JPH11191051A - Image forming device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily improve the finish quality of a recording form by automatically reducing or enlarging a document according to the ruled-line pitch of the recording form where ruled lines are previously printed. SOLUTION: This image forming device is provided with a camera means 340 which is put in focus on a recording fan 341 on a copying machine or printer and a recognizing means which recognizes the ruled lines on the recording form 241 placed on a paper feed tray 339. The paper feed tray 339 is equipped with a means which has reference lines drawn and compares them with the ruled lines on the form to detect the ruled-line pitch on the form.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus capable of automatically reducing or enlarging characters and pitches using a CCD camera or the like, and copying or printing data by matching data to ruled lines or the like that have already been printed.

[0002]

2. Description of the Related Art The prior art is disclosed in
There is a technique disclosed in Japanese Patent No. 2272. FIGS. 7 and 8 show the configuration of a recording apparatus disclosed in Japanese Patent Application Laid-Open No. 63-262272. This recording paper 5 is composed of a conveying means 1, a reading means 2, a printing means 3, and a control means 4. It is configured.

[0003] A user feeds a sheet 5 on which ruled lines, figures, and the like are already printed, to a sheet feeding unit 8 and operates an operation button (not shown).
When is pressed, the paper 5 is conveyed from the paper feed unit 8 to the reading unit 2 by the platen roll 9 under the control of the control unit 16. Then, the reading means 2 reads the image information of the paper 5 and stores the image information in the storage unit 19 of the personal computer 6. Then, as preparation for recording,
When the trailing end of the sheet 5 is conveyed to the reading position of the reading means 2, the sheet 5 is conveyed in the reverse direction. When the leading end of the sheet 5 is conveyed to the print head of the printer 3a, the reverse conveying operation stops. .

Next, the control unit 22 of the personal computer 6
The image information stored in the storage unit 19 is displayed on a screen of the CRT 20a of the display unit 20. At this time, the control unit 22 of the personal computer 6 performs an automatic recognition operation and selects an appropriate character size, character interval, and line interval corresponding to the ruled line.

The user looks at the image information of the paper 5 displayed on the screen of the CRT 20a while watching the input section 21 of the personal computer 6.
, Desired image information is input. The input image information is reduced and enlarged so as to fit within the ruled line of the paper 5 displayed on the CRT 20a screen and displayed.

As described above, when all the image information is input to the storage unit 19, when the operation button (not shown) is pressed, the printing unit 3 is operated by the control unit 16 and all the input image information is stored in the paper 5. Printed at the desired position, and the platen roll 9
Is discharged from the

As described above, when the operation button (not shown) of the printer 3a is pressed, the other sheets 5 fed to the sheet feeding unit 8 have exactly the same contents in the predetermined position of the sheet 5. Can be printed on

[0008]

The recording apparatus described above has the following problems. First, the user must prepare a recording device, a personal computer, and a monitor screen.
Advance preparation is troublesome, and it requires a large space, so it does not correspond to space saving.

Second, it is considered to be effective when inputting and printing along a ruled line on a recording sheet on which a ruled line is printed in advance, but it is possible to print a character original on a recording sheet on which a ruled line is printed in advance. In this case, it is necessary for the user to adjust the leading edge of the recording paper, measure the pitch of the text document and the ruled line pitch, and set the magnification of the printer.
It was very complicated.

Third, when the ruled line is displaced due to the oblique feeding that occurs during the conveyance of the recording paper, or when the ruled line is drawn obliquely with respect to the recording paper, the deviated ruled line is appropriately controlled. No means for printing.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and it is possible to easily reduce or enlarge a document in accordance with a ruled line pitch of a recording paper on which ruled lines are printed in advance, thereby easily achieving a finished quality of the recording paper. It is an object of the present invention to provide an image forming apparatus that improves the image quality.

[0012]

An image forming apparatus according to claim 1, wherein said camera means focuses on recording paper on a paper feed tray of a copying machine or a printer, and said recording paper placed on a paper feed tray. The image forming apparatus includes a recognition unit that recognizes a ruled line of a sheet.

In the image forming apparatus according to the present invention, a reference line is drawn on the sheet feeding tray, and the reference line is compared with a ruled line on the sheet.
It is provided with means for detecting the pitch of ruled lines on the paper.

According to a third aspect of the present invention, based on the comparison means, the text line feed pitch of the image information to be recorded on the sheet is reduced, enlarged, and recorded according to the ruled line pitch of the sheet.

