CN106210441B - Erasing device, the recycling management method of recording medium and image forming apparatus - Google Patents
Erasing device, the recycling management method of recording medium and image forming apparatus Download PDFInfo
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- CN106210441B CN106210441B CN201510363339.2A CN201510363339A CN106210441B CN 106210441 B CN106210441 B CN 106210441B CN 201510363339 A CN201510363339 A CN 201510363339A CN 106210441 B CN106210441 B CN 106210441B
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Abstract
The present invention relates to erasing device, the recycling management method of recording medium and image forming apparatuses.Inhibit to error detection occurs when background color is the recording medium colour killing other than white.The erasing device of embodiment has：Reading part reads the image in recording medium；Colour killing portion, to the image colour killing in recording medium；Delivery section is again fed to reading part after recording medium is transported to colour killing portion from reading part；Background color information acquiring section obtains the background color information of recording medium before the colour killing that colour killing portion carries out；And control unit, the background color of the recording medium before the colour killing obtained by background color information acquiring section is compared with the image after the colour killing read by reading part, and execute the processing of result based on this comparison.
Description
Technical field
Embodiment described in this specification is related to the recycling management control technique of the recording medium in erasing device,
More particularly to recycling management control technique when colour killing is carried out to the printing image of the recording medium other than white.
Background technology
In the past, the recording medium (paper) that image formation is carried out with colour killing toner, is filled to recycle by colour killing
Set eliminating image.Erasing device by paper sheet delivery to colour killing portion and execute toner colour killing processing after, judge whether complete disappear
The paper of colour killing to required standard is discharged to recycling pallet by color, to maintain, manage the quality of recording medium.In colour killing
In device, the image by reading in paper with scanner again after colour killing acts is carried out whether there is or not the judgement that the colour killing is completed, and one
As for mostly be handle background color be white paper.Therefore, it is being paper erasing device colour killing other than white to background color
In the case of, have the shortcomings that following (problem)：Although colour killing toner fully eliminates, but still detects background color,
Colour killing is mistaken for not complete, the original paper that can be recycled is not discharged to recycling pallet, or the result of this colour killing is recorded,
Save as keeping use or historical data.
There are the patent documents of the prior art as disclosure, using whether there is or not image detection portions to differentiate that the color of paper is
It is no to be white and store respectively.
Invention content
Technical problems to be solved by the inivention
However, in such prior art, by other than the white of desired recycling recording medium, other than such as white
Background color dust-free paper etc., be mistaken for being unable to colour killing and cannot recycling.
The purpose of embodiment is that providing can inhibit to production when background color is the recording medium progress colour killing other than white
Raw error detection and the technology for being supplied to recycling.
Solve the technical solution of technical problem
The erasing device of embodiment has：Reading part reads the image in recording medium；Colour killing portion, to recording medium
On image carry out colour killing；Delivery section conveys again after the recording medium is transported to the colour killing portion from the reading part
To the reading part；Background color information acquiring section obtains the background color information of recording medium before the colour killing that the colour killing portion carries out；
And control unit, compare the background color of the recording medium before the colour killing obtained by the background color information acquiring section with by described
Image after the colour killing that reading part is read, and execute the processing of result based on this comparison.
The recycling management method of the recording medium of embodiment, which uses erasing device, described
Erasing device have read the reading part of the image in recording medium, to the colour killing portion of the image colour killing in recording medium and
Recording medium is delivered to the delivery section for being delivered to the reading part behind the colour killing portion again from the reading part, it is described sharp again
The identification information for configuring the background color of the recording medium on the recording medium with management method, by it is being read by the reading part,
The background color of recording medium before colour killing is compared with the image after colour killing, and executes the processing of result based on this comparison.
A kind of image forming apparatus, including above-mentioned erasing device.
Description of the drawings
Fig. 1 is the structure chart of the erasing device of each embodiment.
Fig. 2 is the block diagram of the erasing device of each embodiment.
Fig. 3 is the figure in each region for the paper for showing first embodiment.
Fig. 4 is the action flow chart of the erasing device of embodiment.
Fig. 5 is the figure of the picture of the setting pattern for the selection background color information for showing second embodiment.
Fig. 6 is an example of the picture for the background color for setting second embodiment.
Fig. 7 is another example for the picture for setting background color.
Fig. 8 is the figure for the system structure example for showing third embodiment.
Fig. 9 is the figure of an example of the structure for the paper for showing third embodiment.
Figure 10 is the figure of an example of the background color identification information for showing third embodiment.
Figure 11 is the flow chart of an example of the background color determination processing for showing the 4th embodiment.
Specific implementation mode
The erasing device of embodiment has：Reading part is read as the image on the paper of recording medium；Colour killing portion,
Colour killing is carried out to the image on paper；Delivery section is again fed to reading part after paper is transported to colour killing portion from reading part；Bottom
Color information acquiring section obtains the background color information of paper before the colour killing that colour killing portion carries out；And control unit, compare and passes through background color
Image after the background color of paper before the colour killing that information acquiring section obtains and the colour killing for passing through reading part reading, executes and is based on the ratio
The processing of relatively result.
Here, the structure as the acquisition unit background color information for obtaining background color information, is roughly divided into：
(1) structure of the background color information of paper is obtained by the image that reading part is read before colour killing processing,
(2) when executing colour killing user set paper background color, obtain the structure of the background color information of the setting.
