JPH01284875A - Image forming device - Google Patents

Abstract

PURPOSE:To print add-on information in a color different from an original image or the same color as said image with a simple color specificating operation by selecting plural developing units and transferring the information on a transfer sheet by color when the specified add-on information and the specification of printing color are inputted. CONSTITUTION:The specified add-on information and the specification of printing color corresponding to said add-on information are inputted in a controller part 25 (transfer control means) by an operation part (add-on information input means) 26. Thus, an optional developing unit is selected from plural developing units 14-16 so as to perform development based on add-on color information for inputting the original image exposed on the photosensitive drum 7 by an original scanning unit (1st exposing mean) 2 and the add-on information exposed on the photosensitive drum 7 by a 2nd exposing means (semiconductor laser 9, etc.). Then the original image and the add-on information can be printed in different colors on a transfer sheet.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention utilizes two types of exposure systems: an analog exposure system and a digital exposure system.
The present invention relates to an image forming apparatus having various types of exposure means.

[Conventional technology]

Conventionally, this type of apparatus includes a first exposure unit that exposes a document placed on a document table, and an electrostatic latent image formed by irradiating light onto an arbitrary position on a photoconductor drum, which serves as a photoconductor. An image forming apparatus having a second exposure means for erasing or drawing an image has been considered.

This makes it possible to easily create a composite image in which information other than the manuscript information, such as date and page, is overlaid (add-on) to the manuscript information.

In order to add such dates, pages, etc. to the manuscript information, it is necessary to specify the area to be added using an area specifying means such as a digitizer, and if the specified area overlaps with the first exposure means, , those exposed by the second exposure means are given priority.

[Problem to be solved by the invention]

However, since such add-on information is developed in the same color as the information obtained by the first exposure means, there are problems in that depending on the condition of the document, it may not be possible to clearly distinguish between the document and the add-on information. there were.

This invention was made to solve the above-mentioned problem, and by adding copy color information of the add-on information when inputting the add-on information, the image color by the first exposure means can be changed by a simple color specifying operation. It is an object of the present invention to provide an image forming apparatus that can transfer onto a transfer paper a color different from the color in which add-on information is copied by a second exposure means.

[Means to solve the problem]

The image forming apparatus according to the present invention includes: an add-on information input means for inputting predetermined add-on information; an add-on color information input means for specifying and inputting a print color for the add-on information input by the add-on information input means; 1st
The original image exposed onto the photoreceptor by the second exposure means and the add-on information exposed onto the photoreceptor by the second exposure means,
The image forming apparatus is provided with a transfer control means that performs multiple transfer for each color while selecting a plurality of developing units based on add-on color information input from an add-on color information input means.

(Operation) In the present invention, when predetermined add-on information is input by the add-on information input means and a print color designation for the add-on information is input from the add-on color information input means, the transfer control means exposes the photoreceptor by the first exposure means. A plurality of developing units are selected based on the original image to be displayed and the add-on information to be exposed onto the photoreceptor by the second exposure means and the add-on color information input from the add-on color information input means, and the image is transferred to the transfer paper by color. The developing unit selection is controlled so that the original image and the add-on information are multiple-outputted in different colors onto the transfer paper.

[Embodiment] FIG. 1 is a block diagram illustrating the configuration of an image forming apparatus showing an embodiment of the present invention. Reference numeral 1 denotes a document table on which a document (not shown) is placed. Reference numeral 2 denotes a document scanning unit constituting a first exposure means, which has a document lamp. A scanning mirror 3 scans the light reflected from the original exposed by the original lamp. Reference numeral 4 denotes a zoom lens, which is configured to be placed at a predetermined position according to the image forming magnification inputted from the operation unit 26. 5 is an image reading section, and a scanning mirror 3
photoelectrically converts and reads the reflected image scanned through the
The read image data is sent to the controller section 25. Reference numeral 6 denotes a folding mirror that forms an image of the reflected image light scanned through the zoom lens 4 on the photosensitive drum 7 . A polygon mirror 8 is rotated at a constant speed by a scanner motor (not shown) and deflects laser light emitted from a semiconductor laser 9 (second exposure means). Reference numeral 10 denotes a folding mirror that forms an image of the deflected laser beam on the photosensitive drum 7. A pre-exposure lamp 11 neutralizes the surface potential of the photosensitive drum 7. A primary charger 12 sets the surface potential of the photosensitive drum 7 uniformly. A potential sensor 13 detects the surface potential of the photosensitive drum 7 and sends surface potential data to the controller section 25. A developing unit 14 develops the electrostatic latent image formed on the photosensitive drum 7 into, for example, red. A developing unit 15 develops the electrostatic latent image formed on the photosensitive drum 7 into, for example, black. A developing unit 16 develops the electrostatic latent image formed on the photosensitive drum 7 into, for example, blue. Reference numeral 17 denotes a paper feed unit that feeds transfer paper from a manual feeder, a cassette, or the like to a position where registration rollers 18 are disposed. 1
A transfer charger 9 transfers the toner image developed on the photosensitive drum 7 onto a fed transfer paper. A separation charger 20 separates the transfer paper from the photosensitive drum 7. A cleaner section 21 collects toner remaining on the photosensitive drum 7. 22
is a conveyance belt that conveys the transfer paper on which the transfer has been completed to a position where the fixing device 23 is installed.

