JP2008245312A - Image reader and image forming apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image reader and image forming apparatus in which deframing setting can be changed for each document image. <P>SOLUTION: On a deframing setting screen displayed on a touch panel display of an operation panel 2, by setting front side deframing corresponding to a first document image and rear side deframing corresponding to a second document image, deframing processing is performed by a deframing section 18 based on the deframing settings, and the first and second document images are read and printed on a paper sheet by a printing section 41. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an image reading apparatus and an image forming apparatus that are applied to an image forming apparatus such as a digital copying machine, a printer, a facsimile machine, and a multifunction machine, and in particular, an image reading apparatus capable of changing frame erasing settings for each original image and The present invention relates to an image forming apparatus.

  Conventionally, in a copying apparatus, when a document is scanned with the document cover open, or when a booklet document is scanned, a black shadow may be formed around the booklet document or at the center binding portion. The copying apparatus implements a function called document frame erasing that deletes unnecessary images such as shadows (see, for example, Patent Document 1).

  FIG. 10 shows an example in which the frame eraser of this Patent Document 1 is applied. (A) shows an example of frame erasing on the upper and lower sides of a sheet when a single-sided original is printed on one side. An image “F” is formed on the front surface 50 a of one document 50, and an image “A” is formed on the back surface 50 b of the document 50. When the original 50 is printed on one side, the upper frame portion 70a and the lower frame portion 70b are provided on the front surface 60a of the first sheet 60A, and the upper frame portion 70a and the lower frame portion 70b are provided on the front surface 60a of the second sheet 60B. A frame portion 70b is formed. The upper frame portion 70a and the lower frame portion 70b are portions on which characters and images are not printed, and the sizes of the frames such as the upper frame portion 70a and the lower frame portion 70b are set separately by the user.

Frames such as the upper frame portion 70a and the lower frame portion 70b are provided in the following portions in addition to the upper and lower sides of the sheet. That is, the left frame portion 70a and the right frame portion 70b (FIG. 10B), the lower frame portion 70b (FIG. 10C), the upper frame portion 70a (FIG. 10D), and the right frame portion 70d (FIG. 10). (E)) and the left frame portion 70c (FIG. 10 (f)). In addition, there is a frame eraser at the center of the booklet document. The size of these frame portions has also been set by the user. As a result, when the document cover is scanned with the document cover opened or when the booklet document is scanned, black shadows generated around the booklet document and around the central binding portion are not printed, so that the printed paper looks better.
Japanese Patent Laid-Open No. 8-125853 (paragraph number (0035), FIG. 4)

  However, according to the conventional image reading apparatus, for example, when reading a double-sided document, the frame erase setting cannot be changed between the front surface 50a of the document 50 and the back surface 50b of the document. However, the back side 50b of the original is read leaving a black shadow around the booklet original and the binding portion at the center, and the front side 60a of the first sheet 60A and the front side 60b of the second sheet 60B are read. There is a risk of printing differently.

  Accordingly, an object of the present invention is to provide an image reading apparatus and an image forming apparatus that can change the frame erase setting for each original image.

  In order to achieve the above object, the present invention reads the first and second document images from the front and back surfaces of the double-sided document, respectively, or the first and second document images from the first and second single-sided documents, respectively. A reading unit for reading; a first frame erase setting unit for performing frame erase setting on the first document image; and a second frame erase setting unit for performing frame erase setting on the second document image. And image output means for outputting a document image subjected to frame erasure processing by applying the frame erasure setting individually set by the first and second frame erasure setting means. Providing equipment.

  In order to achieve the above object, the present invention reads the first and second document images from the front and back surfaces of the double-sided document, respectively, or the first and second document images from the first and second single-sided documents, respectively. A reading unit for reading; a first frame erase setting unit for performing frame erase setting on the first document image; and a second frame erase setting unit for performing frame erase setting on the second document image. When the first and second document images are read by the reading unit, the first frame erased by applying the frame erase setting individually set by the first and second frame erase setting units. And an image reading apparatus comprising: a control unit configured to control the reading unit so as to read a second document image.

  The first and second frame erasure setting means may perform the frame erasure setting for erasing an upper frame, a lower frame, a left frame, or a right frame with respect to the first and second document images.

  The first and second frame erasure setting means may include a frame erasure amount setting means for setting a frame erasure amount of the upper frame, the lower frame, the left frame, or the right frame that is set for the frame erasure. Good.

  The first and second frame erasure setting means perform the first frame erasure setting for the second document image after performing the first frame erasure setting for the first document image. You may provide the same setting means to set that it is the same.