(2) structure is suitably arranged at the background color of the paper of erasing device all identical situations etc..
Moreover, the structure of above-mentioned (1) can for example enumerate：
The background color of the white space for the image discriminating paper that (1-1) basis is read by reading part simultaneously obtains background color information
Structure,
(1-2) configures the identification information of the background color of the medium on the recording medium, is obtained by reading above-mentioned identification information
The structure of background color information.
Hereinafter, the structure of (1-1) is described in detail in first embodiment respectively with reference to attached drawing, it is detailed in second embodiment
The structure of (1-2) is described in detail in third embodiment in the structure for illustrating (2), and the detailed description of the 4th embodiment has all
These structure.
(first embodiment)
Fig. 1 is the structure chart of erasing device.The erasing device 100 of first embodiment can be to being formed with various images
The image of the paper (recording medium) of (printing information) carries out colour killing, and the recycling of paper may be implemented.Erasing device 100 has
Sheet feed section 10, the first transport path 11, the second transport path 12, the first reading part 13A, the second reading part 13B, colour killing portion 15,
Conveying roller 16, route diversion portion (switching part) 17, first paper discharge unit 19, the second paper discharge unit 20.
For the image colour killing to the paper P to be recycled, inside paper supply of the sheet feed section 10 to erasing device 100.Paper supply
Portion 10 has paper supply tray 22 and pick-up roller 18.Paper supply tray 22 carries paper P.Pick-up roller 18 takes out one by one from paper supply tray 10
Paper P simultaneously passes out to the first transport path 11.
First transport path 11, the second transport path 12 have multiple conveying rollers 16, and conveying roller 16 is by driven roller and driven
Roller is to constituting.First transport path 11 has a pair the first reading part 13A and the second reading part 13B.First reading part 13A and
Two reading part 13B have two-dimensional CCD scanner.First reading part 13A reads the list of the paper P conveyed from sheet feed section 10
Face, the second reading part 13B read the face of the opposite side of the reading face of the first reading part 13A.It is read by the first reading part 13A and second
The image that portion 13B is read is taken to be saved in RAM (the Random Access Memory as storage part：Random access memory)
203 (with reference to Fig. 2).It is not limited to by the preservation destination of the first reading part 13A and the second reading part 13B image read
RAM203 can also be HDD (not shown) (Hard disk drive：Hard disk drive) etc. other storage mediums.
The image read by the first reading part 13A and the second reading part 13B is not limited to be saved in erasing device 100
RAM203 can also be saved in the RAM402 of the RAM302 and printer 102 of client rs PC 101.In addition, because to user into
Row personal authentication, when be have login, exit function erasing device 100 when, when exiting erasing device 100, can will protect
There are RAM302 or printer 102 that the data of the image of the RAM203 of erasing device 100 are sent to client rs PC 101
RAM402 is simultaneously preserved.
The the first reading part 13A and the second reading part 13B of present embodiment are before colour killing processing, in order to judge that paper P is
It is no to use and extract out white space and determine background color, read the surface of paper P.
In addition, the first reading part 13A and the second reading part 13B colour killing processing after, in order to determine background color and judge paper P
Printing whether by colour killing, read the surface of paper P.
Fig. 3 is the figure of an example of the paper for showing first embodiment.As shown, paper P is in paper entirety
Side (direction up and down of figure) forms white space 1001.The white space 1001 is by specifying phase in image printing
The region that the numerical value (for example, 25 (mm), 30 (mm) etc.) of the blank amplitude of paper is set, even if referring to this cannot be obtained
In the case of fixed numerical value, it is white space that can also estimate the end side of paper and the uniform position of image color.
Alternatively, can also be set as follows：By the slave paper as hair space width requirement in general printer
The width that whole side starts 5mm or so is considered as white space.Even moreover, with other than the specified white space of numerical value
It region, also can be by above-mentioned sky in the case where the blank parts of no word, image are more that is, as the region of printing object
It is white space that white part, which increases,.
The region for being determined as white space in erasing device is known as white space 1001 below, white space will be used as
The region of regional processing in addition is known as blank and is illustrated with exterior domain 1002.
Fig. 1 is turned again to, illustrates the structure of erasing device 100.
First transport path 11 is connected to the first paper discharge unit 19 or the second paper discharge unit 20 from sheet feed section 10.Second transport path
12 from the branch point branch in the downstream of the first reading part 13A and the second reading part 13B of the first transport path 11, in the first conveying
The point of the upstream of the first reading part 13A and the second reading part 13B in path 11 converges.It is configured with route diversion in branch point
Portion 17.
Second transport path 12 has colour killing portion 15 in transport path.Colour killing portion 15 has roller pair 21 and heater 205.
Roller pair 21 is heated by heater 205.Via the roller pair 21 after being heated using heater 205, more than a certain amount of temperature is applied to paper P
Degree or heat, to heat with can colour killing Image forming material formed paper P image, keep color material decolorizable.Colour killing portion 15
Image colour killing is carried out by roller pair 21, so as to carry out the two-sided image colour killing of paper P.
In erasing device 100, can repeatedly it be read using the first reading part 13A and the second reading part 13B.That is,
Erasing device 100 has a circular transport path as shown in the figure, paper P from sheet feed section 10 by the first transport path 11 simultaneously
The two-sided reading of paper is carried out using the first reading part 13A and the second reading part 13B, is then led to after colour killing portion 15 carries out colour killing
The second transport path 12 is crossed, the two-sided reading of paper can be carried out using the first reading part 13A and the second reading part 13B again.