Reference numeral 24 denotes a paper discharge tray for discharging the transfer paper after the fixing process has been completed.

Note that the controller section 25 constitutes a transfer control means of the present invention, and when predetermined add-on information and print color designation for this add-on information are input through the operation section 26 serving as an add-on information input means, the controller section 25 controls the first exposure means. Based on the inputted add-on color information, the original image to be exposed on the photosensitive drum 7 by the (original scanning unit 2) and the add-on information to be exposed to the photosensitive drum 7 by the second exposure means (semiconductor laser 9, etc.) The developing units 14 to 1 are arranged so that each color is transferred to the transfer paper while selecting an arbitrary developing unit.
A desired developing unit is selected from 6, and the original image and add-on information are multiple-outputted in different colors onto transfer paper.

FIG. 2 is a plan view illustrating the configuration of the operating section 26 shown in FIG. 1, and the same parts as in FIG. 1 are given the same reference numerals.

Reference numeral 31 denotes an asterisk key (* key), which is used by the operator for setting modes such as binding substitution settings and document frame eraser size settings.

32 is an all reset key, which is pressed to return to the standard mode.

Reference numeral 33 denotes a preheat key, which is pressed to put the machine into a preheat state or release the preheat state. It is also pressed to return to standard mode from the auto-shutoff state.

34 is a copy start key, which is pressed to start copying.

35 is a clear/stop key, which functions as a clear key during standby and as a stop key during copying.

Here, the clear key is pressed to cancel the set number of copies. It is also pressed to cancel the asterisk mode.

Further, the stop key is pressed to interrupt continuous copying, and the copying operation ends at the same time as the copying is completed at the time of pressing.

Numerical keys 36 are pressed to set the number of copies. Also, press it to set the asterisk mode.

37 is a memory key in which the user can register frequently used modes.

Copy density keys 38 and 39 are pressed to manually adjust the copy density.

Reference numeral 40 denotes an AE key, which is pressed to automatically adjust copy density according to original density, or to cancel AE (automatic density adjustment) and switch to manual mode.

A cassette selection key 41 is pressed to select an upper cassette, a lower cassette, or a lower vapor deck. Also, if an original is set in the RDF/DF, the APS
(automatic paper selection device) can be selected.

Reference numeral 42 is a same size key, which is pressed to make a same size (original size) copy.

Reference numeral 43 denotes an auto-magnification key, which is pressed to automatically reduce or enlarge the original to match the specified copy paper size.

Reference numeral 44 and 45 are zoom keys that also serve as image forming area changing means of the present invention, and are used when specifying an arbitrary magnification between 64 and 142% and when changing the image forming magnification set at the time of inputting add-on information, for example 90%. Each time the zoom keys 44 and 45 are pressed, the magnification changes in 1% increments.

46 and 47 are constant magnification keys, which are pressed to specify reduction or enlargement of the standard size.

A double-sided key 48 is pressed to specify double-sided copying from a single-sided original, double-sided copying from a double-sided original, or single-sided copying from a double-sided original.

49 is a binding key, which is pressed to create a binding margin of a specified length on the left side of the transfer paper.

50 is a photo key, which is pressed when copying a photo original.

Reference numeral 51 denotes a multiple key, which is pressed when forming images on the same side of transfer paper from two originals.

Reference numeral 52 denotes a document frame erase key, which is pressed by the operator when erasing the frame of a standard size document, and the size is set using the asterisk key 31.

53 is a sheet frame erase key, which is pressed to erase the frame according to the cassette size.

Reference numeral 54 denotes a page quick copy key, which is pressed when copying the left and right pages of the original onto separate sheets.

Reference numeral 55 denotes a first data key serving as add-on information input means of the present invention, which is pressed in combination with other keys to execute numbering (paginating).

