CN104044360B - Method and apparatus for calibrating paper sensor to take into account medium holes - Google Patents

Method and apparatus for calibrating paper sensor to take into account medium holes Download PDF

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Publication number
CN104044360B
CN104044360B CN201410087632.6A CN201410087632A CN104044360B CN 104044360 B CN104044360 B CN 104044360B CN 201410087632 A CN201410087632 A CN 201410087632A CN 104044360 B CN104044360 B CN 104044360B
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China
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paper
punched
image forming
map data
feed path
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CN201410087632.6A
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CN104044360A (en
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肯尼斯·黄·杨
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Konica Minolta Laboratory USA Inc
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Konica Minolta Laboratory USA Inc
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/70—Detecting malfunctions relating to paper handling, e.g. jams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00708—Size or dimensions
    • H04N1/00713—Length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00729—Detection means
    • H04N1/00734—Optical detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/00745—Detecting the leading or trailing ends of a moving sheet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/00755—Detecting an interruption of light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/23—Reproducing arrangements
    • H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • H04N1/2323—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity according to characteristics of the reproducing medium, e.g. type, size or availability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/12—Surface aspects
    • B65H2701/121—Perforations
    • B65H2701/1211—Perforations arranged linearly
    • B65H2701/12112—Perforations arranged linearly transversally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/06—Office-type machines, e.g. photocopiers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00172—Apparatus for electrophotographic processes relative to the original handling
    • G03G2215/00341—Jam handling in document feeder
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00548—Jam, error detection, e.g. double feeding
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1672—Paper handling
    • G03G2221/1675—Paper handling jam treatment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0082—Image hardcopy reproducer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3274—Storage or retrieval of prestored additional information

Abstract

This disclosure relates to be used to calibrate method and apparatus and image forming apparatus and its application method of the paper sensor to take into account medium holes.The image forming apparatus include：The image forming portion of image is formed on paper in pre-punched；Scan the scanner of the paper of pre-punched；During forming image on paper the paper feed path that paper is passed through is fed from to image forming portion；The multiple sensors of monitoring paper stream when being fed past paper feed path with the paper when pre-punched along paper feed path arrangement；Storage indicates the memory of the map data of the position in the paper of all holes, otch and notch in pre-punched, wherein the image scanned based on scanner forms map data；And the map data that is selected from storage map data in memory of loading user and receive the signal from each sensor and signal Analysis and the selected map data of user are to determine the processor along paper feed path with the presence or absence of paperboard.