  The first and second frame erase setting units include a document opening selection unit that selects whether the double-sided document is opened left and right or up and down when the document read by the reading unit is the double-sided document, The control means applies the left frame erase setting to the first original image as the right frame erase setting of the second original image when the left and right open is selected by the original opening selection means. When the right frame erase setting set for the first document image is applied as the left frame erase setting of the second document image, and the vertical opening is selected by the document opening selection determining means, The upper frame erase setting set for the first document image is applied as the lower frame erase setting of the second document image, and the lower frame erase setting set for the first document image is applied to the first document image. Second manuscript It may control the reading means to read the first and second original images frame deletion applied as above Erase setting image.

  The first and second frame erase setting units print the image on the front side and the image on the back side of the paper in a positional relationship of binding in the left-right direction when printing on both sides of the paper, or in a positional relationship of binding in the vertical direction. A sheet binding direction selecting unit for designating whether to print, and when the left and right binding is selected by the sheet binding direction selecting unit, the control unit erases the left frame set for the first document image. Apply the setting as the right frame erase setting for all original images printed on the back side of the paper, and the right frame erase setting set for the first original image for all originals printed on the back side of the paper When applied as the left frame erase setting of the image and the top and bottom binding is selected by the paper binding direction selection means, the upper frame erase setting set for the first document image is printed on the back side of the paper. All manuscripts The image is applied as the lower frame erasing setting of the image, and the lower frame erasing setting set for the first original image is applied as the upper erasing setting of all the original images printed on the back side of the paper. The reading unit may be controlled so as to read the first and second original images.

  In order to achieve the above object, the present invention provides detection means for detecting whether a document is set on a platen or an automatic paper feeder, and the front and back surfaces of a double-sided document or first and second single-sided documents. Reading means for reading each of the first and second document images, first frame erase setting means for performing frame erase settings for the first document image, and frame erase settings for the second document image A second frame erase setting unit for performing the first and second detections, and when the detection unit detects that the document has been set on the platen, the reading unit reads the first and second document images. Controlling the reading means to read the first and second document images erased by applying the frame erase settings individually set by the first and second frame erase setting means, and detecting the detection When it is detected that the original has been set on the automatic paper feeder by the stage, the frame eraser set for the first original image is applied to the first and second original images. An image reading apparatus is provided, comprising control means for controlling the reading means.

  In order to achieve the above object, the present invention provides reading means for reading first and second original images from the front and back sides of a double-sided original or first and second single-sided originals, and the first original image. The first frame erase setting unit for performing frame erase setting on the second document, the second frame erase setting unit for performing frame erase setting on the second original image, and the first odd-numbered page by the reading unit. When reading the original document image, the frame erase setting set for the first document image by the first frame erase setting unit is applied, and the second document image of even pages is read. The reading means reads the first and second document images erased by applying the frame erase setting set for the second document image by the second frame erase setting means. Control means for controlling To provide an image reading apparatus, characterized in that.

  In order to achieve the above object, the present invention provides detection means for detecting whether a document is set on a platen or an automatic paper feeder, and the front and back surfaces of a double-sided document or first and second single-sided documents. Reading means for reading each of the first and second document images, first frame erase setting means for performing frame erase settings for the first document image, and frame erase settings for the second document image And when the detection unit detects that the original is set on the platen, the reading unit reads the first original image on the odd page. When the frame erase setting set for the first document image by the first frame erase setting unit is applied and the second document image on the even page is read, the second frame erase setting unit is used. By The reading unit is controlled to read the first and second document images that have been erased by applying the frame erasure setting that has been set for the second document image, and the document is detected by the detection unit. When it is detected that the paper is set in the automatic paper feeder, the reading unit applies the frame erasure set for the first original image to the first and second original images. And an image reading apparatus characterized by comprising control means for controlling the image.

  In order to achieve the above object, the present invention reads the first and second document images from the front and back surfaces of the double-sided document, or reads the first and second document images from the first and second single-sided documents, respectively. A reading unit; a first frame erase setting unit that performs a frame erase setting on the first document image; a second frame erase setting unit that performs a frame erase setting on the second document image; An output unit that outputs a document image subjected to frame erasing processing by applying the frame erasure setting individually set by the first and second frame erasure setting units; and an original image output by the output unit. Provided is an image forming apparatus comprising a printing unit for printing out.

  According to the present invention, the frame erasure setting can be individually made for a plurality of document images, and the frame erasure setting can be changed for each document image.