Reference numeral 56 denotes a second data input key serving as add-on information input means of the present invention, which is pressed in combination with other keys to input one hour of the date.

Reference numeral 57 denotes a third data input key serving as add-on information input means of the present invention, which is pressed when inputting information other than the above by pressing in combination with other keys or using an editor or external input device (not shown).

Reference numeral 58 denotes a sort key, which is pressed when setting or canceling the sort mode from the standard mode in the case of a sorter.

Reference numeral 59 is a group key, which is pressed when a plurality of copies are made from one original document, stored in each bin if a sorter is provided, and when the finisher stores the copies in different levels on the oscillating copy tray.

60 is a message display consisting of an LCD.
One character consists of 5 x 7 dots, and 40 characters can be displayed. The message display 6o is composed of a semi-transparent liquid crystal and has a light source for displaying a backlight in two colors.Normally, the message display 6o is lit green, and when an abnormal condition occurs or copying is disabled, the message display 6o is lit orange.

61 is a magnification display that displays the set magnification in %.

Reference numeral 62 denotes an equal-size display, which lights up when equal-size is selected.

Reference numeral 63 is a color developer operating status indicator, which lights up when the sepia developer is set.

A copy number display 64 displays the number of copies or a self-diagnosis code.

Reference numeral 65 denotes a used cassette display, which indicates which of the upper, interrupted, and lower cassettes or deck is selected.

Reference numeral 66 denotes a document direction indicator that displays the direction in which the document is set (portrait or landscape).

67 is an AE indicator, which lights up when AE (automatic density adjustment) is selected.

Reference numeral 68 is a residual heat indicator, which lights up when there is residual heat. Note that it blinks when in the auto-shutoff state.

Reference numeral 69 denotes a ready/wait indicator, which is composed of green and orange LEDs, and the green light lights up when the machine is ready (when copying is possible), and the orange light lights up when the machine is wait (when copying is not possible).

70 is a double-sided copy display, which allows you to make double-sided copies from double-sided originals,
Lights up when either double-sided copying is selected from a single-sided original.

In addition, in standard mode, the number of copies is 1 when RDF is in use.
The settings are: paper, density AE mode, automatic paper selection, same size, and single-sided copying from a single-sided original.

Furthermore, when RDF is not used, the settings are one copy number, manual density mode, same size, and one-sided copy from one-sided original. The difference between when the RDF is used and when it is not used is determined by whether or not a document is set on the RDF.

FIG. 3 is a circuit block diagram illustrating the configuration of the controller section 25 shown in FIG. 1, and the same components as in FIG. 1 are given the same reference numerals.

In this figure, 25a is a main controller, an operation unit controller 25b5, an image reading controller 25c
, a digital image controller 25d, a laser unit controller 25e, etc., and the operating unit controller 25b processes key-in information input from the operating unit 26 and sends display data to the operating unit 26. The image reading controller 25c processes the digital image data input from the image reading section 5 or the digital image data input via an external interface I/F (an interface circuit such as RS232C), and sends the laser to the laser unit controller 25e. Sends a drive signal.

Numbering information 2 serving as add-on information from the operation unit 26
When the mortar information and other information are instructed, the operation unit controller 25b notifies the main controller 25a of the instruction.

In response to this, the main controller 25a sets various modes necessary for image formation. Additionally, the digital image controller 25d generates add-on character information.
to notify. At this time, the main controller 25a
For example, zoom control signals are used to adjust the position of the zoom lens 4 and reduce the image forming magnification so that the numbering information 1 date information and other information do not overlap with the image of the exposed document. Sends to the lens drive system.

FIG. 4 is a block diagram illustrating the configuration of the main controller 25a shown in FIG. 3.

In this figure, 81 is a 16-bit CPU, for example.
ROM 82a that stores the control program on the address/data bus, RAM 82b that serves as work memory
, a 2-bot RAM 82c that exchanges data with the operation unit controller 25b, and a 2-bot RA that exchanges data with the digital image controller 25d.
M82d.

Application equipment, such as a document feeder (A
A communication controller 82e for communicating with DF), sorter, finisher, digitizer, etc. is provided. Note that the ROM 82a stores a magnification value of the image forming area, for example, 90%, which is set when the add-on information print mode is selected.

An internal interface 83 exchanges control signals with various devices (main motor, image tip sensor, pre-exposure lamp 11, optical home sensor, blank exposure lamp, etc.) connected to the sequence control input/output terminal 84.

Reference numeral 85 is a high-voltage control output terminal for exchanging control signals for the transfer system and the development system.

