JP2006165637A - Image reading and recording apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a image reading and recording apparatus excellent in miniaturization and operability so as to be installed on a desk and used. <P>SOLUTION: The apparatus has a document table for placing an original document, an original reading means having an optical means for reading the document while moving along the document table, a sheet supporting means arranged on the lower part of the original reading means and supporting a sheet for forming an image, and a recording means for forming an image on the sheet supported by the sheet supporting means. A circuit board is provided on a part in which the sheet carrying direction is almost perpendicular to the movement direction of the optical means in the original reading means and which is the lower part of the original reading means and the side part of the sheet supporting means. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an image reading and recording apparatus having a function of reading an image of a document placed on a document table and a function of forming an image on a conveyed sheet.

  Conventionally, examples of this type of image reading and recording apparatus include a copying machine, a facsimile machine, and a multifunction machine.

  Among these image recording apparatuses, there is known an apparatus provided with a flat bed type image reading means (flat bed scanner) that scans a document image of a document placed on a document table and reads the image. In such an apparatus, the pressure plate for pressing a document placed on the document table is configured to be pivotable so as to be opened and closed.

  Therefore, as a configuration of the entire apparatus, in order to arrange the reading unit at the uppermost part of the apparatus main body and to integrate the apparatus main body, the recording unit is arranged below the reading unit, and the recording paper discharge port is also provided. It was set as the structure arrange | positioned under the reading part.

  However, in such a configuration, when the recording paper printed by the recording unit is discharged, the discharge stacking unit is secured in a considerable space so that it can be discharged between the reading unit and the recording unit. Because of the configuration, there was a drawback that the apparatus would be enlarged vertically.

  Therefore, as a configuration for reducing the size of the entire apparatus, as shown in FIG. 7, a recording paper cassette 71 for placing recording paper is arranged at the lower part of the apparatus main body, and a reading unit 72 is arranged at the upper part thereof. In addition, a configuration has been proposed in which the recording unit 73 is disposed on the side of the recording paper cassette. The control circuit board 74 is disposed between the recording paper cassette 71 and the reading unit 72.

As a prior art relating to the present invention, for example, there is a technique described in Japanese Patent Laid-Open No. 5-207211.
Japanese Patent Laid-Open No. 5-207211

  However, in the case of the prior art as described in JP-A-5-207211, there are the following problems.

  In the technique described in Japanese Patent Laid-Open No. 5-207211, a configuration in which the conveyance direction of the recording paper is orthogonal to the sub-scanning direction of the reading unit has been proposed. In addition, since the ink film roll and the recording means are arranged, there is a problem that the depth direction of the apparatus becomes large. In addition, since the control circuit board is disposed above the recording paper cassette and the reading unit is disposed above the recording circuit cassette, there is a problem that the height direction of the apparatus main body is increased.

  The present invention has been made in order to solve the above-described problems of the prior art, and an object of the present invention is to provide an image reading / recording that is small in size and excellent in operability so that it can be installed on a desk and used easily. It is in providing the equipment.

  In order to achieve the above object, the present invention comprises the following arrangement.

  A first configuration of an image reading and recording apparatus according to the present invention includes a document table on which documents are stacked, a document reading unit having optical means for reading a document image while moving along the document table, and the document reading unit. A sheet support unit that is disposed below and supports a sheet for forming an image; and a recording unit that forms an image on the sheet supported by the sheet support unit. The moving direction of the optical means in the reading means is substantially perpendicular, and a circuit board is provided on the side of the sheet supporting means below the original reading means.

  A second configuration of the image reading and recording apparatus according to the present invention is characterized in that a circuit board is provided below the original reading means and on the first side of the sheet supporting means.

  According to a third configuration of the image reading and recording apparatus of the present invention, a first circuit board and a second circuit board are provided below the original reading means on the first side of the sheet supporting means, and the sheet is provided. A third circuit board is provided on the second side of the support means.