  FIG. 1 is a block diagram of a digital copying machine to which an image reading apparatus and an image forming apparatus according to an embodiment of the present invention are applied. This digital copying machine includes a controller 1 that controls the entire digital copying machine, an operation panel 2 that allows various inputs such as setting of Nup (synonymous with Nin1) by a user's operation, and an image read from a document. And an image output unit 4 that prints and outputs an image on paper.

  The operation panel 2 includes a touch panel display in addition to a plurality of buttons such as a start button for instructing start of document reading and a stop button for stopping copying and communication work. The touch panel display includes a display unit such as a liquid crystal display and an input unit that is superposed on the display unit. The input unit can perform an input operation by pressing a portion of the input unit corresponding to the display position of each item displayed on the display unit.

  The image input unit 3 includes an original table on which originals are placed one by one, an ADF (automatic paper feeder) that automatically supplies original bundles one by one to the original table, and a charge coupled device (CCD). And an image reading unit that optically reads an image of a document one by one at a specified reading magnification by a solid-state imaging device.

  The image output unit 4 includes a paper supply unit 40 that supplies paper to the printing position, a printing unit 41 that prints an image on the paper supplied to the printing position, and a paper reversing unit 42 that reverses the paper when performing duplex printing. A paper discharge unit 44 that discharges the printed paper and an output control unit 45 that controls each unit of the image output unit 4 and transmits / receives information to / from the controller 1.

  The controller 1 includes an operation panel I / F 10, an image input unit I / F 11, and an image output unit I / F 12 that transmit and receive information to and from the operation panel 2, the image input unit 3, and the image output unit 4. A page memory 13 that stores data in units of pages, a system memory 14 that stores data such as programs and images, an HDD 15 that stores compressed images, and each unit of the controller 1 based on programs stored in the system memory 14 A main CPU 16 that controls the entire digital copying machine, an image processing unit 17 that performs image processing such as compression, expansion, and composition of image data, and a frame set by operating the touch panel display of the operation panel 2 A frame eraser 18 that sends frame erase information of the original image to the image reading unit of the image input unit 3 according to the erase amount. Equipped with a.

  FIG. 2 shows a frame erase setting screen of the touch panel display of the digital copying machine. The frame erasure setting screen 20 includes a front-side frame erasure amount display unit 21a, 21b, 21c, and 21d for displaying a frame erasure amount input with the numeric keypad on the front side of the double-sided document or the first single-sided document. The back side frame erase amount display portions 22a, 22b, 22c, and 22d for displaying the frame erase amount input by the numeric keypad for the back side or the second single-sided document, and the back side frame erase amount is the front side frame erase amount. The same setting key 23a for setting the same amount and the symmetry setting key 23b for setting an amount in which the frame erase amount on the back surface is symmetrical to the frame erase amount on the front surface.

  The same setting key 23a is used to set the frame erase setting for the front side of the double-sided document or the first single-sided document and the frame erase setting for the back side of the double-sided document or the second single-sided document. Even if each setting value is not input for the frame erase setting for the back side or the second single-sided document, a value that is the same as the frame erase setting for the front side of the double-sided document or the first single-sided document is set. It is input automatically.

  The symmetry setting key 23b automatically sets a value such that the frame erase amount of the back side of the double-sided document or the second single-sided document is symmetric with the front side of the double-sided document or the frame erase amount of the first single-sided document. Input. For example, the frame erase setting for the front side of a double-sided document or the left frame of the first single-sided document is set so that the back side of the double-sided document or the right-side frame of the second single-sided document is set when the document opening means is open left and right. It is set to erase. The frame erase setting for the front side of the double-sided document or the top frame of the first single-sided document is set to the frame erase setting for the back side of the double-sided document or the top frame of the second single-sided document. Further, when the document opening means is opened up and down, for example, the frame erase setting of the front side of the double-sided document or the upper frame of the first single-sided document is set to the back side of the double-sided document or the lower frame of the second single-sided document. It is assumed that the frame is erased. The frame erase setting for the front side of the double-sided document or the left frame of the first single-sided document is set to the frame erase setting for the back side of the double-sided document or the left frame of the second single-sided document.

  From the top, the front-side frame erase amount display portions 21a, 21b, 21c, and 21d have a frame erase amount on the upper surface of the double-sided document, a frame erase amount on the lower side of the document, a frame erase amount on the left side of the document, Each frame erase amount on the right side of the document is displayed. Similarly, the back side frame erase amount display portions 22a, 22b, 22c, and 22d are arranged so that the top side of the back side of the double-sided document, the bottom side of the same document, the bottom side of the same document, and the left side of the document. Amount and the frame erase amount on the right side of the document are displayed.