According to a fourth aspect of the present invention, the image forming apparatus reduces, enlarges, and records a character based on the comparison means so as to have an appropriate size between the ruled line pitches of the sheet.

According to a fifth aspect of the present invention, the image forming apparatus compares the image information to be recorded with the sheet size of the recording sheet, and if the sheet size is different, gives priority to the sheet width, and reduces the size according to the recording sheet width. Do the enlargement.

According to a sixth aspect of the present invention, in the image forming apparatus, the camera means recognizes the sheet and the ruled line, detects a shift between the sheet and the ruled line, and feeds the sheet if the camera means recognizes that a shift has occurred. A variable pressure idle roller is provided to correct the paper on the tray to a proper position during paper transport.

The image forming apparatus described in claim 7 is characterized in that, when it is recognized that a shift has occurred, the distance and the angle are corrected in accordance with the shifted ruled line.

In the image forming apparatus according to the present invention, when the camera means recognizes that a file hole is present, the image information is recorded on a sheet so that the image information is shifted by the file hole so as not to record the image in the file hole. I do.

According to a ninth aspect of the present invention, when the image information is recorded while being shifted by the amount corresponding to the file hole, if the image protrudes from the sheet, the image is reduced and recorded in accordance with the effective width of the sheet.

The image processing apparatus according to the tenth aspect of the present invention recognizes that the paper placed on the paper feed tray has a postal code square by an image from the camera means, and the recorded image corresponds to the postal code. If there is a number to be recorded, it is registered in the square of the paper and recorded.

In the image forming apparatus according to the eleventh aspect, when the image to be recorded is already in a standby state and the camera unit recognizes that a sheet has been placed on the sheet feeding tray, the image forming apparatus automatically starts a recording operation. When a sheet is placed before there is no image to be recorded, the apparatus does not operate but operates with a start button.

According to the image forming apparatus of the present invention, since the camera is used as the means for automatically recognizing the recording paper and the ruled lines drawn on the recording paper, it is possible to prevent the image forming apparatus from being enlarged. In addition, it can be handled by an easy operation for an unfamiliar user.

According to the image forming apparatus of the present invention, since the reference line drawn on the paper feed tray is used as the ruled line pitch detecting means, no special measuring device is required, and Cost increase can be suppressed.

According to the image forming apparatus of the third aspect, since the text line feed pitch of the document is automatically reduced or enlarged in accordance with the ruled line pitch of the recording paper, copying or printing with high finish quality can be easily performed. it can.

According to the image forming apparatus of the present invention, when automatically reducing and enlarging according to the ruled line pitch of the recording paper, characters may be too small or too large for the ruled line pitch. The finish quality of the paper decreases. In such a case, according to the items described in claim 4 of the present invention, characters are printed in an appropriate size between ruled line pitches, so that copying or printing with high finish quality can be performed.

According to the image forming apparatus of the present invention, even when the paper sizes are different, the width of the recording paper is prioritized, so that the characters can be prevented from protruding from the recording paper.

According to the image forming apparatus of the present invention, when the recording paper is erroneously set on the paper feed tray or the recording paper having ruled lines drawn diagonally to the paper is used. In addition, since the CCD camera detects the amount of displacement without using a special measuring device, it can respond to the carelessness of the user and prevent it. By correcting the recording paper using an idle roller and printing it at a regular position, it is possible to cope with the carelessness of the user and perform high-quality copying or printing.

According to the image forming apparatus of the present invention, since the printing is performed in accordance with the ruled line with respect to the deviation amount of the ruled line detected in the present invention, the image may run off the ruled line or the character may overlap with the ruled line. Can be prevented.

According to the image forming apparatus of the present invention, the printed recording paper is set on the platen, and the recording paper with no misalignment of the ruled line is set on the paper feed tray. Then, printing can be performed along the regular ruled line position.

According to the image forming apparatus of the ninth aspect, when recording paper having a file hole such as a loose leaf is set on a paper feed tray, image information is automatically printed so that characters are not printed on the file hole. Copy or
User settings are not required for printing, and there is no restriction on the type of recording paper.When recording with a file hole offset, characters from the recording paper are used to reduce the size to the effective width of the recording paper. Without protruding,
High quality copying or printing is possible.

According to the image forming apparatus of the tenth aspect,
When a recording paper with postal code squares such as postcards and envelopes is installed on the paper feed tray, the CCD camera automatically recognizes the position and prints it in alignment with the squares, which is effective when printing addresses such as New Year's cards. is there.