During the first time of first reading part 13A and the second reading part 13B before colour killing reads, in order to whether judge paper P
Because fold or bookbinding, folding, can not colour killing notes etc. due tos it is unusable, and determine (identification) white space 1001 and differentiate
The background color in the region makes the image electronic read and is saved in storage part.
First reading part 13A and the second reading part 13B is in order to judge whether paper is recycling, and second is executed after colour killing
Secondary reading.The whether recycling judgement is carried out according to the whether consistent benchmark of the front and back background color of colour killing processing.
Paper discharge unit 23 has the first paper discharge unit 19 and the second paper discharge unit 20.The paper P for implementing various processing is discharged to
Any of one paper discharge unit 19 or the second paper discharge unit 20.In the present embodiment, a side of paper discharge unit 19 and 20 becomes and is arranged
Going out has the recycling pallet of recycling paper P, and another party, which becomes, is discharged the discarded of discarded paper P because non-reusable
Pallet.User can be selected by the setting operation of 100 main body side of erasing device or the operation of client rs PC 101 by paper discharge unit
19 and paper discharge unit 20 which be used as recycle or discarded pallet.Illustrate that it is to recycle support to set the first paper discharge unit 19 below
The case where disk, the second paper discharge unit 20 are discarded pallets.
In the present embodiment, in order to use erasing device 100 to execute colour killing, substantially, it is assumed that the various figures on paper
As (printed data) by can colour killing color material print.Therefore, illustrate the color material with colour killing using printer (not shown) below
Print the processing after various images (printed data).
Fig. 2 is the block diagram of erasing device 100.CPU (the Central of control unit as erasing device 100
Processing Unit：Central processing unit) 200 via system bus 201 and ROM (Read Only Memory) 202,
RAM203, the ccd sensor 204 of the first reading part 13A and the second reading part 13B, colour killing portion 15 heater 205, come
The interface (I/F) 206 of input from the data of external device (ED) and the output of the data to external device (ED) connects.CPU200 can be with
By the I/F206 connected via system bus 201, carry out various outer with user terminal (client rs PC) or the network printer etc.
The communication of part device.
In addition, route diversion portion drive control part 207, control driving conveying rollers of the CPU200 with control path changing unit 17
The paper sheet delivery drive and control of electric machine portion 208 of paper sheet delivery motor 209, operation portion 210 and display unit 211 connect.
Be stored in ROM202 for make CPU200 act program and as the various of the pointer that could be recycled
Data, for example, the printing rate and concentration threshold of paper, the bottom for determining white space 1001 from the image of reading and differentiating paper P
The color parameter of color and the correspondence table of background color etc..Furthermore it is also possible to store the position (number of the above-mentioned white space of each paper
Value, coordinate etc.) initial setting data, or change initial setting when setting data.Moreover, in the image reading of first time
In the case of depth of middle judgement fold etc., the concentration threshold of depth for judging fold etc. is stored.
RAM203 stores the image that can be obtained in the image reading of paper P.Ccd sensor 204 is configured to an alignment
Sensor, detection paper P's is deep or light.Heater 205 is using IH heaters etc., in paper P by 15 period of colour killing portion via roller
Keep color material decolorizable 21 pairs of paper P heating.
Operation portion 210 has the board-like display unit 211 of touch surface and various keys, such as configures in the upper of destructor main body
Portion.Operation key has such as number key, stop key, start key.Display unit 211 shows the various places for including erasing device 100
The set information and action state of reason pattern, log information or the message that user is sent.User can be via operation portion
210 progress colour killings beginning and stopping (interruption), above-mentioned each paper white space position (numerical value) setting and be used for
Change the setting etc. of various initial setting states.
CPU200 drives route diversion portion 17 by control path changing unit drive control part 207, is assigned as defeated from first
It send path 11 to convey paper P to the second transport path 12, or is assigned as from the first transport path 11 to the first paper discharge unit 19, second
Paper discharge unit 20 conveys paper P.
In addition, CPU200 is according to the first reading part 13A and the second reading part 13B figures that (before image colour killing) is read for the first time
Picture, determines the white space 1001 of paper P, stores white space 1001 and blank with coordinate of the exterior domain 1002 on paper simultaneously
Determine the background color of white space 1001.
Moreover, CPU200 is according in second of (after image colour killing) reading of the first reading part 13A and the second reading part 13B
Image determines blank with the background color of exterior domain 1002, by above-mentioned background color and the white space 1001 determined when reading first time
Background color be compared.
Fig. 4 is the action flow chart of the erasing device 100 of embodiment.The hypothesis of following situation is made below to be said
It is bright：The case where being handled in the state that various paper mix by erasing device 100, that is, background color is white or white
The paper of a variety of colors in addition, which mixes, is mounted in sheet feed section 10, and the image being printed on paper is can colour killing color material or non-colour killing
The color material of property.
The operation portion 210 of user's operation erasing device 100 or the operation portion 303 of user PC101 input colour killing processing and start
Instruction after, CPU200 to paper sheet delivery drive and control of electric machine portion 208 and each portion output control signal to carry out paper supply action.By
This, sheet feed section 10 works and 1 paper P of the upside being mounted in multiple paper of paper supply tray 22 is passed out to the first conveying
Path 11 (action 101).