  According to a fourth configuration of the image reading and recording apparatus of the present invention, a first circuit board is provided below the original reading means on the first side of the sheet supporting means, and the second of the sheet supporting means is provided. A second circuit board and a third circuit board are provided laterally.

  A fifth configuration of the image reading and recording apparatus according to the present invention includes a document table on which documents are stacked, a document reading unit having optical means for reading a document image while moving along the document table, and the document reading unit. A sheet support unit disposed below and supporting a sheet for forming an image; and a sheet disposed above and laterally above the document reading unit and above the sheet support unit and supported by the sheet support unit. An ink jet recording unit that forms an image by ejecting ink, and the conveyance direction of the sheet and the moving direction of the optical unit in the document reading unit are substantially perpendicular to each other below the document reading unit or the ink jet recording unit. A circuit board is arranged on the side of the sheet support means.

  According to a sixth configuration of the image reading and recording apparatus according to the present invention, the ink jet recording means has a recovery portion that performs an ink head suction operation, and the recovery portion is below the original reading means or the ink jet recording means. A circuit board is provided on a second side which is a symmetric side with a first side of the sheet supporting means which is a lower side.

  According to a seventh configuration of the image reading and recording apparatus of the present invention, a first circuit board and a second circuit board are provided on the first side below the original reading means or the ink jet recording means, A third circuit board is provided on the second side.

  According to an eighth configuration of the image reading and recording apparatus of the present invention, a first circuit board is provided on the first side below the original reading means or the ink jet recording means, and the second side is provided. A second circuit board and a third circuit board are provided.

  A ninth configuration of the image reading and recording apparatus according to the present invention is characterized in that a fourth circuit board is provided on the back surface of the inkjet recording means.

  A tenth configuration of the image reading and recording apparatus according to the present invention is characterized in that a control circuit for controlling the entire apparatus is provided on the first circuit board.

  An eleventh configuration of the image reading and recording apparatus according to the present invention is characterized in that a communication circuit for communicating image information is provided on the second circuit board.

  A twelfth configuration of the image reading and recording apparatus according to the present invention is characterized in that a power input section is provided on the third circuit board.

  A thirteenth configuration of the image reading and recording apparatus according to the present invention is characterized in that a control circuit for controlling the recording unit is provided on the fourth circuit board.

  In a fourteenth configuration of the image reading and recording apparatus according to the present invention, the sheet discharge direction is the front face of the apparatus, the sheet support means is a drawer-type storage cassette, and the drawer direction of the storage cassette is the front face of the apparatus. And

  A fifteenth configuration of an image reading and recording apparatus according to the present invention is characterized by having a conveying means for U-turning and conveying the sheet supported by the sheet supporting means to the inkjet recording means.

  A sheet supporting unit is disposed below the document reading unit by the unit, and the sheet conveyance direction and the moving direction of the optical unit in the document reading unit are substantially perpendicular to each other. Since the circuit board is provided on the device, the height direction of the device can be reduced. In addition, it is possible to improve operability when the reading unit is used on a desk.

  In addition, by providing a circuit board on one side of the sheet support means below the document reading means, the path for connecting means such as cables for connecting the boards is simplified, reducing component costs and assembly costs. can do. In addition, the assembly and maintenance of the substrate can be improved.

  A second circuit having a communication circuit for communicating image information with a first circuit board having a control circuit for controlling the entire apparatus on the first side of the sheet supporting unit below the document reading unit. The circuit board is provided, and the third circuit board having the power input unit is provided on the second side of the sheet supporting means, so that the influence of noise and heat generated from the third circuit board is exerted on the other board. It can be prevented from reaching.

  A first circuit board is provided on the first side of the sheet supporting means below the document reading means, and the second circuit board is attached to the second side of the sheet supporting means for connecting the line. By providing the third circuit board to which the communication cable is attached, the cords can be pulled out from the same side surface of the apparatus.

