JP5470229B2 - Electrical apparatus and image forming apparatus - Google Patents

Description

  The present invention relates to electrical equipment, and more particularly to an image forming apparatus.

  An image forming apparatus such as a copying machine can be optionally added with a facsimile function. In order to add the facsimile function, it is necessary to connect the facsimile board to the main control board of the image forming apparatus. Connection of the facsimile board is performed by a manufacturer's service person (Patent Document 1).

  The image forming apparatus normally has not only a first slot for connecting a facsimile board but also a second slot for connecting another optional board. Although the first slot and the second slot have substantially the same shape, the facsimile board is connected by the manufacturer's service person, so there is no fear that the facsimile board is erroneously inserted into the second slot.

JP 2007-166209 A

  However, since the first slot and the second slot have substantially the same shape, the facsimile board may be erroneously inserted into the second slot when the facsimile board is performed by the user.

  SUMMARY An advantage of some aspects of the invention is that it provides an electrical apparatus and an image forming apparatus capable of preventing erroneous insertion into a slot of a control board that is optionally added.

  In order to achieve the above object, an electrical apparatus according to the present invention includes an apparatus body having a controlled function, a control board that controls the function, and a board assembly that includes a holding member that holds the control board. A connection part provided in the apparatus main body and electrically connected to the control board of the board assembly, and formed in the apparatus main body, and the board assembly is inserted when the control board is connected to the connection part A first insertion port, a second insertion port formed in the apparatus main body, and when the substrate assembly is inserted into the second insertion port, the substrate assembly interferes with a part of the substrate assembly. Is prevented from being erroneously inserted into the second insertion slot, while the board assembly does not interfere with the board assembly when the board assembly is inserted into the first insertion slot. And a mis-insertion preventing portion permits it to be inserted into the mouth.

  The electrical device according to the present invention includes an erroneous insertion prevention unit. The erroneous insertion prevention unit prevents the substrate assembly from being erroneously inserted into the second insertion port by interfering with a part of the substrate assembly when the substrate assembly is inserted into the second insertion port. Thereby, it is recognized that the board assembly is erroneously inserted, and the board assembly is correctly inserted into the first insertion slot.

  In a preferred embodiment of the present invention, the erroneous insertion prevention portion is formed on the holding member, and the erroneous insertion prevention piece for preventing the control board from being erroneously inserted into the second insertion port, It has an opening formed in the apparatus main body at a position near one insertion port and through which the erroneous insertion preventing piece can be inserted. When the substrate assembly is inserted into the second insertion port, the erroneous insertion prevention piece collides with the apparatus main body, thereby preventing erroneous insertion of the substrate assembly into the second insertion port. When the substrate assembly is inserted into the first insertion opening, the erroneous insertion preventing piece is inserted through the opening, and the insertion of the substrate assembly into the first insertion opening is allowed.

  According to this configuration, the erroneous insertion preventing piece is formed in the holding member, and the opening through which the erroneous insertion preventing piece can be inserted is formed in the apparatus main body. The erroneous insertion preventing piece prevents the substrate assembly from being inserted into the second insertion port by colliding with the apparatus main body when the substrate assembly is inserted into the second insertion port. On the other hand, when the board assembly is inserted into the first insertion slot, the erroneous insertion prevention piece is inserted through the opening, and insertion into the first insertion slot of the board assembly is allowed. As described above, in the electrical apparatus according to the present invention, erroneous insertion of the board assembly is prevented by a simple interference structure using the erroneous insertion prevention piece.

  In another preferred embodiment of the present invention, the apparatus main body includes a cover member that covers the connection portion, and the cover member includes the first insertion port and the second insertion port, and The substrate assembly has a side surface facing in an insertion direction to be inserted into the first insertion port, and the opening is formed on the side surface of the cover member.

  According to this configuration, the opening is formed on the side surface of the cover member. Therefore, when the board assembly is erroneously inserted into the second insertion slot, the erroneous insertion prevention piece collides with the cover member, thereby preventing erroneous insertion into the second insertion slot of the board assembly. Thus, even when the opening is formed on the side surface of the cover member, erroneous insertion of the substrate assembly can be prevented with a simple interference structure by the erroneous insertion prevention piece.

  In still another preferred embodiment of the present invention, the erroneous insertion preventing piece has an affixing surface for adhering a label on which information on the control board is described, and the cover member is the control board. Has a window portion that allows visual recognition of the label from the outside in a state of being connected to the connection portion.