FIG. 5 is a block diagram illustrating the configuration of the digital image controller 25d shown in FIG. 3.

In this figure, 91a is, for example, a 16-bit CPU, which collectively controls each section based on a control program stored in ROM 91b.

91c is a RAM, which functions as a work memory for the CPU 9ia. 91d is an image memory that stores C data based on the character code input from the external interface I/F.
The PU 91a expands and stores the character image data read from the CGROM 91g, temporarily stores the original image read by the image reading unit 5 shown in FIG. 1, and extracts specific characters, specific colors, etc. do.

91e is a 2-bot RAM, main controller 25a
Stores data sent from. 91f is 2-bottom R
The AM buffers the data transferred from the external interface E/F.

Reference numeral 91h denotes an add-on RAM that stores add-on information developed by the CPU 91a, such as Tarafuta images such as date data and page data, and image data read by the image reading section 5, and is used by the laser unit shown in FIG. The image is developed in the image memory 91d in order to be transferred to the controller 25e.

FIG. 6 is a block diagram illustrating the configuration of the laser unit controller 25e shown in FIG.
Image data is read from the digital image controller 25d based on the vertical synchronization signal sent from the digital image controller 25d. 92b
A horizontal synchronization clock generator sends a horizontal synchronization signal to the data read controller 92a and the horizontal line counter 92c in synchronization with the BD signal sent from a beam detector (not shown). A timing signal generator 92d sends a data read timing signal to the data read controller 92a based on the ripple carry from the horizontal line counter 92c. In synchronization with this data read timing signal, the data read controller 9
2a outputs image data to the shift register 92e.

92f is a laser driver that turns the semiconductor laser 9 shown in FIG. 1 ON10F based on the shift register 92e.
Sends out a drive signal that is F modulated. A laser scanner motor controller 92g sends a drive signal to drive the polygon mirror 8 shown in FIG. Note that the laser scanner motor controller 92g monitors a speed signal output from a rotation speed detection means (not shown), and outputs a standby signal to the main controller 25a when the rotation speed of the scanner motor reaches the target rotation speed.

FIG. 7 shows the image reading controller 25 shown in FIG.
FIG. 3 is a block diagram illustrating the configuration of the device C, in which the same components as shown in FIG. 1 are denoted by the same reference numerals.

In this figure, reference numeral 93 denotes a reading section composed of a charge imaging device such as a CCD, which reads images in synchronization with a reading clock sent from the main controller 25a. 94 is an A/D converter that converts the analog signal output from the reading section 93 into a digital signal. A shading correction circuit 95 corrects the shading characteristics of the digital image data output from the A/D converter 94 at the previous stage, and outputs the corrected digital image data to the digital image controller 25d.

Next, the operation of forming an image with add-on information according to the present invention will be explained.

For example, the second data entry key of the operating section 26 shown in FIG.
When 56 is pressed, the current year number r1987J is displayed on the message display 60. To change this display to r1988J, press the zoom key 44. When the asterisk key 31 is pressed to add on the content displayed on the message display 60, the content is notified to the operation unit controller 25b (
ENTER), and the CPU 91a of the digital image controller 25d is notified of this via the main controller 25a. According to this, the CPU 91a
The OM 91g is accessed to read the add-on information and expanded to the add-on RAM 91h. When the asterisk key 31 is pressed, the message display 6o displays the current month data, for example, "10 or QC.
"T" is displayed.

When changing the displayed content, arbitrary monthly data can be input by operating the zoom keys 44 and 45.

Then, each time the asterisk key 31 is pressed, the time can be changed to 1 minute, 1 second, etc.

Here, if you do not want to add-on print the input date data, that is, if you want to cancel the input data, you can cancel the input contents by pressing the all reset key 32.

Now, when date data is input as described above, a magnification of 90% is automatically set on the magnification display 61. As a result, the magnification of the original placed on the original platen 1 changes from 100% to 90%.
% (the position of the zoom lens 4 is set to a reduction ratio of 90%), the image forming area is forcibly changed, the print area for the add-on information is secured, and the add-on is printed from the semiconductor laser 9 in parallel with the exposure operation of the document. The photosensitive drum 7 is irradiated with a laser beam based on the information. Therefore, it is possible to transfer the add-on information onto the transfer paper without losing the original information.

In the above embodiment, the case where date data is printed on the transfer paper as add-on information has been explained, but as described above, navigation information and other arbitrary messages can be added-on printed on the exposed image of the original. .

. Next, the operation of arbitrarily setting the reduction ratio for creating a margin mode will be explained.

When the setting of the add-on information is completed, the initial value of 90% is displayed on the magnification display 61, and the same magnification display 62 is turned off.