  Further, a sheet supporting unit is disposed below the document reading unit, an ink jet recording unit is disposed above the side of the document reading unit and above the sheet supporting unit, and the sheet conveying direction and the moving direction of the optical unit in the document reading unit are substantially perpendicular to each other. Thus, the circuit board is provided on the side of the sheet supporting means below the document reading means, so that the apparatus depth direction and height direction can be reduced in size. In addition, it is possible to improve operability when the reading unit is used on a desk.

  In addition, by providing a circuit board on the second side that is symmetrical to the first side of the sheet support means, which is below the recovery portion of the ink jet recording means, adhesion of ink mist or the like to the substrate is prevented. Can be prevented. Further, the route of connecting means such as a cable for connecting the substrates is simplified, and the component cost and assembly cost can be reduced. In addition, the assembly and maintenance of the substrate can be improved.

  Further, since the sheet supporting means is a drawer-type storage cassette and the storage cassette drawer is arranged so that it can be operated from the front of the apparatus, the operability is improved.

  In addition, by arranging the recording unit on the back side of the device, it is possible to perform gravity direction printing that maximizes the printing accuracy of the inkjet recording means, and to enable horizontal paper discharge that keeps the printed sheet with high accuracy. Can do.

  Further, color printing can be easily performed by arranging an ink jet recording means and exchanging the recording head.

  As described above, according to the present invention, the recording paper cassette is arranged below the original reading unit and the recording unit, and the moving direction of the optical means of the original reading unit is orthogonal to the longitudinal direction of the recording paper cassette and the sheet conveying direction. The circuit board is arranged side by side in the empty space on the side of the recording paper cassette below the original reading unit and the recording unit, so that space efficiency can be improved and the apparatus height direction can be reduced. it can. Further, the document reading unit A can be arranged at a low position, and the operability when the reading unit is used on a desk can be improved.

  Further, the means and path of connecting means such as cables and connectors for electrically connecting the respective boards can be made extremely simple, the parts cost can be reduced, and the assembling property can be improved and the assembling cost can be reduced. In addition, the assembly and maintenance of the substrate can be improved.

  In addition, since the power input section and the modular jack connector are exposed to the outside of the main body through a hole opened on the side of the device, both the power cord and the modular cable can be pulled out from the side of the device and pulled, and the device can be drawn on the desk. When used, these codes do not become complicated on the desk, do not take up space, and a substantial installation space is minimized, making the apparatus easy to use for the user.

  Further, by disposing each substrate in an empty space on the side of the recording paper cassette where the recovery unit of the recording unit is not disposed, it is possible to prevent ink mist or the like from adhering to the substrate.

  Further, by arranging the power supply board, the NCU board, and the control board at positions separated from each other, it is possible to prevent noise and heat generated from the power supply board from affecting other boards.

  A recording paper cassette is provided below the original reading unit, an ink jet recording unit is disposed on the upper side of the original reading unit and on the upper side of the recording paper cassette, and the moving direction of the optical means of the original reading unit and the longitudinal direction of the recording paper cassette In addition, the sheet conveyance direction is arranged orthogonally, and the arrangement in which the sheet on which the image is formed by the recording unit is discharged on the upper part of the document reading unit is adopted. A recording apparatus can be provided.

  In addition, a pressure plate that presses the document placed on the document table to the document table side is provided so as to be rotatable in the direction to open the document table, and is discharged from the sheet discharge means on the surface opposite to the document pressing surface. By having a sheet stacking unit for stacking sheets, it is not necessary to provide a sheet stacking tray, and the cost can be reduced.

  In addition, by arranging the recording unit on the back side of the device, it is possible to print in the gravitational direction to maximize the printing accuracy by the inkjet recording means, and the recording surface is discharged horizontally and upward to the pressure plate. Can be checked sequentially, and handling of the device that does not stain the printing surface becomes convenient.

  In addition, it is possible to easily replace the cartridge and maintain the recording unit by providing a lid that is rotatably held by the apparatus main body, is provided above the sheet discharge means, and serves as an exterior and a cartridge replacement lid. Operability is improved.

