CN103513535A - Image forming device - Google Patents

Image forming device Download PDF

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Publication number
CN103513535A
CN103513535A CN201310119556.8A CN201310119556A CN103513535A CN 103513535 A CN103513535 A CN 103513535A CN 201310119556 A CN201310119556 A CN 201310119556A CN 103513535 A CN103513535 A CN 103513535A
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CN
China
Prior art keywords
recording medium
image
image forming
forming part
paper
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Pending
Application number
CN201310119556.8A
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Chinese (zh)
Inventor
小林卓也
阿部隆
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Fujifilm Business Innovation Corp
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Fuji Xerox Co Ltd
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Filing date
Publication date
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Publication of CN103513535A publication Critical patent/CN103513535A/en
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Abstract

The invention provides an image forming device which can reduce fluctuation of image forming length on a recording medium. The image forming device is provided with a plurality of supply parts for supplying recording mediums; an image forming part for forming images on the recording mediums transmitted from the supply parts; a conveying part for temporarily pausing the recording mediums supplied from the supply parts and conveying the recording mediums to the image forming part; and an adjusting unit for conveying correspondingly to selected supply parts and adjusting the image forming speed of the image forming part.

Description

Image processing system
Technical field
The present invention relates to a kind of image processing system.
Background technology
Patent documentation 1 discloses following image processing system, and this image processing system has: image forming part, and it forms image on recording medium, recording medium carrying case, it is supplied to described image forming part by described recording medium, for loading a plurality of described recording mediums, and manual pallet, it is supplied to described image forming part by described recording medium, be used for loading described recording medium, the 1st roller is set between described recording medium carrying case and described image forming part, it is for delivery of described recording medium, compare Qi downstream with described the 1st roller the 2nd roller is set, the described recording medium of carrying from described manual pallet, between described the 1st roller and described the 2nd roller, collaborate, rotation by described the 2nd roller is delivered to described image forming part, in the peripheral speed with described the 1st roller, compare in the image processing system that mode arranges faster with the peripheral speed of described the 2nd roller, the peripheral speed of described the 2nd roller when described recording medium is carried from described manual pallet, the peripheral speed of described the 2nd roller while carrying from described recording medium carrying case than described recording medium is faster.
Patent documentation 1: No. 4539710 communique of Japanese Patent
Summary of the invention
The object of the invention is to, provide a kind of image that can reduce on recording medium to form the image processing system of the fluctuation of length.
The related the present invention of technical scheme 1 is a kind of image processing system, and it has: a plurality of supply units, and they supply with recording medium; Image forming part, it forms image at the recording medium transporting from described a plurality of supply units; Transfer unit, it temporarily stops the recording medium coming from described a plurality of supply units supplies, then recording medium is delivered to described image forming part; And regulon, it corresponding to which supply unit among described a plurality of supply units is carried, and regulates the image of described image forming part to form speed.
The related the present invention of technical scheme 2 is the image processing system that technical scheme 1 is recorded, wherein, described image forming part has for keeping the picture holder of toner picture, describedly as holder, corresponding to which supply unit among described a plurality of supply units, carry, regulate the rotational speed of described picture holder and regulate image to form speed.
The related the present invention of technical scheme 3 is technical scheme 1 or 2 image processing systems of recording, wherein, described image forming part has exposure portion, it makes light scan to form electrostatic latent image, corresponding to which supply unit among described a plurality of supply units, carry, regulate the sweep velocity of described exposure portion and regulate image to form speed.
The related the present invention of technical scheme 4 is the image processing system that in technical scheme 1 to 3, any one is recorded, and wherein, described transfer unit has: driver part, and it is driven in rotation; And slave unit, it carries out driven rotation in the position relative with this driver part, it is larger that described driver part and described slave unit are compared friction factor, the direction of charging into described driver part and described slave unit corresponding to recording medium, regulates the image of described image forming part to form speed.