  The operation of the digital copying machine of the present embodiment will be described below with reference to FIGS.

FIGS. 3 and 4 show a case where a double-sided original is printed on one side of a sheet as first to fifth output examples by the digital copying machine according to the present embodiment. First, the first output example shown in FIG.
(1) Setting a document First, the user sets the document 5 on which images are formed on both sides, on the ADF.

(2) Selection of Print Mode When the user turns on the main switch, the main CPU 16 of the controller 1 displays a menu selection screen on the touch panel display of the operation panel 2. The user selects a print mode for performing single-sided printing from double-sided printing from the menu selection screen.

(3) Frame Erasing Setting After selecting the print mode, the user selects the frame erasing setting. When the frame erase setting is selected, the main CPU displays a frame erase setting screen 20 as shown in FIG. 2 on the touch panel display. When the user inputs the frame erase amount on the left side of the front surface 5a of the document 5 in units of mm using the numeric keypad, the main CPU 16 displays the left frame erase amount on the frame erase amount display portion 21c.

  Next, when the user inputs the upper frame erasure amount on the back surface 5b of the document 5 in units of mm using the numeric keypad, the main CPU 16 displays the upper frame erasure amount on the frame erasure amount display portion 22a.

  Next, when printing on both sides of the paper, the user opens the document as to whether to print the image on the front side and the image on the back side with the positional relationship of binding in the left-right direction or the positional relationship of binding in the vertical direction. specify.

(4) Printing Next, when the user presses the start button on the operation panel 2, the ADF supplies the originals 5 one by one to the original table. The image reading unit sequentially reads the document images “F” and “A” from the document 5 supplied from the ADF. The original images “F” and “A” are read by erasing the frame according to the erasing information from the frame erasing unit 18. The read original images “F” and “A” are sent to the controller 1 via the image input unit I / F 11, and the original images “F” and “A” are temporarily stored in the page memory 13. After being compressed by the image processing unit 17 and transferred to the system memory 14, it is stored in the HDD 15. Thereafter, the original images “F” and “A” subjected to the frame erasure processing from the HDD 15 are sent to the image processing unit 17, decompressed by the image processing unit 17, and sent to the output control unit 45 via the image output unit I / F 12. Supplied.

  Next, printing is performed as follows according to the printing conditions set by communication with the main CPU 16 of the controller 1. Upon receiving the supply of the paper 6A from the paper supply unit 40, the printing unit 41 transfers the original image “F” on the front surface 5a of the original 5 to the front surface 6a of the first paper 6A as shown in FIG. Print. When the output control unit 45 detects the end of printing, the paper discharge unit 44 discharges the paper 6A, and the paper supply unit 40 supplies new paper 6B. The printing unit 41 prints the document image “A” on the back surface 5b of the document 5 on the front surface 6a of the second sheet 6B.

  At this time, since the frame erasure setting is performed, for example, a left frame portion 7c is formed on the left side of the front surface 6a of the first sheet 6A where the image is not printed and the frame is erased. Similarly, an upper frame portion 7a is formed on the upper surface 6a of the second sheet 6B so that the frame is erased without printing an image. Similarly, a lower frame portion and a right frame portion, which will be described later, are regions in which a frame is erased without printing an image.

  FIG. 3B shows a case in which the frame erase amount of the front surface 6a of the first sheet 6A and the front surface 6a of the second sheet 6B is the same as a second output example. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount of the front surface 5a of the document 5 (here, the left and upper frame erase amounts), the same setting key 23a is pressed, and the front surface 5a and back surface are pressed. The frame erase amount of 5b is set to be the same. Original images “A” and “F” are printed on the surface 6a of the first sheet 6A and the surface 6a of the second sheet 6B in the same manner as in FIG. 3A. A frame portion 7c and an upper frame portion 7a are formed.

  FIG. 3C shows a case where the amount of frame erase between the surface 6a of the first sheet 6A and the surface 6a of the second sheet 6B is point-symmetric as a third output example. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left and upper frame erase amounts) of the document surface 5a, the user presses the symmetry setting key 23b to set the front surface 5a and the back surface 5b. Set the frame erase amount to be point-symmetric. Here, the symmetrical setting has vertical line symmetry, horizontal line symmetry, and point symmetry, but is set in advance according to the print mode or the frame erase setting such as left / right open or top / bottom open. To do. A document image “F” is printed on the front surface 6a of the first sheet 6A, and a left frame portion 7c and an upper frame portion 7a are formed on the left and upper sides thereof. A document image “A” is printed on the front surface 6a of the second sheet 6B, and a right frame portion 7d and a lower frame portion 7b are formed on the right and lower sides thereof.