  In addition, the operation section operation, recording paper replacement, document setting, recording head replacement, etc. can all be accessed from the front, and can be installed on a desk and used easily.

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

[First embodiment]
The arrangement of the components of the image reading and recording apparatus that is the most characteristic of the embodiment will be briefly described. FIG. 1 is an external perspective view of the image reading and recording apparatus, and FIG. 2 is a schematic sectional view of the image reading and recording apparatus.

  As shown in the figure, the image reading and recording apparatus includes a flatbed scanner type original reading unit A as an original reading unit, and an ink jet recording apparatus which is an image forming unit disposed on the upper side of the original of the original reading unit A. And a recording paper cassette (recording paper storage cassette) C that constitutes a pre-recording sheet stacking section that supports and stores the recording sheet 1 and can be pulled out to the front E of the apparatus. It has been.

  A discharge unit D, which is a sheet discharge unit having a discharge port 2 through which the recording sheet 1 recorded and printed by the recording unit B is discharged substantially horizontally, is a cover member that presses a document read by the document reading unit A. The pressure plate 3 is located on the upper side of the apparatus on the back side.

  Here, the pressure plate 3 has a function for covering the original to the original platen side, and on the surface (upper surface) opposite to the original holding side, the recorded sheet discharged from the discharge port 2 is recorded. It also has a function as a recorded sheet stacking section (sheet discharge tray) for stacking. The pressure plate 3 as a document cover member is configured to be rotatable in the direction toward the back of the apparatus with the pressure plate hinge 4 as a rotation center.

  In the recording section B, the recording cover 5 is configured to be rotatable about the upper cover 7 about the recording cover hinge 6 as a rotation center.

  An operation unit 51 includes a liquid crystal display unit, dial keys, and other operation keys as illustrated.

  Next, the reading unit A will be described.

  FIG. 3 is a top surface layout diagram of the reading part of the image reading and recording apparatus. Here, the longitudinal direction of the document reading section A and the moving direction F of the image sensor are arranged so that the longitudinal direction of the recording paper cassette C and the transporting direction G of the recording paper are orthogonal to each other.

  As shown in the drawing, in the reading section A, an image sensor 30 as a document reading means is attached to an image sensor holder 31, and the image sensor holder 31 is fixed to a guide rail 32, and a reading drive section (not shown). As the belt (not shown) is driven, the image sensor 30 is driven horizontally along the guide rail 32 in the left-right direction of the device indicated by the arrow F. A contact glass 33 serving as a document table is provided on the image sensor 30. The document surface is set downward on the document placement surface of the contact glass 33, and the document is scanned by reading and scanning in the direction of arrow F of the image sensor 30. Read image information.

  In this embodiment, the size of the document is, for example, A4 size, the image sensor has a longitudinal readable width of 210 mm, and a reading conveyance distance of 297 mm.

  The surface in contact with the contact glass 33 of the pressure plate 3 that can be rotated by the pressure plate hinge 4 is formed of a material such as sponge or urethane foam, and is configured to press the document uniformly against the contact glass 33. Further, the pressure plate hinge 4 is fitted in a hole of a reading unit cover (not shown) so as to be detachable in the vertical direction with respect to the document reading unit A.

  Next, the flow of the recording sheet 1 will be outlined. A series of recording paper transport paths is indicated by an arrow G.

  First, the recording paper cassette C will be described.

  As the recording sheet 1, it is possible to use plain paper, a plastic sheet or the like and other materials that can transfer ink. In this embodiment, plain paper cut to A4 size is used as the recording sheet 1. A plurality of recording sheets 1 are stacked and a limited number of recording sheets are stored and stacked on the cassette frame 21 by a recording sheet height regulating plate (not shown). The cassette frame 21 is configured so that the side surface of the recording sheet 1 can be guided by a slider (not shown) according to the size of the recording sheet 1.