  According to this configuration, since the label is visible through the window portion, it is easy to confirm information regarding the control board.

  In still another preferred embodiment of the present invention, the cover member includes a first cover member that covers the connection portion and a second cover member that constitutes an exterior, and the first cover member is the first insertion member. An opening and a second insertion opening formed, and having a first side facing the insertion direction of the substrate assembly, the second cover member being adjacent to the first side and extending in the insertion direction of the substrate assembly The opening has a second side surface facing, and the opening is formed in the second side surface.

  According to this configuration, the opening is formed on the second side surface of the second cover member. Therefore, when the board assembly is erroneously inserted into the second insertion slot, the erroneous insertion prevention piece collides with the second side surface of the second cover member, and prevents erroneous insertion into the second insertion slot of the board assembly. Thus, even when the opening is formed on the second side surface of the second cover member, it is possible to prevent erroneous insertion of the substrate assembly with a simple interference structure using the erroneous insertion prevention piece.

  In still another preferred embodiment of the present invention, the opening is formed by notching an edge of the second side surface on the first side surface side.

  According to this configuration, the opening is formed at the edge of the second side surface on the first side surface side. Therefore, when the board assembly is erroneously inserted into the second insertion slot, the erroneous insertion prevention piece collides with the edge of the second side surface to prevent erroneous insertion into the second insertion slot of the board assembly. As described above, even when the opening is formed in the edge portion of the second side surface, erroneous insertion of the substrate assembly can be prevented with a simple interference structure by the erroneous insertion prevention piece. Further, when the opening is formed at the edge portion of the second side surface, complicated machining is not required.

  In still another preferred embodiment of the present invention, the erroneous insertion preventing piece has an affixing surface for affixing a label on which information on the control board is described, and the second cover member is The control board has a window part that allows the label to be visually recognized from the outside in a state of being connected to the connection part.

  According to this configuration, since the label is visible through the window portion, it is easy to confirm information regarding the control board.

  An image forming apparatus according to the present invention is an image forming apparatus having an apparatus main body for forming a toner image on a sheet, and the apparatus main body is an apparatus main body having the above-described configuration.

  Since the image forming apparatus according to the present invention includes the erroneous insertion prevention unit, the apparatus is easy to handle for the user.

  In still another preferred embodiment of the present invention, the function controlled in the apparatus main body is an optional function that is optionally added to the apparatus main body, and the control board is a control board that controls the optional function. .

  Since the image forming apparatus includes an erroneous insertion prevention unit, it is easy to connect a control board as an option.

  In still another preferred embodiment of the present invention, the optional function is a facsimile function, and the control board is a facsimile board that controls the facsimile function.

  Since the image forming apparatus includes an erroneous insertion prevention unit, it is easy to connect a facsimile board as an option.

  According to the electrical apparatus and the image forming apparatus according to the present invention, the erroneous insertion preventing portion can prevent the substrate assembly from being erroneously inserted into the second insertion port. Thereby, it is recognized that the board assembly is erroneously inserted, and the board assembly is correctly inserted into the first insertion slot.

1 is an external perspective view of an image forming apparatus according to an embodiment of the present invention as viewed obliquely from the front. FIG. 2 is an external perspective view of the image forming apparatus as viewed obliquely from the rear. FIG. 3 is a rear perspective view of the image forming apparatus with the back cover and the extension cover removed. FIG. 3 is an enlarged perspective view of a controller box fixed to a back frame of the apparatus main body of the image forming apparatus. It is a perspective view of a facsimile board assembly. It is a schematic diagram which shows a facsimile board, a main control board, and a 1st connector. It is a partially expanded perspective view of a back cover, and shows the vicinity of the left side plate of the controller box. FIG. 4 is an enlarged perspective view of a controller box, showing a state in which a facsimile board is inserted into a first slot and a compact flash memory is inserted into a second slot.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an external perspective view of an image forming apparatus 1 according to an embodiment of the present invention when viewed obliquely from the front, and FIG. 2 is an external perspective view of the image forming apparatus 1 viewed from an oblique rear. The image forming apparatus 1 is an example of an electric apparatus according to the present invention, and illustrates an in-body discharge type multifunction peripheral. Note that terms representing directions such as “up”, “down”, “left”, “right”, “front”, and “rear” are merely for the purpose of clarifying the description, and the present invention is not limited to this. It is not intended to limit.