The related the present invention of technical scheme 5 is the image processing system that technical scheme 1 is recorded, and wherein, described a plurality of supply units have: paper feed, its loaded recording medium; And manual paper feeder, it loads recording medium, compares with the situation that recording medium is carried from described paper feed, and in the situation that recording medium is carried from described manual paper feeder, it is slower that the image of described image forming part forms speed.
The related the present invention of technical scheme 6 is the image processing system that technical scheme 1 is recorded, and wherein, described a plurality of supply units have: manual paper feeder, and it loads recording medium; And conveying device again, it is delivered to described image forming part again by the recording medium that is formed with image on the face of a side, compare with the situation that recording medium is carried from described conveying device again, in the situation that recording medium is carried from described manual paper feeder, it is slower that the image of described image forming part forms speed.
The related the present invention of technical scheme 7 is the image processing system that technical scheme 1 is recorded, and wherein, described a plurality of supply units have: paper feed, its loaded recording medium; And conveying device again, it is delivered to described image forming part again by the recording medium that is formed with image on the face of a side, compare with the situation that recording medium is carried from described paper feed, in the situation that recording medium is carried from described conveying device again, it is slower that the image of described image forming part forms speed.
The related the present invention of technical scheme 8 is the image processing system that technical scheme 1 is recorded, and wherein, described a plurality of supply units have: the 1st paper feed, its loaded recording medium; And the 2nd paper feed, it is arranged on the upstream side of the recording medium transporting direction of the 1st paper feed, for loaded recording medium, compare with the situation that recording medium is carried from described the 2nd paper feed, in the situation that recording medium is carried from described the 1st paper feed, the image of described image forming part forms speed.
The effect of invention
The present invention related according to technical scheme 1, can reduce the fluctuation of the image formation length on recording medium.
The present invention related according to technical scheme 2, compares with the situation that this structure is not set, and can easily reduce the fluctuation of the image formation length on recording medium.
The present invention related according to technical scheme 3, compares with the situation that this structure is not set, and can easily reduce the fluctuation of the image formation length on recording medium.
The present invention related according to technical scheme 4, compares with the situation that this structure is not set, and can reduce the fluctuation that the image on recording medium that the structure by transfer unit causes forms length.
The present invention related according to technical scheme 5, compare with the situation that this structure is not set, the different images on recording medium that cause that can reduce the supply source of the situation of being carried from manual paper feeder from recording medium from the situation of paper feed conveying by recording medium form the fluctuation of length.
The present invention related according to technical scheme 6, compare with the situation that this structure is not set, can reduce the situation of being carried from manual paper feeder by recording medium and recording medium and form the fluctuation of length from the different images on recording medium that cause of the supply source of the situation of conveying device conveying again.
The present invention related according to technical scheme 7, compare with the situation that this structure is not set, can reduce the situation of being carried from paper feed by recording medium and recording medium and form the fluctuation of length from the different images on recording medium that cause of the supply source of the situation of conveying device conveying again.
The present invention related according to technical scheme 8, compare with the situation that this structure is not set, the different images on recording medium that cause that can reduce the supply source of the situation of being carried from the 2nd paper feed from recording medium from the situation of the 1st paper feed conveying by recording medium form the fluctuation of length.
Accompanying drawing explanation
Fig. 1 is the whole skeleton diagram that uses the image processing system of an embodiment of the invention.
Fig. 2 means the figure of the registration roller periphery that uses an embodiment of the invention.
Fig. 3 is the figure that the induction system of the image processing system that uses an embodiment of the invention is described.
Fig. 4 means the figure of the hardware configuration of the image processing system that uses an embodiment of the invention.
Fig. 5 means the process flow diagram of the action of the image processing system that uses an embodiment of the invention.
The explanation of label
10 image processing systems
14 image forming parts
16 transfer devices
18 fixing devices
20a the 1st paper feed
20b the 2nd paper feed
22 manual paper feeders
24 conveying devices again
26 main transport paths
28 reversion transport paths
34 picture holders
38 exposure portions
45a, 45b paper supply transport path
50 registration rollers
51 induction systems
57 manual feed paths
80 control parts
Embodiment
Below, based on accompanying drawing explanation embodiments of the present invention.