  In FIG. 2, an intermediate plate 22 formed at the bottom of the recording sheet 1 is supported so as to be rotatable about a rotation shaft (not shown), and the recording sheet 1 is moved to the separation roller 23 by an intermediate plate spring (not shown). Contact with. Further, the separation roller 23 is controlled to rotate once in the direction of the arrow shown by a driving system (not shown), and when the recording sheet 1 comes into contact with the rubber portion 23a, the urging force of the intermediate plate 22 is obtained, and Only one sheet is separated by 24 and conveyed to the recording section B by U-turn.

  Next, the recording unit B will be described.

  As a recording system of this apparatus, what is generally called an inkjet recording apparatus is adopted.

  In FIG. 2, a recording unit B is supplied from a recording paper cassette C in accordance with an image signal transmitted from a host device such as a personal computer, an image signal such as character data, or an image signal read by the reading unit A. An image is recorded on the recorded sheet 1.

  More specifically, the recording paper presser 10 is pressed toward the LF roller 11 and serves as an upper guide for the recording sheet 1 conveyed from the recording paper cassette C, with the pinch roller 10a facing the LF roller 11. Yes. Then, the recording sheet 1 is conveyed between the recording cartridge 12 and the platen plate 13, and the recording operation is performed by ejecting ink in the direction of gravity by the recording cartridge 12. In this embodiment, the recording cartridge 12 is detachably mounted on the carriage 12a by a motor and a drive system (not shown), and slides on the carriage shaft 14 so that the width direction of the recording sheet 1 (recording sheet conveyance direction). The printer is configured to perform serial printing while moving in the direction perpendicular to the head. In addition, a capping unit that prevents the ink discharge port of the recording cartridge 12 from drying, a pump unit that performs suction recovery that removes dirt on the ink discharge port and inside the recording head, and a wiping unit that removes dirt on the ink discharge port are included. A recovery unit is configured on the left side of the apparatus in the width direction of the recording sheet 1.

  Next, the recording sheet 1 after printing and recording is transported to a discharge section D positioned downstream of the recording cartridge 12, and a discharge roller 15a for transporting printed recording paper downstream of the apparatus, and a discharge roller. In the direction of the arrow G illustrating the recording sheet 1 so that the printing surface is not soiled by a spur roller 15b made of a material that does not transfer ink even if it contacts the printing surface of the recording paper. It is conveyed to the outside and discharged straight onto the pressure plate 3 of the reading unit A which also serves as a recording paper discharge tray.

  Next, the layout of the circuit board in this embodiment will be described with reference to FIG.

  FIG. 4 is a schematic top view of components of the image reading and recording apparatus.

  In FIG. 4, a power supply board 41 provided with a power supply circuit including a power supply input section 41a is disposed below the original reading section A and the recording section B at a position from the rear side of the right side of the recording paper cassette C. The power input part 41a is exposed to the outside of the main body through a hole 41b opened on the right side surface of the apparatus, and is supplied with electric power from an external commercial power source through a power cord (not shown).

  Further, an NCU board 42 provided with a communication circuit such as an NCU or a modem for communicating image information is disposed on the right side of the apparatus of the recording paper cassette C and in front of the power supply board 41. The NCU board 42 is provided with a modular jack connector 42a for connecting the device to a telephone line. The modular jack connector 42a is exposed to the outside of the main body through a hole 42b opened on the right side of the device. To enable communication of image data and the like. Instead of providing the modular jack connector 42a on the NCU board 42, a modular board may be provided as a separate board.

  A control board 43 provided with a control circuit including a CPU for controlling the entire apparatus, an image information processing circuit, and the like is disposed on the right side of the apparatus of the recording paper cassette C and in front of the NCU board 42.

  Thus, by arranging the circuit boards side by side in the empty space on the right side of the recording paper cassette C below the document reading unit A and the recording unit B, space efficiency is improved, and the document reading unit A is placed at a low position. It is possible to improve the operability of the reading unit and handling of the discharged recording paper.