Description

Method and apparatus for calibrating paper sensor to take into account medium holes
Technical field
This disclosure relates to be used to track system and side of the paper by the movement of multi-function peripheral (MFP) or printer Method.The disclosure further relates to the image forming apparatus that are printed for the paper to pre-punched and for the paper to pre-punched The image forming method for being printed.
Background technology
Sometimes referred to as the multi-function peripheral of MFP has various functions, such as copy, network printing, scanning, fax Communicated with transmission control protocol/Internet Protocol (TCP/IP).Paper feeding or other recording mediums are by MFP or traditional prints Machine brings some challenges.High speed during such equipment is moved through due to paper, paper occasional is stuck in paper feed path.
In order to ensure the smooth operating of equipment, most of equipment have along paper feed path arrangement to monitor paper along feeding A series of sensors of the stream in path.Generally, sensor be determine when paper is moved along paper feed path paper leading edge and The optical sensor of back edge.Optical sensor has the optical transmitting set of the side for being disposed in paper feed path and is disposed in paper feedback Send the optical receiver of the opposite side in path so that paper is transported between optical transmitting set and optical receiver.When optical receiver receive from During the light of optical transmitting set transmitting, it is assumed that do not exist paper at the part of paper feed path.Come from when optical receiver stops reception During the light of optical transmitting set, it is assumed that there is paper at the part of paper feed path.Referring to Fig. 1.
Therefore, when optical receiver stops receiving the light from optical transmitting set, system judges that the leading edge of the paper is being passed At sensor.When optical receiver recovers to receive the light from optical transmitting set, system judges the back edge of the paper at sensor.
Sensing system as described herein can be used to monitor stream of the paper by paper feed path.They also can be used to computation paper The size opened.
Some users of printing device prefer to use the paper or recording medium for having beaten hole in advance along its edge.Common Example is such paper：The paper has and is arranged to " three punchings " form along left margin so that paper is put into three ring binders Three holes spaced apart.In other cases, paper in paper the pre-formed window for having otch to allow to be seen through cut out portion Address or title or other information.Additionally, in other cases, paper has notch along its edge is pre-formed.
When the paper or the pre-formed paper for having otch or notch of the sensor and pre-punched are used together, sometimes Go wrong.Under those circumstances, it is possible to which sensor can be by one or more misidentifications in pre-formed hole, otch or notch It is the back edge of paper.In this case, system may falsely determine that there is paperboard or may mistakenly calculate paper Size.Referring to Fig. 2.
The content of the invention
In order to solve foregoing problems, it is proposed that the image forming apparatus that a kind of paper for pre-punched is printed. The image forming apparatus include：
Image forming portion, image is formed on the paper in the image forming portion in pre-punched；
Scanner, scanner is used to scan the paper of pre-punched；
Paper feed path, image forming part is fed to during image is formed on paper by paper by paper feed path Divide and be fed through paper feed path from image forming portion；
Multiple sensors, the plurality of sensor is arranged along paper feed path and be fed past paper with the paper when pre-punched The stream of the paper of pre-punched is monitored during feed path；
Memory, memory be used to storing for indicate all holes, otch and notch in pre-punched paper in position Map data, wherein, the image that is scanned based on scanner forms map data；And
Processor, processor is used to load the mapping graph number that user selects from map data in memory is stored According to this and receive the signal from each sensor in the plurality of sensor and selected for signal Analysis and user Map data with determine along paper feed path whether there is paperboard.
In image forming apparatus, processor taken into account using map data hole in the paper of pre-punched, otch and Notch is indicated with any mistake of the back edge of the paper avoided to pre-punched.
Image forming apparatus also include multiple paper feedboards, and map data may include in the plurality of paper feedboard The paper comprising the pre-punched for being mapped mark for paper feedboard.
The sensor of image forming apparatus can each include optical transmitting set and optical receiver.
The image forming method that a kind of paper for pre-punched is printed, comprises the following steps：
The mapping graph of the position in all holes, otch and notch that are formed in the paper created in pre-punched；
Paper by pre-punched along paper feed path be fed to image forming portion and from image forming portion along Paper feed path feeds；
Image is formed on paper by image forming portion in pre-punched；
Paper by scanner scanning pre-punched；
The image that is scanned based on scanner forms map data；
The mapping graph number of the position being used in the paper for indicating all holes, otch and notch in pre-punched by memory storage According to；
The paper of detection pre-punched when being moved along paper feed path come the paper when pre-punched using multiple sensors Leading edge and back edge are detecting paperboard；And
Any mistake of the back edge of the paper avoided using map data to pre-punched is indicated,
Wherein, processor loading user selects from storage map data in memory map data and Receive the signal from each sensor in the plurality of sensor, and signal Analysis and the selected map data of user To determine to whether there is paperboard along paper feed path.
In image forming method, the method is performed in multi-function peripheral, multi-function peripheral includes storage Device.
In image forming method, mapping graph number is created by paper before the printing with scanner scanning pre-punched According to.
Brief description of the drawings
Fig. 1 is the view for detecting the leading edge of paper and the legacy system of back edge；
Fig. 2 shows the view for using on the paper of the system of Fig. 1 in pre-punched；
Fig. 3 is the schematic diagram of the MFP with scanner；
Fig. 4 is the view of the paper for mapping according to the embodiment of the present invention；
Fig. 5 shows the flow chart of the basic process of an implementation method of the invention；
Fig. 6 shows the flow chart of the process for mapping paper of an implementation method of the invention；
Fig. 7 shows the flow chart of the print procedure of an implementation method of the invention；
Fig. 8 is the schematic diagram of the display of the MFP of an implementation method of the invention；And
Fig. 9 shows the work of the sensor in paper feed path according to the embodiment of the present invention.
Specific embodiment
Now developed a kind of system avoid or minimize it is above-mentioned on by sensor be formed with The problem that the paper 30 or the recording medium paper of pre-punched (hereinafter referred to as) of hole 40, notch or otch are used together.
Mapping：
Fig. 5 shows the flow chart of the basic map operation of embodiments of the present invention.According to the implementation method of Fig. 5, Before the paper operation print job that pre-punched is used on MFP 20, pre-punched is scanned by the scanner 10 of MFP 20 The example of paper 30 (step S110).Then, the paper of scanned pre-punched is mapped by MFP 20 to identify in pre-punched Paper on all such hole 40, notch for being formed and otch position (step S120).Fig. 6 shows the more of mapping process Details.Then, the mapping graph of the paper by pre-punched is stored in (step S130) in the memory 50 in MFP 20.Then, it is The label (step S130) of mapping graph distribution such as " three hole-punched papers ", and the label is preserved together with mapping graph.If needed Will, user can also distribute paper disc for the mapping graph for being stored, and paper disc information is protected together with mapping graph title and data Deposit (step S140).
Fig. 4 and Fig. 6 show the mapping of paper.According to an implementation method, after scanning paper 30 in step s 110, The first hole 40 (step S210) is identified in the paper of this pre-punched.Then, establishment may include all parts of particular bore 40 Minimum possible square boundary 60 (step S220).Referring to Fig. 4.