At this time, if it is desired to increase the size of the add-on characters from the default value, by successively pressing the zoom key 45, the reduction rate is decreased in 1% increments, and the margin area can be successively enlarged.

On the other hand, if you want to make the size of the add-on characters as small as possible, by pressing the zoom key 44 in sequence,
The reduction ratio increases in 1% increments, allowing you to approach the same size and gradually reduce the margin area.

When the input of the add-on information as described above is completed, the process moves to an add-on color information designation input operation.

The first to eighth add-on color information designation inputs will be explained below.

[First add-on color information designation input] When inputting the add-on information as described above is completed, rcOLLOR? prompts the message display 60 to input add-on color information designation. J is displayed. Here, a preset color code is input using the numeric keypad 36 and the asterisk key 31. For example, on the numeric keypad 36, "0"
” is entered and the asterisk key 31 is further pressed, the controller unit 25 can recognize that the add-on printing color is black. Similarly, if "1" is entered on the numeric keypad 36 and the asterisk key 31 is pressed, the add-on print color is recognized as sepia, "2" is entered on the numeric keypad 36, and the asterisk key 31 is pressed. 31
When is pressed, it is recognized that the add-on print color is red, and when "6" is entered on the numeric keypad 36 and the asterisk key 31 is pressed, it is recognized that the add-on print color is blue. The color code information (which is notified to the controller section 25 when the developing units 14 to 16 are set at a predetermined position) indicates which developing colors are recognized and currently stored in the developing units 14 to 16 so that they can be developed. If the two do not match, rNON TONEJ is displayed on the message display 60, and a wait is made for the color to be changed or the developing unit to be set.

Then, only when the two match, the copy start key 34 is permitted, and the operator
When 4 is pressed, scanning of the document starts according to a predetermined copy sequence.

This allows an image from the original scan to be formed on the transfer paper during the first copying process, and then the flapper.

It is transported again to the position of the registration rollers 18 via a transport mechanism such as a feeding roller and an intermediate tray.

In parallel with this operation, the photosensitive drum 7 is exposed to light from the semiconductor laser 9 based on the print information corresponding to the add-on information input from the operation unit 26, and the photosensitive drum 7 is exposed to light corresponding to the add-on print color specified and input as described above. The development unit develops the add-on information in color.

The add-on information developed in color in this way is multi-transferred onto the re-fed transfer paper, and is ejected onto the paper ejection tray 24.

(Second add-on color information designation input) When the input of the add-on information as described above is completed, prompt the message display 60 to input add-on color information designation.
cOLLOR? When "J" is displayed, "11" is entered from the numeric keypad 36 and the asterisk key 31 is pressed. Accordingly, the mode for specifying and inputting add-on color information is set.

Here, when a document on which a barcode is drawn is placed on the document table 1 at an arbitrary position and the copy start key 34 is pressed, scanning of the document according to a predetermined copy sequence is started.

By scanning the original, a reflected image corresponding to the barcode is read by the image reading section 5, and is sent to the digital image controller 25 via the image reading controller 25c.
d is written into the image memory 91d.

Next, the CPU 91a reads and analyzes the barcode information written in the image memory 91d, and extracts print color data for the add-on information.

Then, the CPU 9 of the digital image controller 25d
The print color data extracted in 1a is sent to the main controller 2.
The CPU 81 determines whether the developed colors of the developing units 14 to 16 match through the two-bottom RAM 82C of the developing unit 5a.

If the two do not match, rNON TONERJ is displayed on the message display 60, and the process waits for the color to be changed or the developing unit to be set.

On the other hand, if the two match, for example if the color specified by the barcode is red, the developing unit 14 is selected, and the photosensitive drum 7 is printed with a semiconductor laser based on the print information corresponding to the add-on information input from the operation unit 26. Exposure from step 9 is executed, and the developing unit 14 corresponding to the add-on print color specified and input as described above develops the add-on information in color. This add-on information is multiple-transferred onto transfer paper that is fed again, and the add-on information and the original image are printed out in different colors.

Note that when outputting the add-on information and the original image in the same color as in the past, the multiple transfer sequence is not executed.
Executing exposure by the first and second exposure means simultaneously,
Output in one copy sequence.

[Third add-on color information designation input] When the input of the add-on information as described above is completed, the message display 60 is prompted to input add-on color information designation.
cOLLOR? When "J" is displayed, "12" is entered from the numeric keypad 36 and the asterisk key 31 is pressed, the third add-on color information specification mode (reading and inputting the barcode (not shown) color on the document A mode for specifying and inputting add-on color information is set according to the following.