The paper P of the first transport path 11 is passed out to by sheet feed section 10, next by scanner (the first reading part 13A,
Second reading part 13B) two-sided image (first time before colour killing reads) is read, the image of the two-sided part read is stored in
In RAM203 (action 102).
The image that CPU200 is read according to this, judgement paper P whether because fold or bookbinding, folding, can not colour killing pen
Note etc. and (action 103) cannot be used, in the case that non-serviceable, each portion is controlled, as the paper handled without colour killing
(action 103, no) both handles without colour killing or without second of image reading, is expelled to discarded pallet (in this embodiment
For the second paper discharge unit 20) (action 104).
Therefore, in this case, controlled so that paper P is not via the second transport path 12 and from the first transport road
Diameter 11 is transported to the second paper discharge unit 20.In addition it is also possible to according to setting or the situation etc. of paper, carry out via the second transport path
12 control, but in this case, also without the colour killing in colour killing portion 15 processing and the first reading part 13A and the second reading part
The image reading processing again (for the second time) of 13B.
On the other hand, it is determined as workable (action 103, yes) in action 103, CPU200 obtains paper P
Background color information (action 105).In the present embodiment, according to the image read in action 102, as described above, carrying out empty
Determination, white space 1001 and the blank of white region 1001 are deposited with position (numerical value of coordinate) on the paper of exterior domain 1002
It stores up, the determination of the background color of white space 1001, and these data are stored to RAM203.
Then, CPU200 control paths changing unit 17 and each portion make paper P be transported to colour killing portion 15, are executed by colour killing portion 15
Colour killing processing (action 106) to paper P.By above-mentioned processing, paper P is heated to set point of temperature, uses colour killing toner
Deng the image that is formed on paper P of achromicity color material it is decolorizable throughout sheet material two sides.On the other hand, to non-achromicity
The image that color material is formed on paper P is without decolorizable.
It carries out colour killing treated paper P and is sent to the first transport path 11 again via the second transport path 12, execute the
Second of image reading (action 107) of one reading part 13A and the second reading part 13B.CPU200 based on the image read,
Carry out the whether consistent judgement of background color (action 108), control each portion so that judge result for "No", that is, inconsistent in the case of
Paper (action 104) is discharged with pallet to discarded, in the case where judgement result is "Yes", that is, unanimous circumstances to recycling pallet discharge
Paper (action 109).
Here, the whether consistent judgement of background color carries out as follows：It will schemed by the first reading part 13A and the second reading part 13B
As after colour killing (for the second time) in the image of reading, blank extracted out using the image of exterior domain 1002 as background color image, and will be above-mentioned
Background color image is compared with the image of the white space 1001 in the image that (first time) before image colour killing reads.Moreover, in background color
The difference of the brightness of color, chroma, deep or light etc. is converged in defined error and threshold between image and the image of white space 1001
In the case of in value, CPU200 is determined as that background color is consistent, and more than defined error and threshold value, CPU200 is determined as
Background color is inconsistent.
Present embodiment as progress by handling, even if can be with if the case where background color of paper P is other than white
High standard be made whether it is recycling, i.e. whether by the judgement of normal colour killing.
(second embodiment)
Hereinafter, illustrating second embodiment.The appropriate explanation omitted to the part being the same as the above first embodiment.
In this second embodiment, it is the knot for the background color that user specifies the paper used by erasing device before colour killing
Structure.Other primary structures illustrate difference below such as Fig. 1 and Fig. 2 explanations.
In this second embodiment, the paper surface before colour killing is handled is exclusively carried out to judge whether paper P can be used
Reading, therefore, without as first embodiment white space extraction and background color determine processing.
Fig. 5 is shown as the setting pattern for selecting background color information and the picture shown.The picture is aobvious before executing colour killing processing
Show in the display unit 211 that colour killing is handled, or shown as the setting screen for the driver for being stored in client rs PC 101.Below
Illustrate the case where the display unit 211 that colour killing is handled is shown.
When selecting button (icon) of " from stencil-chosen " by the input operation of operation portion 210 from the display picture of Fig. 5,
Using the control of CPU200, as shown in fig. 6, show paper selected to use background color (" white ", " tea ", " red ", " orange ", " green ",
" indigo plant " etc.) background color select picture.In the background color selects picture, it is not limited to the example of Fig. 6, preferably selectively shows conduct
The background color of the commercially available various paper of practical colored paper.
Picture is selected to select a background color (such as " dark brown ") simultaneously by the input operation of operation portion 210 from the background color of Fig. 6
When selecting " determinations " button, by the numerical information of background color corresponding with the background color of selection, such as R, G, B it is each be worth (such as 0~
The value of 255 range) information storage to RAM203.On the other hand, the picture of Fig. 5 is returned when selection the " Cancel " button.
When selecting button (icon) of " input numerical value " by the input operation of operation portion 210 from the display picture of Fig. 5, profit
With the control of CPU200, as shown in fig. 7, the input background color numerical value picture of the background color for the paper that display is used with numerical value input.?
In the input background color numerical value picture, the respective values of RGB of background color are inputted with the numerical value of 0~255 range, pass through operation portion 210
When being respectively worth and selecting " to determine " button of digital key input operation input RGB, the information (each value of R, G, B) of the background color of selection
Store RAM203.On the other hand, the picture of Fig. 5 is returned when selection " cancellation " " button.
Hereinafter, illustrating to act with reference to flow chart.