  FIG. 4A shows, as a fourth output example, a case where the amount of frame erase between the front surface 6a of the first sheet 6A and the front surface 6a of the second sheet 6B is vertically axisymmetric. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount of the front surface 5a of the document 5 (here, the left and upper frame erase amounts), the symmetry setting key 23b is pressed, and the front surface 5a and back surface are pressed. The frame erase amount 5b (here, the left and upper frame erase amounts) is set to be vertically symmetric. A document image “F” is printed on the front surface 6a of the first sheet 6A, and a left frame portion 7c and an upper frame portion 7a are formed on the left and upper sides thereof. A document image “A” is printed on the front surface 6a of the second sheet 6B, and a right frame portion 7d and an upper frame portion 7a are formed on the right and upper sides thereof.

  FIG. 4B shows, as a fifth output example, a case where the amount of frame erase between the front surface 6a of the first sheet 6A and the front surface 6a of the second sheet 6B is a horizontal line symmetry. In FIGS. 3A to 3C and FIG. 4A, the document 5 is left and right open, but FIG. 4B is set to open up and down. Therefore, the image “A” on the back surface 5 b of the document 5 is upside down with the image “F” on the front surface 5 a of the document 5. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount of the front surface 5a of the document 5 (here, the left and upper frame erase amounts), the symmetry setting key 23b is pressed, and the front surface 5a and back surface are pressed. The frame erasing amount 5b (here, the right and upper frame erasing amounts) is set to be horizontal line symmetry. A document image “F” is printed on the front surface 6a of the first sheet 6A, and a left frame portion 7c and an upper frame portion 7a are formed on the left and upper sides thereof. The original image “A” is printed upside down on the front surface 6a of the second sheet 6B. On the right and upper sides, a right frame portion 7d and an upper frame portion 7a are formed.

  FIGS. 5 and 6 show a case where two single-sided originals are printed on one sheet on both sides as sixth to eleventh output examples by the digital copying machine according to the present embodiment.

  FIG. 5A shows a sixth output example in which the frame erase amount of the surface 6a of the first sheet 6A and the surface 6a of the second sheet 6B are the same. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the front surface 5a of the first document 5A, the same setting key 23a is pressed to The frame erase amount of the surface 5a of the original 5A of the eye and the surface 5a of the second original 5B is set to be the same. A document image “F” is printed on the front surface 6 a of the paper 6, and a left frame portion 7 c is formed on the left side thereof. A document image “A” is printed on the back surface 6 b of the paper 6, and a left frame portion 7 c is formed on the left side thereof.

  FIG. 5B shows a case where the frame erase amount between the front surface 6a of the first sheet 6A and the front surface 6a of the second sheet 6B is vertically axisymmetric as a seventh output example. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the front surface 5a of the first document 5A, the user presses the symmetry setting key 23b to The frame erase amount between the front surface 5a of the original document 5A and the front surface 5a of the second original document 5B is set so as to be vertically symmetrical. A document image “F” is printed on the front surface 6 a of the paper 6, and a left frame portion 7 c is formed on the left side thereof. A document image “A” is printed on the back surface 6 b of the paper 6, and a right frame portion 7 d is formed on the right side thereof.

  FIG. 6A shows a case where the frame erase amount of the front surface 6a and the back surface 6b of the paper 6 is the same as an eighth output example. In the frame erase amount setting screen 20 in FIG. 2, after the user inputs the frame erase amount (here, the left and upper frame erase amounts) of the front surface 5a of the first document 5A, the user presses the same setting key 23a. The frame erase amount of the surface 5a of the first document 5A and the surface 5a of the second document 5B is set to be the same. A document image “F” is printed on the front surface 6 a of the paper 6, and a left frame portion 7 c and an upper frame portion 7 a are formed on the left side and the upper side thereof. A document image “A” is printed on the back surface 6 b of the paper 6, and a left frame portion 7 c and an upper frame portion 7 a are formed on the left and upper sides thereof.

  FIG. 6B shows, as a ninth output example, a case where the frame erase amounts of the front surface 6a and the back surface 6b of the paper 6 are vertically axisymmetric. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left and upper frame erase amounts) of the front surface 5a of the first document 5A, the user presses the symmetry setting key 23b, The frame erase amount between the front surface 5a of the first original 5A and the front surface 5a of the second original 5B is set to be vertical line symmetry. A document image “F” is printed on the front surface 6 a of the paper 6, and a left frame portion 7 c is formed on the left side and an upper frame portion 7 a is formed on the upper side. A document image “A” is printed on the back surface 6 b of the paper 6, and a right frame portion 7 d and an upper frame portion 7 a are formed on the right side thereof.