  The image forming apparatus 1 has a substantially rectangular parallelepiped housing structure and includes an apparatus main body 2 including an in-cylinder space (an in-cylinder discharge unit 24). The apparatus main body 2 performs an image forming process on the sheet. The apparatus main body 2 includes a substantially rectangular parallelepiped lower casing 21, a substantially rectangular parallelepiped upper casing 22 disposed above the lower casing 21, and a connection that connects the lower casing 21 and the upper casing 22. And a housing 23. The lower housing 21 accommodates various devices for image formation, and the upper housing 22 accommodates various devices for optically reading a document image. An in-cylinder space surrounded by the lower casing 21, the upper casing 22, and the connecting casing 23 serves as an in-cylinder discharge unit 24 that can store a sheet after image formation.

  The in-cylinder space used as the in-cylinder sheet discharge unit 24 is open to the outside on the front surface and the left side surface of the apparatus main body 2. The user can insert his / her hand through these open portions and take out the sheet after image formation from the in-body sheet discharge unit 24. A bottom surface 241 of the internal space is defined by an upper surface of the lower housing 21.

  An operation panel unit 25 protrudes from the front surface of the upper housing 22. The operation panel unit 25 includes an operation key 251 including a numeric keypad and a start key, an LCD touch panel 252 and the like, and receives input of various operation instructions from the user. The user can input the number of sheets to be printed and the like and input the print density and the like through the operation panel unit 25. On the upper housing 22, a pressing cover 226 (not shown in FIG. 1) for pressing a document from which an image is read is disposed. The presser cover 226 is attached to the upper housing 22 so as to be rotatable at the rear edge thereof.

  The lower casing 21 is equipped with a paper feed cassette 211 that accommodates sheets to be subjected to image forming processing. The paper feed cassette 211 can be pulled out from the front surface of the lower housing 21 (apparatus body 2). The paper feeding cassette 211 is a cassette provided for automatic paper feeding.

  An image forming unit, a fixing unit, a sheet conveyance path, and the like are disposed inside the apparatus main body 2. The image forming unit transfers the toner image onto a predetermined sheet supplied from the paper feeding cassette 211 to form an image. The image forming unit charges the surface of the photosensitive drum carrying the electrostatic latent image and the photosensitive drum. Unit, exposure unit for forming an electrostatic latent image corresponding to a document image on the surface of the photosensitive drum with a laser beam, etc., developing unit for forming a toner image by attaching a developer to the formed electrostatic latent image, and toner image A transfer roller for transferring the toner image to the sheet, a charge removing unit for removing the charge on the surface of the photosensitive drum after the toner image is transferred, and a cleaning blade for removing residual toner on the surface of the photosensitive drum. The fixing unit fixes the toner image transferred on the sheet onto the sheet. The sheet conveyance path conveys the sheet from the sheet feeding cassette 211 in the order of the image forming unit, the fixing unit, and the in-body discharge unit 24. A plurality of roller pairs for conveying the sheet are arranged in the sheet conveyance path.

  The apparatus main body 2 having the above-described configuration has a plurality of exterior covers that configure the appearance of the image forming apparatus 1. Examples of such an exterior cover include a left side cover 26 that configures the appearance of the left side of the image forming apparatus 1, a back cover 27 that configures the exterior of the back side of the image forming apparatus 1, and an additional cover 28.

  The left side cover 26 includes a lower cover 262 that constitutes the appearance of the left side surface of the lower casing 21, and an upper cover 261 that constitutes the appearance of the left side face of the upper casing 22.

  The extension cover 28 constitutes the appearance of the image forming apparatus 1 in a range from a portion of the left side cover 26 near the back cover 27 to a portion of the back cover 27 near the left side cover 26. The expansion cover 28 is attached to the apparatus main body 2 by snap fit, and the user can easily remove and attach the expansion cover 28.

  FIG. 3 is a rear perspective view of the image forming apparatus 1 with the back cover 27 and the extension cover 28 removed. As shown in the figure, when the back cover 27 and the extension cover 28 are removed, a back frame 30 constituting a part of the framework of the apparatus main body 2 appears. The rear frame 30 is a flat plate frame made of sheet metal, and discharges heat generated in the image forming unit, the fixing unit, the roller pair of the sheet conveying path, and the like in the apparatus main body 2 to the outside. For this purpose, a fan 32, a controller box 33, and the like are provided.