Then, it is that square boundary is distributed and preserves coordinate such as (x1-x2；y1-y2)(S230).Then, system determines With the presence or absence of also non-mapped another hole (S240).If it is, for each hole in paper or opening duplicate marking hole, wound The process (being "Yes" at block S240) for build border, coordinate being distributed for the border and data are preserved.If all Kong Douyi are reflected (being "No" at block S240) is penetrated, then stores data into memory.As mentioned above for pointed by the flow chart in Fig. 5, so After can be labelled (S130) for each mapping graph, and it is possible if desired to each mapping graph is distributed into specific paper disc (S140)。
Map data may also comprise the general size of paper, such as 8.5 inches × 11 inches or A4 sizes.
As alternative scheme, in order to create mapping graph on MFP 20, mapping graph can be created by external equipment reflect and It is sent to MFP 20.Additionally, the paper of the pre-punched for commonly using, such as be perforated for the paper of three ring binders, can be pre- First make and store one or more mapping graphs.Paper for such common pre-punched, can make in any manner Mapping graph and mapping graph is programmed into memory.In such circumstances, it is not necessary that the paper for scanning pre-punched comes true The position in fixed such hole.
Any number of mode that can be readily apparent that by those of ordinary skill in the art be identified above each Step or during each, for example, identification hole, create each hole border and be border distribution coordinate.Therefore, omit Its detailed description.
Printing：
Once completing mapping process, user then just can as shown in Figure 7 use mapped pre-punched Paper runs print job.
First step for running print job is loading image (S310) to be printed.Can be according to any number of biography System mode load image.For example, depositing in can for example selecting to be pre-stored in MFP 20 using the display 80 on MFP 20 View data in reservoir 70.Referring to Fig. 8.In image selection frame 82, using selector 84, user can select from drop-down menu Select the view data which equipment is keeping to be printed.Selection to equipment may include multiple external equipments, MFP scanners Memory 70 in 10 or MFP 20.If selected for scanner 10, then original can be scanned by using the scanner 10 of MFP 20 Beginning document creates view data.Once have selected equipment, user just can be used drop-down menu 86 to select for view data The title of file.Those of ordinary skill in the art can create and replacing using selection and/or loading equipemtn and/or view data Choosing method.
Once identifying and have selected view data, user then just finds from the copy condition part 88 of display 80 Menu in select copy condition (step S320).Such copy condition may include any number of known option, including but It is not limited to number of pages, double-sided copying, amplification/diminution etc..Because such feature is all known, copy condition part is eliminated Divide 88 details.
Once have selected view data and be provided with copy condition, user then can be from the mapping of display 80 Figure loading section 90 loads mapping graph.For example, mapping graph loading section 90 can include drop-down menu 92, user can be from drop-down dish The mapping graph being preloaded of the paper of pre-punched is selected in single 92.Mapping graph may include what is created according to the method being set forth above Mapping graph.According to an implementation method, drop-down menu 92 may include a choosing for complete paper (that is, the paper of non-pre-punched) .
As described above, can store by reference to the specific paper disc in MFP 20 and identify mapped data.In the feelings In shape, user will simply mark expects paper disc from drop-down menu 92.
Reflected having have selected view data (step S310), being provided with copy condition (step S320) and be loaded with Penetrate after diagram data (S330), user can start the process using the start button 94 on MFP displays 80.Once press Start button 94, printer driver will send the mapping graph of print job and the paper being being used.
Fig. 9 shows embodiments of the present invention, and how using paper mapping graph paperboard is avoided it illustrates sensor Carelessness is indicated.Specifically, Fig. 9 shows how sensor determines whether there is paperboard.The flow chart of Fig. 9 is related in MFP 20 Only one sensor 74.However, repeating the process for each sensor along the paper feed path 76 in MFP 20.
When paper 30 starts to move through paper feed path 76, the light receiving part of sensor 74 receives light.When paper 30 When leading edge reaches sensor 74, light receiving part stops receiving light, so as to form the "Off" edge (step of sensor output S410).If at S410 being "Yes", sensor 74 detects the leading edge of paper, and storage time T1(step S420).When When the back edge of paper 30 passes through sensor 74, the light receiving part of sensor receives light (being "Yes" at S430) again, so that Form the "ON" edge of sensor output, and storage time T2(step S440).Then, system-computed T2With T1Between difference, That is, T2-T1=T3(step S450).If T3With match (at S460 be "Yes") expeced time for known paper size, Then judge do not exist paperboard, and sensor 74 waits lower a piece of paper.If T3With the expeced time for known paper size not Matching (being "No" at S460), then checked to check T3Whether with the paper for being identified with paper mapping graph in any open Mouth matches (S480).If being "No" at S480, there is paperboard in judgement.If being "Yes" at S480, when resetting Between T2, and sensor continue waiting for next time back edge pass through sensor (S490).
In this way, hole in the paper being just fed, otch and/or notch can be expected and be taken into account to sensor as aforementioned so as to most The possibility that the mistake of paperboard is indicated in smallization print procedure.
CPU 72 in MFP 20 can control aforementioned process.
Although the present invention can be implemented in many different forms, multiple explanations are described with following understandings herein The example and such example that the implementation method of property, the i.e. disclosure will be considered as providing principle of the invention are not intended to send out this It is bright to be limited to preferred embodiment described herein and/or as shown herein.The present invention includes being based on those skilled in the art The disclosure may be appreciated IF-AND-ONLY-IF element, modification, omission, combination (for example across various implementation methods many aspects combination), Adaptation and/or any and all implementation method of change.The language used in claim to be based on come in a broad sense Explain the limitation in claim, and limitation in claim be not limited in this specification or the application course of the review The example of description, these examples should be interpreted nonexcludability.For example, in the disclosure, term " preferably " is non-row His property and mean " preferably, but be not limited to ".
In the disclosure and in the course of the review of the application, exist in being limited for specific claim it is all with In the case of lower condition, function restriction is added only with device plus function restriction or step：A) " the dress being used for ... is clearly enumerated Put " or " the step of being used for ... "；B) corresponding function is clearly enumerated；And do not enumerate structure, the material for supporting the structure c) Material is acted.In the disclosure and in the course of the review of the application, term " present invention " or " invention " can serve as to this public affairs The reference of the one or more aspects in opening.Language " present invention " or " invention " should not be irrelevantly construed to it is critical really It is fixed, should not be irrelevantly construed to be applied to all aspects of implementation method (i.e., it should be understood that the present invention has Many aspects and implementation method), and should not be irrelevantly construed to limit the scope of the application or claim.At this In open and in the course of the review of the application, term " implementation method " can be used to describe any aspect, feature, process or step Suddenly, its any combination and/or its any part etc..In some instances, various implementation methods may include overlapping feature.