According to the image forming apparatus of the eleventh aspect,
If a document is already placed on the platen, it automatically starts recording when it recognizes that the recording paper has been placed on the paper feed tray. Can be prevented.

[0034]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an image forming apparatus according to an embodiment of the present invention will be described with reference to the drawings.

(Embodiment 1) FIG. 1 shows an image forming apparatus according to an embodiment of the present invention. In a normal copying process, when an operation switch (not shown) is pressed on a document 344 placed on a document table 345, the optical unit 348 moves while irradiating the document surface, and the reflected light is transmitted to the first mirror 303. To the second mirror 301 and the third mirror 3
02, the image data is input to the CCD substrate 307 and then to the image processing unit 309.

The image information processed by the image processing unit 309 is irradiated with a laser beam from the laser scanning unit 308 via the fourth mirror 346 onto the surface of the photosensitive drum 315 to form an image according to the information content. Tank 312
The image information of the electrostatic latent image on the photosensitive drum 315 is visualized on the photosensitive drum 315 by the toner.

On the other hand, the recording paper 3 in the paper feed cassette 338
Reference numeral 41 denotes a sheet feeding roller 334 in which one sheet of paper is conveyed by a sheet feeding inducing roller 336, and a sheet feeding reverse rotation roller 3.
35, and then between the transfer roller (upper) 332 and the transfer roller (lower) 333, and the idle roller 343.
Is conveyed to the registration roller 313 via the.

Here, the control section 310 controls so that the leading edge of the image coincides with the leading end of the recording paper 341, and the recording paper 341 is conveyed between the photosensitive drum 315 and the transfer charger 314. At that time, the photosensitive drum 31
The image information visualized by the toner on 5 is transferred onto the recording paper 341. The unfixed image transferred onto the recording paper is supplied to a heater unit 323 in a fixing unit.
The heat of the upper and lower heat rollers 321 and 322 is transmitted to the toner and the recording paper 341 when the toner is conveyed between the upper and lower heat rollers 321 and 322 which have become high temperature, and the unfixed toner is melted and fixed on the recording paper 341. Then, the paper is finally discharged to the paper discharge tray 347.

Further, the recording paper 34
2 is also conveyed from the paper feed tray 339,
Manual feed roller 330, manual separation roller 331
Hereinafter, the recording paper 34 conveyed from the paper cassette will be described.
The image information is visualized by the same process as in (1).

Next, a part related to the present invention will be described.

In FIG. 1, a CCD camera 340 is installed and connected on a paper feed tray 339 to a copying machine or a printer. The CCD camera 340 focuses on the recording paper on the paper feeding tray 339, and automatically recognizes the presence or absence of the recording paper 342 on the paper feeding tray 339, and also automatically recognizes the presence or absence of the ruled line drawn on the recording paper. can do.
It is assumed that the recording paper 342 is placed on the paper feed tray 339 with the plain surface facing upward, that is, facing the CCD camera 340. Also, in order for the CCD camera 340 to correctly focus on the recording paper on the paper feed tray 339,
It is assumed that the number of recording sheets on the sheet feed tray 339 is limited to a predetermined number.

(Embodiment 2) When the image processing unit 309 recognizes from the image information from the CCD camera 340 that the ruled line exists on the recording paper 342 placed on the paper feed tray 339, as shown in FIG. By measuring the number of ruled lines drawn on the recording paper 342 in the reference line 401 drawn on the paper feed tray 339, the pitch of the ruled lines can be detected.

As an example of detection in this case, the number of pixels between reference lines is measured, and then the number of pixels between ruled lines is measured. By setting the length between the reference lines in advance and measuring the length of the reference line hidden by the recording paper 342, the length between the ruled lines can be recognized. Even when the ruled line of the recording paper is a vertical ruled line, the same effect can be obtained by providing a reference line drawn in the vertical direction.

(Embodiment 3) Image information radiated by the optical unit 348 from the document surface placed on the document table 345 is input to the image processing unit 309. If the input image information is character data, the image processing unit 309
The sentence line feed pitch is measured. In the case of original data in which a text and a picture are mixed, the image processing unit 309 can automatically determine the area of the text and the picture, and measure the text line feed pitch for the character portion.