User is via above-mentioned background color selection picture or input background color numerical value picture, the background color setting of the paper used
Afterwards, the operation portion 210 of operation erasing device 100 or the operation portion 303 of user PC101 and the instruction for inputting colour killing processing beginning.
Respond above-mentioned instruction, CPU200 be carry out paper supply action and to paper sheet delivery drive and control of electric machine portion 208 and each portion
Output control signal.Sheet feed section 10 works as a result, and 1 paper P of the upside being equipped in the paper of paper supply tray 22 is sent
To the first transport path 11 (action 101).
The paper P of the first transport path 11 is sent to then by scanner (the first reading part 13A, the second reading part 13B)
Image (first time before colour killing reads) is read, the image of reading is preserved to RAM203 (action 102).
At this point, CPU200 according to the spectral discrimination paper P of the reading whether because of fold or bookbinding, fold, be unable to colour killing
Notes etc. and (action 103) cannot be used, in the case that non-serviceable, each portion is controlled, as the paper handled without colour killing
(action 103, no) is opened, both handled without colour killing or without secondary image reading, was expelled to discarded pallet (at this
It is the second paper discharge unit 20 in example) (action 104).The processing of the action 104 is same as first embodiment.
On the other hand, workable (action 103, yes) is judged in action 103, CPU200 obtains paper P's
Background color information (action 105).In the present embodiment, it as the background color information of paper P, reads user's selection or progress numerical value is defeated
Enter and is stored in the background color information in RAM203 (each numeric data of RGB).
Therefore, in the present embodiment, when reading first time, determination, sky without above-mentioned white space 1001
White region 1001 and blank are with the storage of the position (numerical value of coordinate) on the paper of exterior domain 1002, the bottom of white space 1001
The determination etc. of color.
In addition, colour killing treated second read after judgement (action 108) in, judge background color in the following way
It is whether consistent：Will by the first reading part 13A and the second reading part 13B after image colour killing (for the second time) read, spread paper P
The image of whole region extracted out as background color image, and by above-mentioned background color image and user select or progress numerical value input and deposit
The background color information (each numeric data of RGB) stored up in RAM203 compares, and whether the color of judgement background color image shows background color information
RGB each numeric data value, more specifically, whether the color distortion of both sides within defined feasible value.
(variation)
In the above example, if the background color for the sheet material that user can specify is only 1 (a kind).In contrast, can also set
The background color for determining the sheet material that user can specify is 2 (2 kinds) or more.In this case, in the judgement of action 108, CPU200
Will by the first reading part 13A and the second reading part 13B after image colour killing (for the second time) read, throughout whole areas of paper P
The image in domain is extracted out as background color image, and selects with user or carry out numerical value input and be stored in above-mentioned background color image
Multiple background color information (each numeric data of RGB) of RAM203 compare, and the color of judgement background color image indicates whether some bottom
The value of each numeric data of the RGB of color information.Then, above-mentioned example is the erasing device for having 2 paper discharge units (discharge tray)
The case where, the erasing device of the paper discharge unit (discharge tray) with 3 or more the case where, it can also specify as follows：Specified row
One of paper portion (discharge tray) is discarded pallet, the bottom for the sheet material that other multiple paper discharge units (discharge tray) and user are specified
Color is mapped, by color assignment.
(third embodiment)
Hereinafter, illustrating third embodiment.The appropriate explanation for omitting pair part identical with above-mentioned first embodiment.
Fig. 8 is the system construction drawing of third embodiment.As system structure, colour killing system has such as erasing device
100, client rs PC (Personal Computer：Personal computer) 101, as the printing equipment of printing base colour identification information
Printer 102.In addition, each component of system is interconnected via network 103.
In the third embodiment, erasing device 100 (records the paper for being formed with background color identification information and various images
Medium) image carry out colour killing, realize the recycling of paper.Other primary structures as in fig. 1 and fig. 2 illustrate as, with
Under illustrate difference.
Client rs PC 101 is communicated via network 103 with erasing device 100 and printer 102, to erasing device 100,
The output instruction of printer 102, to carry out the various processing such as colour killing or printing.In addition, client rs PC 101 can be via network 103
Various settings are carried out to erasing device 100, printer 102.About these instruction and setting, will be used for erasing device 100, beat
The software (driver) that print machine 102 communicates is installed to client rs PC 101, and input behaviour is carried out by the various pictures of above-mentioned driver
Make.
Printer 102 is used to aftermentioned background color identification information being printed onto the white space of paper (recording medium).At this
In embodiment, the size of the paper used, the white space of paper position (coordinate), the position configured with background color identification information
It the data such as sets, can be shared between erasing device 100 and printer 102.
In the present embodiment, because using erasing device 100, it is therefore assumed that the various images (printed data) on paper
With can colour killing color material printing.On the other hand, from the viewpoint of recycling paper repeatedly, preferably background color identification information is disappeared with non-
The color material of color prints.
Therefore, following situation is assumed below：Printer 102 is to form image on paper two sides using the color material of non-colour killing
Type, e.g. use the laser mode of the color material of non-colour killing or the device of ink-jet mode, and using printer 102 by background color
Identification information is pre-printed onto on paper, thereafter, various using the color material printing of colour killing using other printers (not shown)
Image (printed data).