  Further, the means and path of connecting means such as cables and connectors for electrically connecting the respective boards can be made extremely simple, the parts cost can be reduced, and the assembling property can be improved and the assembling cost can be reduced.

  Since the power input part 41a and the modular jack connector 42a are exposed to the outside of the main body through the holes 41b and 42b opened on the right side of the apparatus, both the power cord and the modular cable are pulled out from the right side of the apparatus and pulled. When the apparatus is used on a desk, these codes are not complicated on the desk, do not take up space, and a substantial installation space is minimized.

  Further, by disposing each substrate on the right side of the apparatus where the recovery unit of the recording unit B is not disposed, it is possible to prevent ink mist or the like from adhering to the substrate.

  Next, loading and replacement of the recording cartridge 12 will be described. The recording cartridge 12 can be easily loaded or exchanged by opening and closing the recording cover 5 by the operator because the recording cover 5 is provided at the top of the recording unit. That is, as shown in FIG. 2, the recording cover 5 can be opened and closed so as not to interfere with the pressure plate 3 and the reading unit A. And maintainability are improved. Furthermore, the replenishment of the recording sheet 1 can be easily performed by pulling out the recording cassette C in the front direction E of the apparatus as described above.

  As an example of an embodiment of the present invention, a flat bed scanner (original reading unit) A that reads an A4 size original is placed on a recording paper cassette C that can store 100 sheets of A4 size plain paper as recording sheets. If the ink jet recording unit B is arranged on the upper side, the size required for the operation range of the recording cartridge 12 of the ink jet recording unit B and the operation range of the image sensor 30 of the flat bed scanner are almost the same. As for the size of the device, it is possible to achieve a size of about 370 mm in device width, 350 mm in device depth, 180 mm in device height, and 60 mm in height of the reading unit, and the installation surface range does not require an A3 size, so it is on a personal desk. The image reading / recording apparatus can be installed in an operator and can be operated while sitting down.

[Second Example]
Another embodiment of the above-described image reading and recording apparatus will be described. In the figure, the same reference numerals as those in the first embodiment are the same as those in the first embodiment.

  The present embodiment has the same configuration as the above-described image reading and recording apparatus except for the arrangement of the circuit board.

  FIG. 5 is a schematic component top view 2 of the image reading and recording apparatus.

  In FIG. 5, a power supply substrate 51 provided with a power supply circuit including a power input unit 51 a is disposed below the original reading unit A and the recording unit B and at a position from the back side of the right side of the recording paper cassette C. The power input unit 51a is exposed to the outside of the main body through a hole 51b opened on the back of the apparatus, and is supplied with power from an external commercial power source from a power cord (not shown).

  Further, an NCU board 52 provided with a communication circuit such as an NCU or a modem for communicating image information is disposed below the original reading unit A and the recording unit B at a position from the rear left side of the recording paper cassette C. Yes. The NCU board 52 is provided with a modular jack connector 52a for connecting the apparatus to a telephone line. The modular jack connector 52a is exposed to the outside of the main body through a hole 52b opened on the rear face of the apparatus. Connected to enable communication of image data and the like.

  A control board 53 provided with a control circuit including a CPU for controlling the entire apparatus, an image information processing circuit, and the like is disposed on the left side of the apparatus of the recording paper cassette C and in front of the NCU board 52.

  As described above, the power supply substrate 51 is arranged in the empty space on the right side of the apparatus of the recording paper cassette C below the document reading section A and the recording section B, and the NCU board 52 and the control board are disposed in the empty space on the left side of the apparatus of the recording paper cassette C. By arranging 53, space efficiency can be improved and the document reading section A can be disposed at a low position, and the operability of the reading section and handling of discharged recording paper can be improved.

  Further, by arranging the power supply board 51, the NCU board 52, and the control board 53 at positions separated from each other, it is possible to prevent noise and heat generated from the power supply board 51 from affecting other boards.