Here, when a document on which a barcode is drawn is placed on the document table 1 at an arbitrary position and the copy start key 34 is pressed, scanning of the document according to a predetermined copy sequence is started.

By scanning the original, the reflected image and color corresponding to the barcode are read by the image reading section 5 and written into the image memory 91d of the digital image controller 25d via the image reading controller 25c.

Next, the CPU 91a reads and analyzes the barcode information and color information written in the image memory 91d, and extracts print color data for the add-on information. and,
The print color data extracted by the CPU 91a of the digital image controller 25d is sent to the CPU 91a of the main controller 25a.
The CPU 81 determines whether the developed colors of the developing units 14 to 16 match through the point RAM 82c.

Thereafter, a copy sequence based on the second add-on color information designation input is executed.

(Fourth add-on color information designation input) When the input of the add-on information as described above is completed, prompt the message display 60 to input add-on color information designation.
cOLLOR? When "J" is displayed, "13" is entered from the numeric keypad 36 and the asterisk key 31 is pressed, the fourth add-on color information specification mode (add-on color information dependent on the developer color of the developing units 14 to 16) is entered. A mode for specifying and inputting color information is set.

At this time, the message display 60 shows rF.
IRST DEV, BLACKJ are displayed,
By pressing zoom keys 44 and 45, rs
EcoND DEV, J, rTHIRD DEV
, J are displayed in rotation on the message display 60.

When the asterisk key 31 for selecting a developing unit displayed on the message display 60 is pressed, the color code of that developing unit is notified to the controller section 25, and from then on, copying by inputting the second add-on color information specification is performed. Processing according to the sequence is executed.

[Fifth add-on color information designation input] When the input of the add-on information as described above is completed, the message display 60 prompts for the input of add-on color information designation.
cOLLOR? When "J" is displayed, "14" is entered from the numeric keypad 36 and the asterisk key 31 is pressed, the fifth add-on color information specification mode (add-on color dependent on the color of a specific position of the document to be read) is entered. mode for specifying information input) is set.

Here, when a document on which a color image has been drawn is placed on the document table 1 at a specific position and the copy start key 34 is pressed, scanning of the document according to a predetermined copy sequence is started.

Through this document scanning, the image drawn at a specific position on the document is read by the image reading section 5, and is sent to the digital image controller 2 via the image reading controller 25c.
5d is written into the image memory 91d.

Next, the image information written in the image memory 91d is
The PU 91a reads out the color, analyzes the color, and extracts print color data for the add-on information. Then, the print color data extracted by the CPU 91a of the digital image controller 25d is transferred to the two-bottom RA of the main controller 25a.
Developing units 14 to 16 with CPU81 through M82c
It is determined whether the developed colors match.

Thereafter, processing based on the copy sequence based on the second add-on color information designation input is executed.

[Sixth add-on color information designation input] When the input of the add-on information as described above is completed, the message display 60 prompts the input of add-on color information designation.
cOLLOR? When "J" is displayed, "15" is entered from the numeric keypad 36 and the asterisk key 31 is pressed, the sixth add-on color information designation mode (developing the image exposed by the first exposure means) is started. A mode for specifying and inputting add-on color information dependent on the developer color of the developing unit is set.

Here, the 2-bot RAM 8 of the main controller 25a
Through 2C, the CPU 81 recognizes the color selected for the copying sequence among the developing units 14-16.

Then, when a document is placed on the document table 1 and the copy start key 34 is pressed, scanning of the document according to a predetermined copy sequence is started.

As a result, when the copy sequence for the original image is started and the transfer paper is transported by the transport mechanism, the copy sequence for the add-on information is restarted as described above, with the previously selected development unit selected. to obtain multiple transfer images of the same color.

[Seventh add-on color information designation input] When the input of the add-on information as described above is completed, the message display 60 prompts to input add-on color information designation.
cOLLOR? When "J" is displayed, "16" is entered from the numeric keypad 36 and the asterisk key 31 is pressed, the seventh add-on color information designation mode (developing the image exposed by the first exposure means A mode for specifying and inputting add-on color information dependent on the developer color of an arbitrary developing unit (priority is set in advance) that is different from the developing unit is set.

Here, the 2-bot RAM 8 of the main controller 25a
Through 2C, the CPU 81 recognizes the color selected for the copying sequence among the developing units 14-16.

Then, when a document is placed on the document table 1 and the copy start key 34 is pressed, scanning of the document according to a predetermined copy sequence is started.