But not limited to this, for example, can also be used as printer 102 can use the color material of non-colour killing and the color of colour killing
The device of the type of the both sides of material.In this case, printer 102 can be advance by background color identification information with the color material of non-colour killing
It is printed onto on paper, thereafter, prints various images (printed data) with the color material of colour killing.Or in contrast, can with
After the color material of colour killing prints various images (printed data), background color identification information is printed onto paper with the color material of non-colour killing
On.
Fig. 9 is the figure of an example of the structure for the paper for showing third embodiment.As shown, third embodiment
Paper P paper entirety side (direction up and down of figure) set white space 1001.Moreover, in above-mentioned clear area
Configuration indicates the background color identification information 1003 of the background color of paper P in domain.
Background color identification information 1003 is configured to that multiple printing marks 1004 formed by the dot matrix of n × m are arranged.Fig. 9's
In example, as a background color identification information 1003,4, the overleaf total 10 of configuration 6 printing mark are configured in paper surface
Note 1004.Figure 10 amplifies printing mark 1004 to indicate.In the present embodiment, as shown, 1 printing mark 1004 by
The dot matrix of 8dot × 9dot is constituted.
In the present embodiment, the printing mark 1004 for constituting background color identification information 1003 can be only fitted to the two of paper P
The white space in face.More specifically, configure printing mark 1004 position, as shown, be paper P table in clear area
Upper left side in domain and at the 4 of lower right side.In other words, the first reading part 13A for detecting printing mark 1004 and second is read
It is 4 regions of total of the upper left on two sides and bottom right in the table of paper P to take the reading area of portion 13B.In addition, being configured at one
In the case that position is configured with multiple printing marks 1004, the conveying direction along paper P linearly configures.
Moreover, the background color identification information 1003 of present embodiment, can set the conjunction of printing mark 1004 according to background color
It counts or configuration mode is different.That is, the color identification information being made of 2 printing marks 1004 with by 3 printing marks 1004
The color identification information of composition, indicates mutually different background color.In addition, even if in the case where being made of 2 printing marks 1004,
2 situations are configured in single side and each face respectively configures 1 situation in table, also illustrate that mutually different background color.Moreover, even if
In printing mark 1004 in the case where single side configures 2,2 situations are configured in top left region and in each of upper left and bottom right
Region respectively configures 1 situation, also illustrates that mutually different background color.
By using above-mentioned structure, the background color identification information 1003 of present embodiment can either ensure unique according to background color
Printing mark 1004 configuration, and multiple background colors can be distributed.
In addition, in the present embodiment, position (with reference to Fig. 9) the configuration background color pre-defined in white space 1001 is known
Other information 1003, thus can in the table for the paper P that the paper supply tray 22 of setting carries and up/down state independently, with height
The reading of precision progress background color identification information 1003, whether there is or not the judgements of printing mark 1004 and the determination of corresponding background color (to know
The processing such as not).
In addition, the position on the paper P configured with printing mark 1004, if can ensure that be in white space 1001, by
According to the configuration of the unique printing mark of background color 1004, then it is not particularly limited.In addition, in order to configure printing mark 1004, it should be true
The width of the white space 1001 of guarantor is also not particularly limited, as long as ensuring to want as hair space amplitude in general printer
The amplitude of the 5mm asked or so.
Moreover, the quantity of n × m of dot matrix about printing mark 1004, is not particularly limited, as long as the first reading part
13A and the second reading part 13B can be read, and the lattice energy of n × m is identified by CPU200.In the present embodiment, in order to high-precision
Degree carries out the reading of dot matrix, if the resolution ratio of printing mark 1004 is main operation × subscan=96dpi × 100dpi.
Further, as long as background color identification information 1003 can be read by the first reading part 13A and the second reading part 13B, table
Its other party such as show the background color identification information of determining background color and can be identified by CPU200, such as bar code can also be set as
Formula.Therefore, according to the mode of background color identification information, even the structure of single side one background color identification information of configuration in paper P
Even.
During the first time of first reading part 13A and the second reading part 13B before colour killing reads, in order to whether judge paper P
Because fold or bookbinding, fold, be unable to the notes etc. of colour killing due tos cannot use, and read white space background color identification information
1003 and determine (identification) background color, by the image electronic of reading and be stored in storage part (RAM203).First reading part 13A
And second reading part 13B be whether judgement paper recycling, second is executed after colour killing and is read.
It is stored in the ROM202 of the erasing device 100 of third embodiment：The program for making CPU200 act, as again
Using could pointer various data, for example, the printing rate and concentration threshold of paper, from the image discriminating paper P's of reading
The color parameter of background color and the correspondence table of background color, the paper of each printing mark 1004 for reading background color identification information 1003
The reading area of white space and printing mark, for the background color from the background color identification information 1003 of reading identification paper P, print
The configuration mode of brush label 1004 and the correspondence table of background color etc..
Wherein, a configuration example as the configuration mode of printing mark 1004 and the correspondence table of background color, can enumerate by
The configuration mode of printing mark 1004, background color name (or background color ID), as the color parameter for constituting background color RGB each numbered
According to associated table.
In the third embodiment, the CPU200 of erasing device 100 is from the first reading part 13A and the second reading part 13B
Extraction background color identification information 1003 in the image once read (before image colour killing), reference simultaneously obtain corresponding background color name etc., really
Determine the background color of paper entirety.CPU200 is read according to the first reading part 13A and the second reading part 13B second (after image colour killing)
Image, determine blank with the background color of exterior domain 1002, by the background color of the background color and the paper entirety determined when reading for the first time
Compare.