  Further, since the power input portion 51a and the modular jack connector 52a are exposed to the outside of the main body through the holes 51b and 52b opened in the back of the apparatus, both the power cord and the modular cable can be pulled out from the right side of the main body and pulled. When the apparatus is used on a desk, these codes are not complicated on the desk, do not take up space, and a substantial installation space can be minimized.

[Third embodiment]
Another embodiment of the above-described image reading and recording apparatus will be described. In the figure, the same reference numerals as those in the first embodiment are the same as those in the first embodiment.

  The present embodiment has the same configuration as the above-described image reading and recording apparatus except for the arrangement of the circuit board.

  FIG. 6 is a schematic component top view 3 of the image reading and recording apparatus.

  In FIG. 6, a power supply board 61 provided with a power supply circuit including a power supply input portion 61 a is disposed below the original reading portion A and the recording portion B and at a position from the back side of the right side of the recording paper cassette C. The power input unit 61a is exposed to the outside of the main body through a hole 61b opened on the right side of the apparatus, and is supplied with electric power from an external commercial power source through a power cord (not shown).

  An NCU board 42 provided with a communication circuit such as an NCU or a modem for communicating image information is disposed on the right side of the recording paper cassette C on the right side of the power supply board 61. The NCU board 42 is provided with a modular jack connector 42a for connecting the device to a telephone line. The modular jack connector 42a is exposed to the outside of the main body through a hole 42b opened on the right side of the device. To enable communication of image data and the like.

  A control board 63 including a control circuit including a CPU for controlling the entire apparatus, an image information processing circuit, and the like is disposed below the original reading unit A and the recording unit B at a position from the rear left side of the recording paper cassette C. ing.

  As described above, the power supply board 61 and the NCU board 62 are arranged in the empty space on the right side of the apparatus of the recording paper cassette C below the document reading section A and the recording section B, and the control board is placed in the empty space on the left side of the apparatus of the recording paper cassette C. By arranging 63, space efficiency can be improved and the document reading section A can be disposed at a low position, and the operability of the reading section and handling of discharged recording paper can be improved.

  Since the power input portion 61a and the modular jack connector 62a are exposed to the outside of the main body through the holes 61b and 62b opened on the right side of the apparatus, both the power cord and the modular cable are pulled out from the right side of the main body and pulled. When the apparatus is used on a desk, these codes are not complicated on the desk, do not take up space, and a substantial installation space is minimized.

  By disposing the power supply board 61 and the control board 63 apart from each other, it is possible to prevent the control board 63 from being affected by noise and heat generated from the power supply board 61.

  As mentioned above, although the form of the Example of this invention was demonstrated, this invention is not limited to this Embodiment, Of course, various main forms can be employ | adopted in the range which does not deviate from the summary. It is.

  For example, although the embodiment is configured as a facsimile machine or a multifunction machine having an NCU board provided with a communication circuit such as an NCU or a modem for communicating image information, the copying machine or the multifunction machine without the NCU board. You may apply to. Further, the present invention may be applied to a copying machine, a facsimile machine, or a multifunction machine having a configuration in which the operation unit is arranged on the front side of the apparatus. Furthermore, although the case where an image sensor is used in the document reading unit has been described, a flat bed scanner of a type in which an optical mirror is moved may be used.

1 is an external perspective view of an image reading and recording apparatus in an embodiment that best illustrates the present invention. 1 is a schematic sectional view of an image reading and recording apparatus according to the present invention. FIG. 3 is a top view of a reading part component of the image reading and recording apparatus according to the present invention. FIG. 2 is a schematic top view of components of the image reading and recording apparatus according to the present invention. FIG. 6 is a schematic top view of components of an image reading and recording apparatus according to another embodiment of the present invention. FIG. 4 is a schematic component top view 3 of an image reading and recording apparatus according to another embodiment of the present invention. FIG. 1 is a schematic sectional view of a conventional example: Japanese Patent Laid-Open No. 5-207211.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Recording sheet 2 Outlet 3 Pressure plate 5 Recording cover 7 Upper cover 10 Recording paper holder 10a Pinch roller 11 LF roller 12 Recording cartridge 12a Carriage 13 Platen plate 14 Carriage shaft 15a Paper discharge roller 15b Spur roller 21 Cassette frame 22 Middle plate 23 Separation Roller 23a Rubber part 24 Separation pad 30 Image sensor 31 Image sensor holder 32 Guide rail 33 Contact glass 41 Power supply board 42 NCU board 43 Control board A Image reading part B Recording part C Cassette D Discharge part