Then, in the image processing unit 309, CC
The ruled line pitch of the recording paper 342 on the paper feed tray 339 detected from the D camera 340 is compared with the sentence line feed pitch detected from the document data, the line feed pitch of the sentence is reduced and the magnification is determined. The light is irradiated onto the surface of the photosensitive drum 315 using light.

On the other hand, the recording paper 342 on which a ruled line is printed in advance is placed on a paper feed tray 339, and is fed by a manual feed roller 329, a manual paper feed roller 330, and a manual separation roller 331 via an idle roller 343 to a registration roller. 313 and the recording paper 3
It is controlled so that character data is printed along the ruled line of 42, is conveyed to the transfer charger 314, and after fixing,
3A is sequentially conveyed to the discharge tray 347, and is printed on a recording sheet 502 (FIG.
(B)) is obtained. The same applies to recording paper on which vertical ruled lines are printed in advance.

(Embodiment 4) The image information from the original 344 described in Embodiment 3 can detect the sentence line feed pitch and the size of the character as character data.
In this case, the image processing unit 309 determines the reduction and enlargement magnification of the character data so that the character data is printed in an appropriate size between the ruled line pitches detected from the CCD camera 340, and then the same as described in the third embodiment. Then, a recording sheet 602 (FIG. 4B) printed on the recording sheet 342 and printed on the original 601 in FIG. 4A is obtained.

It should be noted that the original data is described in the third embodiment.
The operation button (not shown) can control whether the character data pitch is reduced or enlarged to the ruled line pitch described in (1) or the character data pitch is reduced or enlarged between the ruled line pitches described in the present embodiment. The same applies to recording paper on which vertical ruled lines are printed in advance.

(Embodiment 5) Reduction and enlargement of the character data pitch to the ruled line pitch described in Embodiments 3 and 4, and
When reducing or enlarging the character data between the ruled line pitches, the recording paper 342 placed on the paper feed tray 339 is used.
If the size of the paper information and the size of the image information from the document surface are inappropriate, the image
In order to prioritize that image information is appropriately printed in the area 2, automatic reduction and enlargement are performed in accordance with the recording paper 342 using a known technique.

As an example, as shown in FIG. 5A, the document 701 has a character pitch of 5 mm and a character line of 100 mm.
mm, the ruled line pitch of the recording paper 702 is 10 mm, and the ruled line length is 150 mm. If the document character pitch is doubled to match the ruled line pitch, the character line becomes 200 mm and exceeds the ruled line length. 702 (FIG. 5 (B)) so as to be appropriately printed.

(Embodiment 6) When the recording paper 342 is set on the paper feeding tray 339, there may be a deviation between the reference line 401 provided on the paper feeding tray 339 and the ruled line of the recording paper 342. . That is, when the recording paper 342 is not set at the correct position on the paper feed tray 339, or when the ruled line is not drawn parallel or perpendicular to the recording paper 342, the image information from the CCD camera 340 is Thus, the image processing unit 309 can detect the shift amount.

The original 3 set on the original platen 345
The image input from the optical unit 348 even when the image 44 is shifted from the normal position or when the image information drawn on the document 344 is printed shifted from the document 344. The image processing unit 309 can detect the amount of deviation between the information and the ruled line drawn on the recording paper 342.

(Embodiment 7) When the deviation described in the sixth embodiment occurs, the deviation amount is corrected and the recording paper 34
In order to print properly along the ruled line 2, the paper feed tray 33
9 is conveyed from the manual feed roller 329 to the manual feed roller 330 and the manual separation roller 331, and the idle roller 34.
3.

As shown in FIG. 6, the idle roller 343 is variable in pressure and controls a variable pressure mechanism 801 including an eccentric cam or the like that operates according to the amount of deviation detected by the image processing unit 309. By controlling the unit 310 and moving the idle roller 343 up and down by rotating the eccentric cam, the pressure at both ends of the roller is changed, so that the recording paper 342 can be properly printed on the ruled line of the recording paper 342 during conveyance. , And is guided to the transfer charger 314.

(Embodiment 8) When the displacement described in Embodiment 6 occurs, the image processing unit 309 adjusts the image information input from the document surface to the ruled line with respect to the detected displacement amount. Correct the distance and angle by rotating and moving the coordinate system of each dot of information by matrix conversion,
An image can be formed on the surface of the photosensitive drum 315 by laser light and printed.