  FIG. 6C shows a tenth output example where the front surface 6a and the back surface 6b of the paper 6 have the same frame erase amount. 5A, 5B, and 6A, 6B, the sheet 6 is opened left and right, while FIG. 6C is a sheet 6 set up and down. In the frame erase amount setting screen 20 in FIG. 2, after the user inputs the frame erase amount (here, the left and upper frame erase amounts) of the front surface 5a of the first document 5A, the user presses the same setting key 23a. The frame erase amount of the surface 5a of the first document 5A and the surface 5a of the second document 5B is set to be the same. An original image “F” is printed on the front surface 6 a of the paper 6, a left frame portion 7 c and an upper frame portion 7 a are formed on the left and upper sides thereof, and an original image “A” is printed on the back surface 6 b of the paper 6. Thus, the left frame portion 7c and the upper frame portion 7a are formed.

  FIG. 6D shows a case where the amount of frame erase between the front surface 6a and the back surface 6b of the paper 6 is a horizontal line symmetry as an eleventh output example. Similar to the tenth output example, the paper 6 is set to open up and down. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left and upper frame erase amounts) of the front surface 5a of the first document 5A, the user presses the symmetry setting key 23b, The frame erase amount between the front surface 5a of the first original 5A and the front surface 5a of the second original 5B is set so as to be laterally symmetrical. An original image “F” is printed on the front surface 6 a of the paper 6, and a left frame portion 7 c and an upper frame portion 7 a are formed on the left and upper sides thereof, and an original image “A” is formed on the back surface 6 b of the paper 6. The left frame portion 7c and the lower frame portion 7b are formed on the left side and the lower side.

  FIG. 7 shows, as a twelfth output example, two-up (2 in 1) printing of two original images on one sheet of paper, the front surface 6a of the first sheet 6A and the second sheet 6B. The case where the amount of frame erase on the surface 6a is the same is shown. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the document surface 5a, the user presses the same setting key 23a and the front surface of the first document 5A. The frame erase amount of the front surface 5a of 5a and the second original 5B is set to be the same. In FIG. 7, since the originals are four sheets 5A, 5B, 5C, and 5D, the first original 5A and the second original 5B are placed on the surface 6a of the first paper 6A and the third original. 5C and the fourth original 5D are respectively printed on the front surface 6a of the second paper 6B. A left frame portion 7c is formed on the left side of the front surface 6a of the first sheet 6A and the left side of the second sheet 6B.

  FIG. 8 shows two-up (2-in-1) double-sided printing as thirteenth to fifteenth output examples by the digital copying machine according to the present embodiment. FIG. 8A shows a case where the frame erase amount of the front surface 6a and the back surface 6b of the paper 6 is the same as a thirteenth output example. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the front surface 5a of the document 5A, the user presses the same setting key 23a to press the first document 5A. The frame erase amount of the front surface 5a and the front surface 5a of the second original 5B is set to be the same. A first document image and a second document image are printed on the front surface 6a of the paper 6, and a left frame portion 7c is formed on the left side thereof. Similarly, the third document image and the fourth document image are printed on the back surface 6b of the paper 6, and the left frame portion 7c is formed on the left side thereof.

  FIG. 8B shows, as a fourteenth output example, a case where the frame erase amounts of the front surface 6a and the back surface 6b of the paper 6 are vertically axisymmetric. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the front surface 5a of the first document 5A, the user presses the symmetry setting key 23b to select one sheet. The frame erase amounts of the surface 5a of the original 5A of the eye and the surface 5a of the second original 5B are set so as to be vertically symmetrical. A first document image and a second document image are printed on the front surface 6a of the paper 6, and a left frame portion 7c is formed on the left side thereof. A third original image and a fourth original image are printed on the back surface 6b of the paper 6, and a right frame portion 7d is formed on the right side thereof.

  FIG. 8C shows, as a fifteenth output example, a case where the amount of frame erase between the front surface 6a of the paper 6 and the front surface 6a of the second paper 6B is a horizontal line symmetry. The paper 6 is set to open up and down. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the front surface 5a of the first document 5A, the user presses the symmetry setting key 23b to select one sheet. The frame erase amounts of the surface 5a of the original 5A of the eye and the surface 5a of the second original 5B are set so as to be laterally symmetrical. A first document image and a second document image are printed on the front surface 6a of the paper 6, and a left frame portion 7c is formed on the left side thereof. A third document image and a fourth document image are printed on the back surface 6b of the paper 6, and a left frame portion 7c is formed on the left side thereof.