In the present embodiment, since the color material in the non-colour killing of white space 1001 configures printing mark 1004,
It is paper P is not whole in the case where the image read according to second (after image colour killing) determines background color, by paper
The blank of P is using exterior domain 1002 as object.
Hereinafter, the flow chart with reference to Fig. 4 illustrates the difference with first embodiment.It is judged to can be used in action 103
In the case of (action 103, yes), CPU200 obtains the background color information (action 105) of paper P.In the present embodiment, according to
The images that action 102 is read, as described above, carrying out the extracting out of background color identification information 1003, the printing mark of each reading area
The determination of the background color for the paper P that the corresponding table of determination, reference of 1004 configuration mode carries out, and store that data in
In RAM203.
In addition, colour killing treated second read after judgement (action 108) in, will by the first reading part 13A and
In the image for the paper P that second reading part 13B is read (for the second time) after image colour killing, blank is with the image of exterior domain (1002)
Extraction is used as background color image, and by above-mentioned background color image and in color parameter (each numerical value of RGB for acting the background color that 105 determine
Data) compare, whether the color of judgement background color image shows the value of each numeric data of the RGB of the background color.
It is same as above-mentioned each embodiment according to the third embodiment of above structure, even if the background color in paper P is
White other than in the case of, can be also made whether with high standard it is recycling, i.e. whether by the judgement of normal colour killing.In addition,
In the third embodiment, background color identification information 1003 is also kept after the completion of colour killing processing, therefore being capable of Reusability paper P.
In the present embodiment, background color identification information 1003 (each printing mark 1004) is only carried out when reading first time
Reading and the determination etc. of background color, but not limited to this.That is, the background color identification information 1003 configured with the color material of non-achromicity
The period (timing) that (printing mark 1004) is also maintained after colour killing processing, therefore reads also can in second reading or
Both sides when person is for the first time and second is read carry out.But fast, the colour killing processing of processing when considering to read for second
How much middle paper itself can be damaged and how much background color identification information 1003 (printing mark 1004) may deteriorate, can be with
Consider preferably only to carry out when reading first time.
(the 4th embodiment)
Then, the functional erasing device of institute that will be provided with above-mentioned first, second and third embodiment is real as the 4th
Mode is applied to illustrate.
In the erasing device, first time (image colour killings of the CPU200 in the first reading part 13A and the second reading part 13B
Before) when reading (action 102), judge whether paper P can be used (action 103), in workable (action 103, yes),
It is transferred to action 105.
In action 105, CPU200 is same as first embodiment, and the white space of extraction paper P simultaneously determines clear area
The background color in domain.Moreover, CPU200 judges that background color identification information (printing mark 1004) whether there is when extracting white space out,
In the presence of, it is same as third embodiment, obtain background color information corresponding with the configuration mode of the printing mark 1004.
Then, CPU200 determines whether the background color information for the paper P being stored in RAM203, that is, in this second embodiment
The background color information for first passing through user's selection or progress numerical value input and storing state, pre-, obtains the background color in case of presence
Information (each numeric data of RGB).
Therefore, in the present embodiment, when reading first time, maximum obtains 3 kinds of background color information, that is,
(1) background color of the white space of the paper P determined according to the image of reading,
(2) background color information corresponding with the configuration mode of printing mark 1004,
(3) by the specified background color information of the input operation of user.
Each background color information storage obtained is in RAM203.
Figure 11 is the flow chart of the process content of the judgement for the action 108 being shown specifically in the 4th embodiment.
In action 108 after colour killing processing (action 106) and second of image reading (action 107), CPU200 will be by
In the image that first reading part 13A and the second reading part 13B is read (for the second time) after image colour killing, blank is with exterior domain
1002 image extraction is used as background color image.
At this point, CPU200 judges whether blank with the background color of exterior domain 1002 is white (action 1081) first.The judgement
With whole regions in exterior domain 1002 whether it is white by blank, in other words whether detects that the color other than white is come
It carries out.
CPU200 (action 1081, no) in the case where the result of above-mentioned judgement is not white for background color, is transferred to action
1082.On the other hand, in the case where background color is white (action 1081, yes), CPU200 is considered as the white space before colour killing
Background color is consistent with the background color of exterior domain with the blank after colour killing, controls each portion, to make paper P be discharged to recycling pallet.Cause
This is not compared in this case with the image for the white space that (first time) reads before image colour killing, paper P judgements
It is recycling and be expelled to recycling pallet.In addition, for result, background color identification information 1003 or user is not utilized to input
Background color information.
In action 1082, CPU200 blank is selected or is carried out with the image of exterior domain 1002 and user numerical value input and
The background color information (each numeric data of RGB) for being stored in RAM203 compares, and judgement blank is with the color of the image of exterior domain 1002
Whether the value of each numeric data of the RGB of background color information is shown.CPU200 is blank with exterior domain in the result of above-mentioned judgement
In the case of the value of each numeric data of the RGB of the color display background color information of 1002 image (action 1082, yes), control is each
Portion so as to recycle pallet be discharged paper.On the other hand, background color is not shown with the color of the image of exterior domain 1002 in blank
In the case of the value of each numeric data of the RGB of information, or in the case of being not stored in the background color information of RAM203,
CPU200 is transferred to action 1083.