(Embodiment 9) The paper feeding tray 339 installed in the image forming apparatus according to the present invention is usually of a different color, such as black or dark blue, having low brightness because the recording paper 342 is white. In addition, the reference lines 401 and 402 drawn on the paper feed tray 339 are also chromatic in order to clearly distinguish them from the recording paper 342 and the paper feed tray 339, thereby preventing the CCD camera 340 from being erroneously recognized. I do.

(Embodiment 10) Printed recording paper 3
There are many cases where a file hole is made at 42 and filing is performed. However, depending on the finish of printing, a file hole may be formed in a printing portion, and the printing portion may be erased. The present invention addresses such problems as follows. Recording paper 34 already having file holes
2 is placed on the paper feed tray 339. CCD camera 34
0 indicates that the recording paper 342 is recognized and
When the color of the paper feed tray 339 is recognized through the file hole, the image processing unit 309 determines that the file hole exists in the recording paper 342, and the image information from the document surface is recorded on the recording paper 342 so that the printing portion is not involved in the file hole. 342 can be shifted to the side opposite to the file hole side.

(Eleventh Embodiment) In the image formation according to the tenth embodiment, when the print portion exceeds the width of the sheet as a result of shifting by the file hole, the file hole is shifted from the file hole based on the image information from the CCD camera 340. The distance to the other end of the paper is detected, and the image processing unit 309 determines and records the reduction and enlargement magnification so that the image information from the document surface is appropriately printed within the effective width of the recording paper.

(Embodiment 12) When a postcard or an envelope having a postal code square is installed as a recording sheet, a CCD
Image information from the camera 340 is recognized by the image processing unit 309, and a cell can be detected. On the other hand, when it is detected that the number corresponding to the postal code exists in the image information from the surface of the original, the printing is performed by aligning and printing the squares of the recording paper 342 with the size of the squares. Reduction and enlargement can be performed by the image processing unit 309 and printing can be performed.

(Embodiment 13) When a document 344 is already set on the document table 345, the sheet feeding tray 339
When the recording paper 342 is set thereon, and the CCD camera 340 recognizes the recording paper 342, a signal is transmitted from the image processing unit 309 to the control unit 310, and the recording operation is automatically started. When the document 344 is not set on the document table 345 when the CCD camera 340 recognizes the recording sheet 342, the recording operation is started by a start button (not shown) without entering the recording operation.

In addition, the present invention is not limited to the embodiment described above and shown in the drawings, and it is needless to say that the present invention can be appropriately modified and implemented without departing from the scope of the invention.

[0062]

According to the image forming apparatus of the first aspect,
A camera is used as a means for automatically recognizing recording paper and ruled lines drawn on the recording paper, so that the image forming apparatus can be prevented from being enlarged, and can be handled easily by unskilled users. Can be.

According to the image forming apparatus of the present invention, since the reference line drawn on the paper feed tray is used as the ruled line pitch detecting means, no special measuring device is required, and Cost increase can be suppressed.

According to the image forming apparatus of the third aspect, since the sentence line feed pitch of the document is automatically reduced or enlarged in accordance with the ruled line pitch of the recording paper, copying or printing with high finish quality can be performed by an easy operation. it can.

According to the image forming apparatus of the fourth aspect, when automatically reducing and enlarging according to the ruled line pitch of the recording paper, characters may be too small or too large for the ruled line pitch. The finish quality of the paper decreases. In such a case, according to the items described in claim 4 of the present invention, characters are printed in an appropriate size between ruled line pitches, so that copying or printing with high finish quality can be performed.

According to the image forming apparatus of the fifth aspect, even if the paper size is different, the width of the recording paper is prioritized, so that the characters can be prevented from protruding from the recording paper.

According to the image forming apparatus of the present invention, when the recording paper is erroneously set on the paper feed tray or a recording paper having ruled lines drawn diagonally to the paper is used. In addition, since the CCD camera detects the amount of displacement without using a special measuring device, it can respond to the carelessness of the user and prevent it. By correcting the recording paper using an idle roller and printing it at a regular position, it is possible to cope with the carelessness of the user and perform high-quality copying or printing.

According to the image forming apparatus of the present invention, since the printing is performed in accordance with the ruled line with respect to the displacement amount of the ruled line detected in the present invention, the image may run off the ruled line or the character may overlap with the ruled line. Can be prevented.

According to the image forming apparatus of the present invention, the printed recording paper is set on the platen, and the recording paper having no misalignment of the ruled line is set on the paper feed tray. Then, printing can be performed along the regular ruled line position.