Fig. 1 represents the related image processing system of embodiments of the present invention 10.Image processing system 10 has image processing system main body 12, in image processing system main body 12, is provided with: image forming part 14, and it forms developer picture on the paper using as recording medium; Transfer device 16, it looks like to be transferred on paper by the developer being formed by image forming part 14; Fixing device 18, it makes the developer that is formed and be transferred on paper by transfer device 16 by image forming part 14 look like to be fixed on paper; Paper feed 20, it uses as supply unit, and paper is supplied to image forming part 14; Manual paper feeder 22; And conveying device 24 again.
In addition, image processing system main body 12 top, is used as the discharge portion 30 that paper is discharged.In addition, in for example front side (Tu1 right side) of image processing system main body 12, be provided with for operate image processing system 10 such as the operating portions such as touch-screen 32.The control information of 32 pairs of image processing systems 10 of operating portion and indication information etc. show, and, receive the indication information inputted by user etc.That is, user can be via operating portion 32 operation image processing systems 10.
Image forming part 14 is electro photography, by following cell formation: as holder 34, it is formed by photoreceptor; Charging system 36, it makes this similarly charged as holder 34, for example, by charged roller, formed; Exposure portion 38, it,, in the picture holder 34 charged by this Charging system 36, makes light scan to form electrostatic latent image; And developing apparatus 40, it makes to utilize the sub-image of the picture holder 34 that this exposure portion 38 forms visual.In addition,, as other embodiments, exposure portion 38 can be used LED or surface light emitting laser etc.
Fixing device 18 has: warm-up mill 42, and its inside has thermal source; And backer roll 44, it is pressed against on warm-up mill 42, utilizes warm-up mill 42 and the contact site of backer roll 44 that the developer being transferred on paper is pressurizeed, heated, and the developer being formed by image forming part 14 is looked like to be fixed on paper.
Paper feed 20 is arranged on the below of image processing system main body 12, and paper is supplied to image forming part 14.Paper feed 20 has the 1st paper feed 20a and the 2nd paper feed 20b.The 1st paper feed 20a and the 2nd paper feed 20b can accommodate the paper that thickness, size etc. differ from one another, and the paper that thickness, size etc. can be differed from one another is supplied to image forming part 14.
The 1st paper feed 20a has paper accepting container 46a.In stacked mode, paper is housed in paper accepting container 46a, paper accepting container 46a can pull out or pull down to for example front side with respect to image processing system main body 12.In addition, the 1st paper feed 20a has outlet roller 47a, and it is sent paper from paper accepting container 46a.In addition, have: paper feed roller 48a, it,, along the paper supply transport path 45a in the sheet transport direction downstream of outlet roller 47a, is carried the paper transferring out from outlet roller 47a towards registration roller 50 described later; And distribution rollers 49a, itself and this paper feed roller 48a is oppositely arranged.
The 2nd paper feed 20b has paper accepting container 46b.In stacked mode, paper is housed in paper accepting container 46b, paper accepting container 46b can pull out or pull down to for example front side with respect to image processing system main body 12.In addition, the 2nd paper feed 20b has outlet roller 47b, and it is sent paper from paper accepting container 46b.In addition, have: paper feed roller 48b, it,, along the paper supply transport path 45b in the sheet transport direction downstream of outlet roller 47b, is carried the paper transferring out from outlet roller 47b towards registration roller 50 described later; And distribution rollers 49b, itself and this paper feed roller 48b is oppositely arranged.
In addition, at image processing system main body 12 side (left surface of Fig. 1), dispose manual paper feeder 22.Manual paper feeder 22 has: manual pallet 56, and it loads paper; And outlet roller 58, it is sent along manual feed path 57 paper being positioned on this manual pallet 56 to registration roller 50.In addition, if manual pallet 56 rotates along the direction of arrow shown in Fig. 1, open, can openedly and closedly be supported in image processing system main body 12.