  FIG. 9 shows a case of four-sided single-sided printing as sixteenth and seventeenth output examples by the digital copying machine according to the present embodiment. Here, the first original 5A and the second original 5B are printed side by side on the upper side of the paper 6, and the third original 5C and the fourth original 5D are left and right on the lower side of the paper 6. Are printed side by side.

  FIG. 9A shows, as a sixteenth output example, a case where the frame erase amount of the front surface 6a of the paper 6 is the same for the odd-numbered document and the even-numbered document. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the front surface 5a of the first document 5A, the same setting key 23a is pressed to The frame erase amount of the surface 5a of the original 5A of the eye and the surface 5a of the second original 5B is set to be the same. Here, the odd-numbered original document has the same frame erase setting as the first original document, and the even-numbered original document has the same frame erase setting as the second original document. On the front surface 6a of the paper 6, the first and second original images are printed on the upper side, and left frame portions 7c and 7c are formed on the left side of the paper 6 without being printed. In the lower part of the front surface 6a, the third and fourth original images are printed, and the left frame portion 7c is formed on the left side of each.

  FIG. 9B shows, as a seventeenth output example, a case where the frame erase amount of the front surface 6a of the paper 6 is line symmetric between the odd-numbered document and the even-numbered document. In the frame erase amount setting screen 20 of FIG. 2, after the user inputs the frame erase amount (here, the left frame erase amount) of the front surface 5a of the first document 5A, the user presses the symmetry setting key 23b to The amount of frame erasure between the front surface 5a of the original document 5A and the front surface 5a of the second original document 5B is set to be horizontal line symmetry. Here, the odd-numbered original document has the same frame erase setting as the first original document, and the even-numbered original document has the same frame erase setting as the second original document. On the front surface 6a of the paper 6, the first and second original images are printed on the upper side thereof, the left frame portion 7c is erased without being printed on the left side thereof, and the frame is erased without being printed on the right side. The right frame portion 7d thus formed is formed. On the lower stage of the front surface 6a of the paper 6, the third and fourth original images are printed, and a left frame portion 7c and a right frame portion 5d are formed on the left and right sides thereof.

According to the embodiment of the present invention, by changing the frame erasing portion and the frame erasing amount between the front surface 5a and the back surface 5b of the original 5, the dirt and shadows of the original on the output paper 6A and 6B are removed. Therefore, each side during single-sided printing can be printed with good appearance.
Further, by changing the frame erasing portion and the frame erasing amount between the front surface 5a of the first document 5A and the front surface 5a of the second document 5B, the document is applied to the front surface 6a and the back surface 6b of the output paper 6. Since dirt, shadows, and the like can be removed, each side of double-sided printing can be printed with good appearance.
Further, by pressing the same setting key 23a or the symmetry setting key 23b, the frame erase amount of the front surface 5a can be set to be the same or symmetrical without inputting the frame erase amount of the back surface 5b. Can be saved.
Furthermore, since a common frame erase setting screen is used for the print mode, the user's operation is simplified. In this case, the meanings of the display units 21a to 21d, 22a to 22d, and the setting keys 23a and 23b may differ depending on the print mode, but the meanings may be displayed as messages.

In the above embodiment, the case where the image forming apparatus of the present invention is applied to a digital copying machine has been described. However, the image forming apparatus may be applied to other apparatuses such as a printer, a facsimile machine, and a multifunction machine.
The frame eraser may be set at the center binding portion of the booklet document in addition to the upper frame, the lower frame, the left frame, or the right frame. By doing so, it is possible to remove the black shadow generated at the center binding portion of the booklet document, and it is possible to improve the print quality.
In the above embodiment, the original is automatically supplied by the ADF. However, the original may be placed on the platen one by one to read the image.
A plurality of personal computers (PCs) may be connected to a common image forming apparatus via a network, and printing conditions, print instructions, and image transfer may be performed from the PC to the image forming apparatus. Thereby, efficient copy can be performed by remote operation.
Although the document opening direction is as described above, the present invention can be similarly applied to the sheet binding direction.
In addition, a sensor for detecting whether the document is set on the platen or the ADF is provided, and the frame erase set for the first document image is applied to other document images according to the detection result of the sensor. Also good.
Further, after the front side of the document is read, the frame erased area of the document image may be erased.