As a result, when the original image copy sequence is started and the transfer paper is transported by the transport mechanism, a development unit different from the previously selected development unit is selected, and the copy sequence for the add-on information is restarted as described above. Then, multiple transfer images of the same color are obtained.

Note that the priority order of different developing units is - charger 1
2 is selected.

[Eighth add-on color information designation input] When the input of the add-on information as described above is completed, the message display 60 prompts for the input of add-on color information designation.
cOLLOR? When "J" is displayed, "r17" is entered from the numeric keypad 36 and the asterisk key 31 is pressed, the eighth add-on color information specification mode (character 1 figure drawn at a specific position of the document to be read or A mode for specifying and inputting add-on color information dependent on the decoding results of these combinations is set.

Here, when a document on which a color image has been drawn is placed on the document table 1 at a specific position and the copy start key 34 is pressed, scanning of the document according to a predetermined copy sequence is started.

By scanning the original, images corresponding to the nine characters on the original are read by the image reading section 5, and are written into the image memory 91d of the digital image controller 25d via the image reading controller 25c.

Next, the CPU 91a reads out the character 1 graphic information written in the image memory 91d, analyzes its color, and extracts print color data for the add-on information. Then, the extracted print color data is sent to the CPU 91a of the digital image controller 25d through the two-bottom RAM 82C of the main controller 25a, and then transferred to the developing unit 14 by the CPU 81.
It is determined whether the 16 developed colors match.

Thereafter, processing based on the copy sequence based on the second add-on color information designation input is executed.

In the above embodiment, a case has been described in which the add-on color information designation input is performed in combination with the numeric keypad 36, but an independent key may be provided to input settings.

Further, in the above embodiment, the case where the eight add-on color information designation inputs are set using the input designation code using the numeric keypad 36 has been described, but the eight add-on color information designation inputs may be automated by adding priorities.

Next, the add-on information color-based printing control operation according to the present invention will be explained with reference to FIGS. 8(a) and 8(b).

FIGS. 8(a) and 8(b) are flowcharts illustrating an example of the add-on information color-based printing control procedure according to the present invention. Note that (1) to (35) indicate each step.

Wait until input of add-on information for the original image is completed from the operation unit 26 (1). When input of add-on information is completed, rFORC0LLO is displayed on the message display 60.
2) to prompt the operator to input the print color of the add-on information.

Next, wait for input from the numeric keypad 36 (3), and when the asterisk key 31 is input, determine whether the number set on the numeric keypad 36 is "0 to 6" 4), Y
If it is ES, the color code specified by the number "0 to 6" is notified to the controller unit 25. Next, the system waits for the copy start key 34 to be pressed 5), and when the copy start key 34 is pressed, the exposure of the original image is started and the copying of the original image is executed 6), and the first copy is completed. The completed transfer paper is transported via the transport mechanism to the position where the registration rollers 18 are disposed (7).

Next, set the developing unit corresponding to the notified color code (8), start exposure corresponding to the add-on information, and add-on information developed in the specified color to the add-on area of the re-fed transfer paper. Transfer (9) and eject the paper.

On the other hand, if the judgment in step (4) is NO, it should be judged whether the number set on the numeric keypad 36 is "11" (10), YE
If it is S, it will wait for the copy start key 34 to be pressed (11), and when the copy start key 34 is pressed,
The exposure of the original image is started to copy the original image, and the image reading unit 5 reads the barcode drawn on the original.
Waits for the bar code to be read (12), analyzes the read bar code, extracts a color code that becomes the print color information of the add-on information (13), notifies the controller unit 25, and returns to step (6).

On the other hand, if the determination in step (10) is No, it is determined whether the number set on the numeric keypad 36 is "12"14), and Y
If it is ES, it waits for the copy start key 34 to be pressed (15), and when it is pressed, it starts exposing the original image and executes copying of the original image, as well as the barcode drawn on the original and its barcode. Color image reading unit 5
Waits for the barcode to be read (16), analyzes the read barcode and barcode color, extracts the color code that will be the print color information for the add-on information (17), notifies the controller unit 25, and proceeds to step (6). return.

On the other hand, if the determination in step (14) is NO, it is determined whether the number set on the numeric keypad 36 is "13"18), and Y.
If it is ES, the selection of development units 14 to 16 should be 1.
9) When selected, waits until the copy start key 34 is pressed 20). When pressed, exposure of the original image is started and copying of the original image is executed.

Then, set the selected developing unit 21).
Return to step (9).