  The controller box 33 accommodates a main control board 34 (FIG. 6) for controlling an image forming function for forming a toner image on a sheet. The controller box 33 has a vertically long and flat shape, and includes a flat plate portion 35 extending substantially parallel to the surface of the back frame 30 and four edges of the flat plate portion 35 toward the back frame 30. And a side plate portion extending. The side plate portion includes an upper plate 36 extending from the upper edge portion of the flat plate portion 35, a lower plate 37 extending from the lower edge portion, a left side plate 38 extending from the left edge portion, and a right side plate 39 extending from the right edge. The controller box 33 is fixed to the back frame 30 by fixing the front ends of these side plates 36, 37, 38, 39 to the surface of the back frame 30 with screws or the like. The controller box 33 is an example of a first cover member of the present invention.

  A plurality of discharge holes 40 for discharging heat generated by the main control board 34 accommodated in the controller box 33 to the outside are formed in the flat plate portion 35 of the controller box 33. A fan 41 is attached so as to cover the discharge hole 40. Further, an exhaust hole 43 is provided in a portion corresponding to the fan 41 in the back cover 27. Further, an additional memory cover 42 is provided at a position below the fan 41 in the flat plate portion 35. After the expansion cover 28 is removed from the image forming apparatus 1, the expansion memory cover 42 is removed, so that the expansion memory can be connected to the main control board 34.

  FIG. 4 is an enlarged perspective view of the controller box 33, particularly an enlarged perspective view showing the left side plate 38. FIG. 4 shows a state in which only the expansion cover 28 is removed. The left side plate 38 of the controller box 33 is provided with a plurality of slots for inserting additional boards, in the present embodiment, a first slot 44 and a second slot 45. The first slot 44 and the second slot 45 have the same shape. For example, a facsimile board of a facsimile board assembly is inserted into the first slot 44. The facsimile substrate is a substrate that controls the facsimile function, and is optionally added to the image forming apparatus 1 by the user. The user can utilize the facsimile function by inserting the facsimile board into the first slot 44 and mounting it in the apparatus main body 2 and installing the telephone in the apparatus main body 2. For example, a compact flash (registered trademark) memory is inserted into the second slot 45. A USB port 46 and a LAN port 47 are arranged between the first slot 44 and the second slot 45. The first slot 44 is an example of the first insertion port of the present invention, and the second slot 45 is an example of the second insertion port of the present invention.

  FIG. 5 is a perspective view of the facsimile board assembly 50. The facsimile board assembly 50 includes a facsimile board 51 and a holding member 54. The facsimile substrate 51 includes a first substrate 52 and a second substrate 53. The holding member 54 is a sheet metal member that holds the facsimile substrate 51, and includes a main body portion 55 that has an L shape and an extending piece 56 that is integrally extended from the main body portion 55.

  The main body 55 includes an elongated first flat plate portion 57 that extends substantially parallel to the left side plate 38 of the controller box 33 in a state where the facsimile board 51 is inserted into the first slot 44, and a longitudinal direction of the first flat plate portion 57. And an elongated second flat plate portion 58 which is formed integrally with one edge portion extending in the longitudinal direction and extends in the longitudinal direction of the first flat plate portion 57. The second flat plate portion 58 forms an angle of approximately 90 degrees with respect to the first flat plate portion 57. The first substrate 52 and the second substrate 53 of the facsimile substrate 51 are fixed to the first flat plate portion 57 with screws or the like in a mutually parallel positional relationship.

  The extending piece 56 is a thin plate portion formed integrally with an edge portion of the second flat plate portion 58 opposite to the edge portion on the first flat plate portion 57 side. The extending piece 56 extends from the second flat plate portion 58 in a direction substantially perpendicular to the longitudinal direction of the second flat plate portion 58 and in a position substantially parallel to the first substrate 52 and the second substrate 53. Yes. In FIG. 5, the extending piece 56 extends in a direction substantially perpendicular to the longitudinal direction of the second flat plate portion 58 from a region extending from one longitudinal end of the second flat plate portion 58 to the intermediate portion in the longitudinal direction. The extending piece 56 is an example of the erroneous insertion preventing piece of the present invention.

  The extending piece 56 has a first surface 59 that faces the first substrate 52 substantially in parallel, and a second surface 60 opposite to the first surface 59. The second surface 60 is used as an attachment surface to which the label 61 is attached. The label 61 describes information regarding the facsimile substrate 51. The label 61 is, for example, an authorization label for the shipping country of the image forming apparatus 1 and describes authorization information for the facsimile board 51.