1 is a block diagram of a digital copying machine to which an image reading apparatus according to an embodiment of the present invention is applied. It is a figure which shows the frame erasure | elimination setting screen of the touchscreen display of the digital copying machine concerning this Embodiment. 2A and 2B are diagrams showing examples of output by the digital copying machine according to the present embodiment, in which FIG. 1A is a diagram showing a first output example, FIG. 2B is a diagram showing a second output example, and FIG. It is a figure which shows the example of an output. FIG. 8 is a diagram illustrating an output example by the digital copying machine according to the present embodiment, where (a) is a diagram illustrating a fourth output example, and (e) is a diagram illustrating a fifth output example. FIG. 10 is a diagram illustrating an output example by the digital copying machine according to the present embodiment, where (a) is a diagram illustrating a sixth output example, and (b) is a diagram illustrating a seventh output example. FIGS. 9A and 9B are diagrams showing an output example by the digital copying machine according to the present embodiment, FIG. 9A is a diagram showing an eighth output example, FIG. 9B is a diagram showing a ninth output example, and FIG. The figure which shows the example of an output, (b) is a figure which shows the 11th example of an output. It is a figure which shows the 12th example output by the digital copying machine based on this Embodiment. FIGS. 14A and 14B are diagrams showing examples of output from the digital copying machine according to the present embodiment, in which FIG. 15A shows a thirteenth output example, FIG. 14B shows a fourteenth output example, and FIG. It is a figure which shows the example of an output. It is a figure which shows the example of an output by the digital copying machine concerning this Embodiment, (a) is a figure which shows the 16th output example, (b) is a figure which shows the 17th output example. (A)-(f) is a figure which shows the example of an output which applied the frame deletion by the conventional copying apparatus.

Explanation of symbols

1 controller, 2 operation panel, 3 image input unit, 4 image output unit, 5 original, 5A to 5D original, 5a front surface, 5b back surface, 6, 6A, 6B paper, 6a front surface, 6b back surface, 7a upper frame portion, 7b Lower frame, 7c Left frame, 7b Right frame, 10 Operation panel I / F, 11 Image input unit I / F, 12 Image output unit I / F, 13 Page memory, 14 System memory, 15 HDD, 16 Main CPU, 17 image processing unit, 18 frame erasing unit, 20 frame erasing setting screen, 21a to 21d front side frame erasing amount display unit, 22a to 22d back side frame erasing amount display unit, 23a same setting key, 23b symmetry setting key, 40 paper supply unit, 41 printing unit, 42 paper reversing unit, 44 paper discharge unit, 45 output control unit, 50 document,
50a front surface, 50b back surface, 60A, 60B paper, 60a front surface, 60b back surface, 70a upper frame portion, 70b lower frame portion, 70c left frame portion, 70d right frame portion

Claims (6)

Reading means for reading the first and second document images from the front and back surfaces of the double-sided document or reading the first and second document images from the first and second single-sided documents, respectively;
First frame erase setting means for performing frame erase setting on the first document image;
Second frame erasure setting means for setting frame erasure on the second document image;
An image reading apparatus comprising: output means for outputting a document image subjected to frame erasure processing by applying the frame erasure setting individually set by the first and second frame erasure setting means. . Reading means for reading the first and second document images from the front and back surfaces of the double-sided document or reading the first and second document images from the first and second single-sided documents, respectively;
First frame erase setting means for performing frame erase setting on the first document image;
Second frame erasure setting means for setting frame erasure on the second document image;
When the first and second original images are read by the reading unit, the first and second frames erased by applying the frame erase setting individually set by the first and second frame erase setting units. An image reading apparatus comprising: control means for controlling the reading means so as to read a second original image.   The first and second frame erasure setting means perform the frame erasure setting for erasing an upper frame, a lower frame, a left frame, or a right frame with respect to the first and second document images. Item 3. The image reading apparatus according to Item 1 or 2.   The first and second frame erase setting means comprise frame erase amount setting means for setting a frame erase amount of the upper frame, the lower frame, the left frame or the right frame to be erased. The image reading apparatus according to claim 3.   The first and second frame erasure setting means perform the first frame erasure setting for the second document image after performing the first frame erasure setting for the first document image. The image reading apparatus according to claim 1, further comprising an identical setting unit that sets the same. Reading means for reading the first and second document images from the front and back surfaces of the double-sided document or reading the first and second document images from the first and second single-sided documents, respectively;
First frame erase setting means for performing frame erase setting on the first document image;
Second frame erasure setting means for setting frame erasure on the second document image;
Output means for outputting a document image subjected to frame erasure processing by applying the frame erasure setting individually set by the first and second frame erasure setting means;
An image forming apparatus comprising: a printing unit that prints out a document image output by the output unit.

Images