On the other hand, if the determination in step (18) is NO, it is determined whether the number set on the numeric keypad 36 is "14"22), and Y
In the case of ES, the system waits for the copy start key 34 to be pressed (23), and when pressed, starts exposure of the original image to execute copying of the original image, and also changes the color of the image drawn at a specific position on the original. wait for the image reading unit 5 to read the image 24), analyze the read image color, and extract the color code that becomes the print color information of the add-on information 25);
The controller unit 25 is notified, and the process returns to step (6).

On the other hand, if the determination in step (22) is NO, it is determined whether the number set on the numeric keypad 36 is "15"26), and Y.
If it is ES, it will wait for the copy start key 34 to be pressed (27), and when pressed, it will start exposing the original image and copying the original image, as well as start the development unit that develops the exposed image of the original. The color code is notified to the controller section 25 (28), and the process returns to step (6).

On the other hand, if the determination in step (26) is NO, it is determined whether the number set on the numeric keypad 36 is "16"29), and Y
If it is ES, it waits for the copy start key 34 to be pressed (30), and when it is pressed, it starts exposing the original image and executes copying of the original image, as well as a developing unit that develops the exposed image of the original. The controller section 25 is notified of the color codes (priority orders have been determined) of the developing units capable of different developing operations (31), and the process returns to step (6).

On the other hand, if the determination in step (29) is No, it is determined whether the number set on the numeric keypad 36 is "17"32), and Y
If it is ES, it will wait for the copy start key 34 to be pressed (33), and when pressed, it will start exposing the original image and execute the copying of the original image, and at the same time copy one character drawn at a specific position on the original. 34), waits for the image reading section 5 to read the image, analyzes the color from the read character 1 figure, and extracts a color code that becomes the print color information of the add-on information 35), notifies the controller section 25, and then performs step 34). (
Return to 6).

On the other hand, if No in step (32), the process returns.

[Effects of the Invention] As explained above, the present invention provides an add-on information input means for inputting predetermined add-on information, and an add-on color information input means for specifying and inputting a print color for the add-on information input by the add-on information input means. and the first one on the transfer paper.
The original image exposed onto the photoreceptor by the second exposure means and the add-on information exposed onto the photoreceptor by the second exposure means,
Since a transfer control means is provided that performs multiple transfer for each color while selecting a plurality of developing units based on the add-on color information input from the add-on color information input means, the add-on information can be combined with the original image by a simple color specification operation. In addition to being able to print in different colors, the add-on information and the original image can be printed in the same desired color.

Therefore, it is possible to clearly identify the add-on information and the original image.

[Brief explanation of the drawing]

FIG. 1 is a block diagram illustrating the configuration of an image forming apparatus showing an embodiment of the present invention, FIG. 2 is a plan view illustrating the configuration of the operating section shown in FIG. 1, and FIG. 4 is a circuit block diagram illustrating the configuration of the controller section shown in FIG. 1.
5 is a block diagram illustrating the configuration of the main controller shown in FIG. 3, FIG. 5 is a block diagram illustrating the configuration of the digital image controller shown in FIG. 3, and FIG. A block diagram illustrating the configuration of the laser unit controller shown in FIG. 7 is a block diagram illustrating the configuration of the image reading controller shown in FIG.
Figures (a) and (b) are flowcharts illustrating the add-on information printing control operation procedure according to the present invention. In the figure, 1 is a document table, 2 is a document scanning unit, 3 is a scanning mirror, 4 is a zoom lens, 5 is an image reading unit, 6.10
1 is a folding mirror, 7 is a photosensitive drum, 8 is a polygon mirror, 9 is a semiconductor laser, 11 is a pre-exposure lamp, 12 is a primary charger, 13 is a potential sensor, 14 to 16 are developing units, 17 is a paper feed section, 18 19 is a registration roller, 19 is a transfer charger, 20 is a separation charger, 21 is a cleaner section, 22 is a conveyor belt, 23 is a fixing device, and 24 is a paper discharge tray. Figure 3 Kube Figure 4 Figure 5 Figure 7 Figure 5c

Claims (1)

[Claims] In an image forming apparatus having a plurality of developing units with different development colors, a first exposure means that exposes a photoreceptor to a document image using an optical system, and a second exposure means that exposes the photoreceptor to light based on digital information. , an add-on information input means for inputting predetermined add-on information; an add-on color information input means for specifying and inputting a print color for the add-on information input by the add-on information input means; The original image to be exposed on the photoreceptor and the add-on information to be exposed on the photoreceptor by the second exposure means are transferred to a plurality of developing units based on the add-on color information input from the add-on color information input means. 1. An image forming apparatus comprising: a transfer control means for selectively performing multiple transfer for each color.