  In the controller box 33, as shown in FIG. 6, the first connector 62 (connection portion) to which the terminal portion of the facsimile board 51 (first board 52 and second board 53) inserted from the first slot 44 is connected. ) Is provided. In the controller box 33, a second connector to which a compact flash memory inserted from the second slot 45 is connected is provided. Since the second connector has the same configuration as the first connector 62, the second connector is not shown. By connecting the terminal portion of the facsimile board 51 to the first connector 62, the facsimile board 51 and the main control board 34 are electrically connected. Moreover, the compact flash memory and the main control board 34 are electrically connected by connecting the terminal portion of the compact flash memory to the second connector.

  As shown in FIG. 4, the first slot 44 into which the facsimile substrate 51 having the above-described configuration is inserted has a first hole portion 63 having a shape into which the first substrate 52 can be inserted, and a shape into which the second substrate 53 can be inserted. And a second hole portion 64 having

  An opening 65 is provided in the vicinity of the first hole portion 63 of the first slot 44. The opening 65 has a shape into which the second flat plate portion 58 and the extended piece 56 of the facsimile board assembly 50 can be inserted. The opening 65 will be described with reference to FIG. 7 in addition to FIG. FIG. 7 is a partially enlarged perspective view of the back cover 27 and shows the vicinity of the left side plate 38 of the controller box 33. The opening 65 is formed in the back cover 27.

  Specifically, the back cover 27 includes a flat plate portion 66 facing the back frame 30 of the apparatus body 2 and a left side plate 67 (hereinafter referred to as a cover side plate) integrally formed on the left edge of the flat plate portion 66. Have. The cover side plate 67 extends adjacent to the left side plate 38 of the controller box 33 and along the left side plate 38. An edge portion 68 of the cover side plate 67 from the left side plate 38 is in contact with an edge portion 69 of the left side plate 38 of the controller box 33 on the cover side plate 67 side. Therefore, a surface 70 (hereinafter referred to as a first side surface) of the left side plate 38 of the controller box 33 and a surface 71 (hereinafter referred to as a second side surface) of the cover side plate 67 of the back cover 27 are in the front-rear direction of the apparatus body 2. Next to each other.

  Since the first slot 44 is provided in the left side plate 38 of the controller box 33, the first side surface 70 is a surface facing the insertion direction in which the facsimile board 51 of the facsimile board assembly 50 is inserted. The second side surface 71 of the back cover 27 is also a surface facing the insertion direction in which the facsimile board 51 is inserted.

  The opening 65 is formed in the second side surface 71. More specifically, the opening 65 is notched between the edge 68 of the cover side plate 67 and the edge 69 of the left side plate 38 by notching a portion near the first slot 44 in the edge 68 of the cover side plate 67. It is a formed space. The dimension along the edge 69 of the opening 65 is set to be slightly larger than the longitudinal dimension of the second flat plate portion 58 of the facsimile board assembly 50.

  The back cover 27 is cut out over a predetermined range from the cover side plate 67 to the flat plate portion 66, and the extension cover 28 has a shape that matches the cut-out portion of the back cover 27. In the space S covered by the expansion cover 28, the expansion memory cover 42 of the controller box 33 described above is positioned, and the accommodating portion 72 is positioned below the expansion memory cover 42. The space S is partitioned by a wall portion 74 that is erected on the back surface 73 of the main body portion 55 of the back cover 27. The accommodating portion 72 is formed integrally with the wall portion 74. The accommodating portion 72 is set in a shape capable of accommodating the extended piece 56 of the facsimile board assembly 50. The back cover 27 is an example of a second cover member of the present invention.

  Further, the extension cover 28 is formed with a window 76 as shown in FIG. The formation position of the window portion 76 is a position corresponding to the accommodating portion 72 in a state where the expansion cover 28 is attached to the apparatus main body 2 (that is, the expansion cover 28 covers the space S). Accordingly, the accommodating portion 72 is always exposed to the outside through the window portion 76.