In action 1083, CPU200 by blank with the image of exterior domain 1002 with and be stored in the printing mark of RAM203
The 1004 corresponding background color information of configuration mode compares, and whether judgement blank shows the bottom with the color of the image of exterior domain 1002
The value (specifically, whether the difference of the color of both sides is within defined feasible value) of each numeric data of the RGB of color information.
CPU200 is in each numerical value that the result of above-mentioned judgement is the RGB that blank shows with the color of the image of exterior domain 1002 background color information
In the case of the value of data (action 1083, yes), each portion is controlled so that paper is discharged to recycling pallet.On the other hand, in sky
In the case of the value for not showing each numeric data of the RGB of background color information with the color of the image of exterior domain 1002 in vain, or do not have
In the case of having the background color information for being stored in RAM203, CPU200 is transferred to action 1084.
In action 1084, CPU200 reads blank with (first time) before the background color image of exterior domain 1002 and image colour killing
In the image taken, white space 1001 image compares.Then, the face between background color image and the image of white space 1001
The difference of the brightness of color, chroma, deep or light etc. be converged in as defined in error and threshold value in the case of, CPU200 is determined as background color one
It causes, more than defined error and threshold value, CPU200 is determined as that background color is inconsistent.
Present embodiment carries out rapidly being could recycling for white paper P to background color by handling as progress
Determination processing, also, be the paper P other than white to background color, it is many-sided using various background color information and efficiently carry out can
The determination processing of no recycling.Therefore, according to the 4th embodiment, it can expect to shorten that colour killing processing is carried out to multiple paper P
In the case of whole processing time.
The present invention can be implemented with other various forms to without departing from its spirit or main feature.Therefore, above-mentioned implementation
Mode all only illustrates in all the points, and non-limiting explanation.The scope of the present invention is indicated by claims, is being illustrated
It is without any restrictions in book text.Moreover, belong to the equivalency range of claims it is whole deform, various improvement, instead of and
Reformation is intended to be included within.
Symbol description
100 erasing devices, 200 CPU, 202 ROM, 203 RAM, 210 operation portions, 211 display units, 10 sheet feed sections,
11 first transport paths, 12 second transport paths, 13 (13A, 13B) reading parts, 15 colour killing portions, 16 conveying rollers, 17 tunnels
Diameter changing unit, 19 first paper discharge units, 20 second paper discharge units, P paper, 1001 white spaces, 1002 blank with exterior domain,
1003 background color identification informations, 1004 printing marks, 101 client rs PCs, 102 printers (printing equipment), 103 networks.
Claims (10)
1. a kind of erasing device, wherein have：
Reading part reads the image in recording medium；
Colour killing portion, to the image colour killing in recording medium；
Delivery section is delivered to the reading part again after recording medium is delivered to the colour killing portion from the reading part；
Background color information acquiring section obtains the background color information of recording medium before the colour killing portion carries out colour killing；And
Control unit by the background color of the recording medium before the colour killing obtained by the background color information acquiring section and passes through the reading
The background color of recording medium after the colour killing that portion is read is compared, and executes the processing of result based on this comparison.
2. erasing device according to claim 1, wherein
Before the colour killing portion carries out colour killing, the background color information acquiring section is obtained from the image read by the reading part
The background color information of recording medium.
3. erasing device according to claim 1, wherein
Under the background color of recording medium of the control unit before colour killing and the background color unanimous circumstances of the recording medium after colour killing, sentence
The recording medium of breaking can recycle.
4. erasing device according to claim 1, wherein
The erasing device is also equipped with the configuration part for the background color for setting recording medium for user when executing colour killing,
Under the background color unanimous circumstances of recording medium of the control unit after the background color of the recording medium of setting and colour killing, judge
The recording medium can recycle.
5. erasing device according to claim 1, wherein
The identification information of the background color of the recording medium is configured on the recording medium,
The reading part reads the identification information before colour killing,
Under the background color unanimous circumstances of recording medium of the control unit after background color corresponding with the identification information and colour killing,
Judge that the recording medium can recycle.
6. erasing device according to claim 1, wherein
Before the colour killing portion carries out colour killing, the control unit also judges whether recording medium can use.
7. a kind of recycling management method of recording medium, which uses erasing device, the erasing device
It is situated between with the reading part for reading the image in recording medium, to the colour killing portion of the image colour killing in recording medium and by record
Matter is delivered to the delivery section for being delivered to the reading part behind the colour killing portion again, the recycling manager from the reading part
Method is characterized in that,
The identification information of the background color of the recording medium is configured on the recording medium,
The background color of recording medium after the background color of recording medium being read by the reading part, before colour killing and colour killing is carried out
Compare, and executes the processing of result based on this comparison.
8. the recycling management method of recording medium according to claim 7, wherein
Under the background color of recording medium before colour killing and the background color unanimous circumstances of the recording medium after colour killing, judge that the record is situated between
Mass-energy recycles.
9. the recycling management method of recording medium according to claim 7, wherein
Before colour killing, also judge whether recording medium can use.
10. a kind of image forming apparatus, including erasing device according to any one of claims 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014180980A JP6358905B2 (en) | 2014-09-05 | 2014-09-05 | Erasing device, recording medium reuse management method, program |
| JP2014-180980 | 2014-09-05 |
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| CN (1) | CN106210441B (en) |
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| JP2016057333A (en) | 2016-04-21 |
| JP6358905B2 (en) | 2018-07-18 |
| CN106210441A (en) | 2016-12-07 |
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