Discharge space 12 Transport space 15, 15A Frame member 20 Transport mechanism 21 Recording unit 25a U-shaped transport part 31 Inkjet head 38 Waste liquid absorbing member 40 Ink cartridge 41 Cartridge holder 50 Main control board 51, 52 Connector 60 Power supply unit 70 Glass plate 71 Reading unit 72, 72A Document cover 75 Drive motor 76 Guide shaft 77 Wiring member 95 Document feed motor

Claims (14)

A recording apparatus comprising: a conveying unit that conveys a recording medium in a front-rear direction in a horizontal posture; and a recording unit that includes an inkjet head that ejects ink onto the recording medium conveyed by the conveying unit,
A housing for accommodating the conveying means and the recording unit;
A control board for controlling the operation of the recording apparatus;
A cartridge holder that holds an ink cartridge that stores ink supplied to the inkjet head,
A medium transport space including at least a discharge space for discharging the recording medium recorded by the recording unit is formed at a position in front of the recording unit in the housing.
In a state where the recording medium is transported in the front-rear direction in a horizontal posture, the control board is disposed horizontally above the medium transport space when viewed from the front,
The recording unit, in the rear than the medium conveying space is arranged so that its upper end position is in the same height position and the control board,
The cartridge holding portion is at least partially located on one side of the medium transport space when viewed from the front, and fits between the upper end position of the control board and the lower end position of the medium transport space in the vertical direction. Arranged,
The control board does not extend above the cartridge holding section, and the upper end of the ink cartridge held by the cartridge holding section is at the same height as the control board. . The recording apparatus according to claim 1, wherein the cartridge holding unit is configured so that the ink cartridge can be attached and detached from above.   The recording apparatus according to claim 1, wherein a power supply unit is disposed in a space on the other side of the medium conveyance space when viewed from the front. The recording apparatus according to claim 3, wherein the control board is disposed to extend above the power supply unit. A supply space for supplying the recording medium to the transport means is formed at a position below the discharge space in the housing.
A U-shaped transport unit connected to the supply space is arranged behind the recording unit,
The transport means is configured to discharge the recording medium supplied from the supply space from the discharge space above the supply space through the U-shaped transport unit,
The inkjet head is configured to be movable in the left-right direction perpendicular to the front-rear direction, which is the conveyance direction of the recording medium, and to be moved to a position further outside the both ends in the left-right direction of the recording medium. The recording apparatus according to claim 1, wherein the recording apparatus is a recording apparatus. To the space above the and in the rear of the recording portion and the U-shaped transport section, according to claim 5, the waste liquid absorbing member for absorbing waste ink discharged from the ink jet head is characterized in that it is provided Recording device. The medium conveyance space is formed in a concave portion provided in a central portion in the left-right direction of the housing and opened downward.
A medium holding part capable of holding the recording medium is detachably attached to the concave part from the front.
The recording apparatus according to claim 5, wherein when the medium holding portion is mounted in the concave portion, the lower portion of the concave portion is blocked by the medium holding portion. An image reading unit including a frame on which a glass plate on which an original is placed is attached and a reading unit capable of reading an image of the original;
The image reading unit, Oite the opposite edge of the housing and the cartridge holder with respect to the medium conveying space, that is rotatably pivoted about a pivot axis extending in the longitudinal direction A recording apparatus according to any one of claims 5 to 7. The reading means is arranged to be movable in the left-right direction,
The recording apparatus according to claim 8, wherein a wiring member that connects the reading unit and the control board extends from a rotation shaft side of the image reading unit.   The recording apparatus according to claim 9, wherein the control board extends to a vicinity of a rotation axis of the image reading unit. The image reading unit includes a document cover that is rotatably provided on the frame and covers an upper portion of the glass plate,
The recording shaft according to claim 8, wherein a rotation axis of the image reading unit with respect to the casing and a rotation axis of the document cover with respect to the frame are orthogonal to each other in plan view. apparatus. The image reading unit has a document feed motor that sends the document to the upper surface of the glass plate,
The recording apparatus according to claim 8, wherein the document feeding motor is disposed in the vicinity of a rotation shaft of the image reading unit. The image reading unit has a drive motor for driving the reading means in the left-right direction,
The recording apparatus according to claim 8, wherein the drive motor is disposed in a space behind the recording unit and above the U-shaped conveyance unit. The recording apparatus according to claim 1, wherein the control board is provided with a connector to which an external storage medium is connected from the front.

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