  FIG. 8 is an enlarged perspective view of the controller box 33, showing a state where the facsimile board 51 is inserted into the first slot 44 and the compact flash memory 75 is inserted into the second slot 45. FIG. 8 shows a state in which only the expansion cover 28 is removed. The facsimile board assembly 50 is mounted on the controller box 33 as follows. That is, first, the extension cover 28 is removed to expose the first slot 44 to the outside (the state shown in FIG. 4). Then, the first substrate 52 of the facsimile substrate 51 is aligned with the first hole portion 63 of the first slot 44, and the second substrate 53 is aligned with the second hole portion 64 of the first slot 44. From this state, the facsimile board 51 is inserted into the first slot 44.

  Since an opening 65 is formed in the vicinity of the first slot 44 in the cover side plate 67 of the back cover 27, the extended piece 56 of the facsimile board assembly 50 can be inserted into the first slot 44 of the facsimile board 51. Accordingly, it is inserted into the opening 65 and protrudes into the space S of the back cover 27. Due to the presence of the opening 65, the extended piece 56 does not collide with the cover side plate 67, that is, the cover side plate 67 does not interfere with the extended piece 56.

  When the facsimile board 51 is further pushed in, the facsimile board 51 is connected to the first connector 62 (FIG. 6) and the extended piece 56 is accommodated in the accommodating portion 72. As a result, as shown in FIG. 8, the facsimile board 51 is properly inserted into the first slot 44, and the facsimile board assembly 50 is properly attached to the controller box 33. When the facsimile substrate 51 is properly inserted into the first slot 44, the second flat plate portion 58 of the holding member 54 is also inserted into the opening 65. The facsimile board assembly 50 is fixed to the left side plate 38 with screws or the like.

  As described above, when the facsimile board 51 is inserted into the first slot 44, the facsimile board assembly 50 is properly mounted in the controller box 33. However, the first slot 44 and the second slot 45 have substantially the same shape. Therefore, there is a possibility that the user erroneously inserts the facsimile board 51 into the second slot 45.

  However, in this embodiment, erroneous insertion of the facsimile board 51 into the second slot 45 is prevented as follows. That is, in the vicinity of the second slot 45 in the cover side plate 67 of the back cover 27, an opening through which the extended piece 56 can be inserted is not formed. Therefore, when the facsimile board 51 is inserted into the second slot 45, The extended piece 56 collides with the cover side plate 67. That is, the cover side plate 67 interferes with the extended piece 56 and blocks the operation of inserting the facsimile board 51 into the second slot 45. As a result, erroneous insertion of the facsimile board 51 into the second slot 45 is prevented. As a result, a user who notices the erroneous insertion of the facsimile board 51 can insert the facsimile board 51 into the first slot 44 properly. As described above, in the present embodiment, the facsimile substrate 51 is prevented from being erroneously inserted with a simple interference structure by the extending piece 56. In the present embodiment, the extending piece 56 and the opening 65 constitute an erroneous insertion preventing portion.

  When the facsimile board assembly 50 is properly mounted on the controller box 33, the extended piece 56 is accommodated in the accommodating portion 72. The window portion 76 formed on the extension cover 28 allows the extension piece 56 to be visually recognized from the outside, so that the label 61 attached to the second surface 60 (attachment surface) of the extension piece 56 is confirmed. can do.

  In the above-described embodiment, the case where the opening 65 is formed by cutting out the edge 68 of the cover side plate 67 of the back cover 27 has been described, but the formation position of the opening 65 is limited to the edge 68 of the cover side plate 67. Not. For example, the opening 65 may be formed in a region between the edge portion 68 and the edge portion 77 opposite to the edge portion 68. Alternatively, the opening 65 may be formed in a region between the edge 69 of the left side plate 38 of the controller box 33 and the first hole portion 63 of the first slot 44. In any case, it is possible to prevent erroneous insertion of the facsimile board 51 with a simple interference structure by the extended piece 56.

1 Image forming equipment (electrical equipment)
2 Device body 27 Rear cover 28 Additional cover 33 Controller box 38 Left side plate 44 First slot (first insertion slot)
45 Second slot (second insertion slot)
50 Facsimile Board Assembly 51 Facsimile Board 55 Holding Member 56 Extension Piece (Incorrect Insertion Prevention Piece)
61 Label 62 1st connector (connection part)
65 Opening 67 Cover side plate 75 Compact flash memory

Claims (7)