Claims (15)

An original table on which an original is loaded;
An original reading means having an optical means for reading an original image while moving along the original table;
A sheet support unit disposed below the document reading unit and supporting a sheet for forming an image;
Recording means for forming an image on a sheet supported by the sheet support means,
The conveying direction of the sheet and the moving direction of the optical means in the document reading means are substantially perpendicular,
An image reading and recording apparatus, wherein a circuit board is provided on a side of the sheet supporting unit below the document reading unit.   2. The image reading and recording apparatus according to claim 1, wherein a circuit board is provided on the first side of the sheet supporting unit below the document reading unit.   A first circuit board and a second circuit board are provided below the original reading means on the first side of the sheet supporting means, and a third circuit board is provided on the second side of the sheet supporting means. 2. The image reading and recording apparatus according to claim 1, wherein the image reading and recording apparatus is provided.   A first circuit board is provided on the first side of the sheet support means below the document reading means, and a second circuit board and a third circuit board are provided on the second side of the sheet support means. 2. The image reading and recording apparatus according to claim 1, wherein the image reading and recording apparatus is provided. An original table on which an original is loaded;
An original reading means having an optical means for reading an original image while moving along the original table;
A sheet support unit disposed below the document reading unit and supporting a sheet for forming an image;
An ink jet recording unit that is disposed on an upper side of the document reading unit and on an upper side of the sheet supporting unit, and forms an image by ejecting ink onto a sheet supported by the sheet supporting unit;
The conveying direction of the sheet and the moving direction of the optical means in the document reading means are substantially perpendicular,
Below the original reading means or the inkjet recording means,
2. The image reading and recording apparatus according to claim 1, wherein a circuit board is disposed on a side of the sheet supporting unit. The inkjet recording means has a recovery unit that performs suction operation of the ink head,
A circuit board is provided below the original reading unit or the ink jet recording unit and on a second side that is symmetrical to the first side of the sheet supporting unit that is below the recovery unit. The image reading and recording apparatus according to claim 5.   A first circuit board and a second circuit board are provided on the first side and a third circuit board is provided on the second side below the original reading unit or the inkjet recording unit. The image reading and recording apparatus according to claim 5.   A first circuit board is provided on the first side and a second circuit board and a third circuit board are provided on the second side below the original reading unit or the ink jet recording unit. The image reading and recording apparatus according to claim 5.   The image reading and recording apparatus according to claim 5, further comprising a fourth circuit board on a back surface of the ink jet recording unit.   The image reading and recording apparatus according to claim 1, wherein a control circuit that controls the entire apparatus is provided on the first circuit board.   The image reading and recording apparatus according to claim 1, wherein a communication circuit for communicating image information is provided on the second circuit board.   The image reading and recording apparatus according to claim 1, wherein a power input unit is provided on the third circuit board.   The image reading and recording apparatus according to claim 5, wherein a control circuit that controls the recording unit is provided on the fourth circuit board.   The sheet discharge direction is the front face of the apparatus, the sheet supporting means is a drawer-type storage cassette, and the pull-out direction of the storage cassette is the front face of the apparatus. Image reading and recording apparatus.   The image reading and recording apparatus according to claim 5, further comprising a conveying unit that U-turns the sheet supported by the sheet supporting unit and conveys the sheet to the ink jet recording unit. .

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