According to the ninth aspect of the present invention, when recording paper having a file hole such as a loose leaf is set on a paper feed tray, image information is automatically printed so that characters are not printed on the file hole. Copy or
User settings are not required for printing, and there is no restriction on the type of recording paper.When recording with a file hole offset, characters from the recording paper are used to reduce the size to the effective width of the recording paper. Without protruding,
High quality copying or printing is possible.

According to the image forming apparatus of the tenth aspect,
When a recording paper with postal code squares such as postcards and envelopes is installed on the paper feed tray, the CCD camera automatically recognizes the position and prints it in alignment with the squares, which is effective when printing addresses such as New Year's cards. is there.

According to the image forming apparatus of the eleventh aspect,
If a document is already placed on the platen, it automatically starts recording when it recognizes that the recording paper has been placed on the paper feed tray. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a configuration of an image forming apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a paper feed tray 33 of the image forming apparatus according to the present invention.
FIG.

FIG. 3 is a diagram showing Embodiment 3 of the image forming apparatus according to the present invention.

FIG. 4 is a diagram illustrating a fourth embodiment of the image forming apparatus according to the present invention.

FIG. 5 is a diagram showing Embodiment 5 of the image forming apparatus according to the present invention.

FIG. 6 is a diagram showing a seventh embodiment of the image forming apparatus according to the present invention.

FIG. 7 is a diagram illustrating a configuration of a recording apparatus according to the related art.

FIG. 8 is a block diagram illustrating a configuration of a recording apparatus according to the related art.

[Explanation of symbols]

 339 Paper tray 340 CCD camera 341 Recording paper 342 Ruled recording paper 343 Idle roller 344 Document 345 Document table 346 Fourth mirror 347 Output tray 348 Optical unit 401 Example of horizontal reference line 402 Example of vertical reference line 501 Example of character document Example 502 Recording paper 601 Example of character original 602 Recording paper 701 Example of character original 702 Recording paper 801 Variable pressure mechanism using eccentric cam etc.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04N 1/393 G06F 15/62 325P

Claims (11)

[Claims] 1. An image forming apparatus comprising: camera means for focusing on recording paper on a paper feed tray of a copying machine or a printer; and recognition means for recognizing a ruled line of the recording paper placed on the paper feed tray. . 2. The image forming apparatus according to claim 1, further comprising means for drawing a reference line on the sheet feeding tray, comparing the reference line with a ruled line on the sheet, and detecting a ruled line pitch on the sheet. 3. The image forming apparatus according to claim 2, wherein the text feed line pitch of the image information to be recorded on the sheet is reduced, enlarged, and recorded in accordance with the ruled line pitch of the sheet based on the comparing means. 4. The image forming apparatus according to claim 2, wherein the character is reduced, enlarged, and recorded so as to have an appropriate size between the ruled line pitches of the paper based on the comparing means. 5. The paper size of image information to be recorded and a recording paper are compared, and if the paper size is different, priority is given to the paper width, and reduction and enlargement are performed according to the width of the recording paper. The image forming apparatus as described in the above. 6. The camera means recognizes a sheet and a ruled line,
Claims: A device comprising a variable pressure idle roller for detecting a shift between a sheet and a ruled line and correcting the sheet on a sheet feed tray to a proper position during sheet conveyance when the camera unit recognizes that the shift has occurred. Item 2. The image forming apparatus according to Item 1. 7. When recognizing that a shift has occurred,
7. The image forming apparatus according to claim 6, wherein the distance and the angle are corrected in accordance with the shifted ruled line. 8. The image forming apparatus according to claim 1, wherein when the camera unit recognizes that the file hole is present, the image information is recorded on a sheet so that the image information is shifted by the file hole so as not to record the image in the file hole. apparatus. 9. The image processing apparatus according to claim 8, wherein, when recording the image information shifted by the amount of the file hole, if the image protrudes from the sheet, the image is reduced and recorded according to the effective width of the sheet. 10. An image from the camera means recognizes that the paper placed on the paper feed tray has a postal code square, and if the image to be recorded has a number corresponding to the postal code, the paper The image forming apparatus according to claim 1, wherein the image is aligned and recorded on the square. 11. When the camera means recognizes that a sheet to be recorded has been placed on a paper feed tray when an image to be recorded is already in a standby state, a recording operation is automatically performed, and the sheet is recorded before there is no image to be recorded. 2. The image forming apparatus according to claim 1, wherein when the image forming apparatus is placed, the apparatus does not operate but operates with a start button.