An apparatus body having a controlled function;
A board assembly having a control board for controlling the function and a holding member for holding the control board;
A connecting portion provided in the apparatus main body and electrically connected to the control board of the board assembly;
A first insertion port formed in the apparatus body and into which the board assembly is inserted when the control board is connected to the connection portion;
A second insertion port formed in the apparatus body;
When the substrate assembly is inserted into the second insertion port, the substrate assembly interferes with a part of the substrate assembly to prevent the substrate assembly from being erroneously inserted into the second insertion port, while the substrate assembly is An erroneous insertion preventing portion that allows the substrate assembly to be inserted into the first insertion port without interfering with the substrate assembly when inserted into the first insertion port;
Equipped with a,
The erroneous insertion preventing portion is formed on the holding member, and an erroneous insertion preventing piece for preventing the control board from being erroneously inserted into the second insertion port, and at a position near the first insertion port. An opening formed in the apparatus main body, through which the erroneous insertion prevention piece can be inserted,
When the substrate assembly is inserted into the second insertion port, the erroneous insertion prevention piece collides with the apparatus main body, thereby preventing erroneous insertion of the substrate assembly into the second insertion port. When the substrate assembly is inserted into the first insertion port, the erroneous insertion prevention piece is inserted through the opening, and the insertion of the substrate assembly into the first insertion port is allowed.
The apparatus main body has a cover member that covers the connection portion,
The cover member is formed with the first insertion port and the second insertion port, and has a side surface facing an insertion direction in which the substrate assembly is inserted into the first insertion port,
The opening is formed in the side surface of the cover member,
The erroneous insertion preventing piece has a pasting surface for pasting a label on which information about the control board is written, extending from the holding member substantially parallel to the board surface of the control board,
The cover member is opened to face the pasting surface, and an electric device having a window portion that allows the label to be exposed to the outside by exposing the label to the outside in a state where the control board is connected to the connection portion. . An apparatus body having a controlled function;
A board assembly having a control board for controlling the function and a holding member for holding the control board;
A connecting portion provided in the apparatus main body and electrically connected to the control board of the board assembly;
A first insertion port formed in the apparatus body and into which the board assembly is inserted when the control board is connected to the connection portion;
A second insertion port formed in the apparatus body;
When the substrate assembly is inserted into the second insertion port, the substrate assembly interferes with a part of the substrate assembly to prevent the substrate assembly from being erroneously inserted into the second insertion port, while the substrate assembly is An erroneous insertion preventing portion that allows the substrate assembly to be inserted into the first insertion port without interfering with the substrate assembly when inserted into the first insertion port;
With
The erroneous insertion preventing portion is formed on the holding member, and an erroneous insertion preventing piece for preventing the control board from being erroneously inserted into the second insertion port, and at a position near the first insertion port. An opening formed in the apparatus main body, through which the erroneous insertion prevention piece can be inserted,
When the substrate assembly is inserted into the second insertion port, the erroneous insertion prevention piece collides with the apparatus main body, thereby preventing erroneous insertion of the substrate assembly into the second insertion port. When the substrate assembly is inserted into the first insertion port, the erroneous insertion prevention piece is inserted through the opening, and the insertion of the substrate assembly into the first insertion port is allowed .
The apparatus main body has a cover member that covers the connection portion,
The cover member is formed with the first insertion port and the second insertion port, and has a side surface facing an insertion direction in which the substrate assembly is inserted into the first insertion port,
The opening is formed in the side surface of the cover member,
The cover member includes a first cover member that covers the connection portion, and a second cover member that constitutes an exterior,
The first cover member has a first side surface in which the first insertion port and the second insertion port are formed and facing the insertion direction of the substrate assembly,
The second cover member has a second side surface adjacent to the first side surface and facing the insertion direction of the substrate assembly;
The opening is an electrical device formed on the second side surface . The electrical device according to claim 2 ,
The opening is an electrical device formed by cutting out an edge of the second side surface on the first side surface side. In the electric equipment according to claim 2 or 3 ,
The erroneous insertion prevention piece has an affixing surface for affixing a label on which information on the control board is written,
The second cover member is an electric device having a window part that allows the label to be visually recognized from the outside in a state where the control board is connected to the connection part. An image forming apparatus having an apparatus main body for forming a toner image on a sheet, wherein the apparatus main body is the apparatus main body according to any one of claims 1 to 4 . The image forming apparatus according to claim 5 .
The function controlled in the device main body is an optional function that is optionally added to the device main body,
The image forming apparatus, wherein the control board is a control board for controlling the optional function. The image forming apparatus according to claim 6 .
The optional function is a facsimile function,
The image forming apparatus, wherein the control board is a facsimile board for controlling the facsimile function.

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