Claims (7)

1. the image forming apparatus that a kind of paper for pre-punched is printed, described image forms equipment to be included：
Image forming portion, image is formed on the paper in the described image forming part in the pre-punched；
Scanner, the scanner is used to scan the paper of the pre-punched；
Paper feed path, the figure is fed to during image is formed on paper by the paper by the paper feed path The paper feed path is fed through as forming part and from described image forming part；
Multiple sensors, the multiple sensor is arranged along the paper feed path and is fed with the paper when the pre-punched The stream of the paper of the pre-punched is monitored during by the paper feed path；
Memory, the memory is used to storing in the paper for indicating all holes, otch and notch in the pre-punched The map data of position, wherein, the image that is scanned based on the scanner forms map data；And
Processor, the processor is used to load the mapping selected in map data of the user from storage in the memory Diagram data and receive the signal from each sensor in the multiple sensor and for analyzing the signal and institute The selected map data of user is stated to determine to whether there is paperboard along the paper feed path.
2. image forming apparatus according to claim 1, wherein, the processor is taken into account described using map data Hole, otch and notch in the paper of pre-punched are indicated with any mistake of the back edge of the paper avoided to the pre-punched.
3. image forming apparatus according to claim 1, can also wrap including multiple paper feedboards, and map data One mark of paper feedboard of the paper comprising the pre-punched for being mapped in including to the multiple paper feedboard.
4. image forming apparatus according to claim 1, wherein, the sensor each includes optical transmitting set and light connects Receive device.
5. the image forming method that a kind of paper for pre-punched is printed, the described method comprises the following steps：
The mapping graph of the position in all holes, otch and notch that are formed in the paper created in the pre-punched；
Paper by the pre-punched is fed to image forming portion and from described image forming part along paper feed path Fed along the paper feed path；
Image is formed on paper by described image forming part in the pre-punched；
The paper of pre-punched as described in scanner scanning；
The image that is scanned based on the scanner forms map data；
The mapping graph number of the position being used in the paper for indicating all holes, otch and notch in the pre-punched by memory storage According to；
The pre-punched is detected when being moved along the paper feed path come the paper when the pre-punched using multiple sensors Paper leading edge and back edge detecting paperboard；And
Any mistake of the back edge of the paper avoided using map data to the pre-punched is indicated,
Wherein, processor loading user selects from map data of the storage in the memory map data and The signal from each sensor in the multiple sensor is received, and analyzes the signal and the user is selected Map data with determine along the paper feed path whether there is paperboard.
6. image forming method according to claim 5, wherein, methods described is performed in multi-function peripheral, institute Stating multi-function peripheral includes the memory.
7. image forming method according to claim 5, wherein, by before the printing with described in the scanner scanning The paper of pre-punched creates map data.
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