In addition, in the sheet transport direction downstream of fixing device 18, be provided with distributing roller 52.Distributing roller 52 can switch sense of rotation, by a direction rotation, the paper transporting from fixing device 18 is discharged to discharge portion 30.In addition, distributing roller 52, by another direction rotation, is introduced paper in image processing system main body 12 from discharge portion 30 sides, and paper is supplied with to reversion transport path 28 described later.
Reversion transport path 28 for make by fixing device 18 on the face of a side photographic fixing paper of developer picture reverse, and be again delivered to image forming part 14, reversion transport path 28 is delivered to paper the upstream side of registration roller 50 from distributing roller 52.In addition, along reversion transport path 28, dispose the reversion conveying roller 54 being driven in rotation.By reversion transport path 28 and reversion conveying roller 54, form again conveying device 24.
The peripheral structure of the registration roller 50 using as transfer unit shown in Figure 2.
The leading section that registration roller 50 makes the paper carried towards image forming part 14 and transfer device 16 temporarily stops to the movement of image forming part 14 and transfer device 16 sides, corresponding with the timing that forms respectively developer picture on as holder 34, the leading section that makes paper restarts to the movement of image forming part 14 and transfer device 16.
On the manual feed path 57 of the sheet transport direction upstream side of registration roller 50, be provided with sensor 59, it detects top of form of supplying with the paper that comes from manual paper feeder 22 and charging into registration roller 50.
In addition, paper supply transport path 45a, 45b in the sheet transport direction upstream side of registration roller 50, the point downstream of reversion transport path 28 are provided with sensor 61, its to from the 1st paper feed 20a, the 2nd paper feed 20b or again conveying device 24 supply with the paper that comes and detect to the top of form of charging into registration roller 50.
; for from manual paper feeder 22, the 1st paper feed 20a, the 2nd paper feed 20b, conveying device 24 transports again paper; the leading section of paper and registration roller 50 butts detected via sensor 59,61 after, temporarily stop the conveying of paper; upstream side at registration roller 50 forms loop; then, to image forming part 14 and transfer device 16, carry.
Registration roller 50 is by following cell formation: the 1st transfer unit 50a, and it is driven in rotation; And the 2nd transfer unit 50b, it carries out driven rotation in the position relative with the 1st transfer unit 50a.It is larger that the 1st transfer unit 50a and the 2nd transfer unit 50b compare friction factor, for example, by the rubber using as elastomeric element, formed.In addition, the 2nd transfer unit 50b is for example formed by metal, and the 1st transfer unit 50a is pressed.
As shown in Figure 2, the paper of carrying from manual paper feeder 22, carries from the 1st transfer unit 50a side that friction factor is larger.On the other hand, from the 1st paper feed 20a, the 2nd paper feed 20b, conveying device 24 is carried again paper, from the 2nd transfer unit 50b side that friction factor is lower, carry.That is, in the situation that carry from the 1st larger transfer unit 50a side of friction factor, compare with the situation of carrying from the 2nd lower transfer unit 50b side of friction factor, paper is carried more quickly.That is, corresponding to paper, from the 1st transfer unit 50a side, carry, or carry from the 2nd transfer unit 50b side, because the friction factor of the roller that paper is carried is different, therefore, the transporting velocity of paper changes, its result, and the print length of image is different.In addition, in the situation that from the situation of the 1st paper feed 20a conveyance of sheets with from the 2nd paper feed 20b conveyance of sheets, due to until the paper sheet delivery of registration roller 50 apart from difference, therefore, paper sheet delivery speed is also different.In addition, from conveying device 24 conveyance of sheets again in the situation that, on reversion transport path 28, be provided with the reversion conveying roller 54 of carrying by driving, compare with the situation from the 1st, the 2nd paper feed 50 conveyings or the situation of carrying from manual paper feeder 22, transport path forms compared with macrobending, therefore, paper sheet delivery speed is different from the situation of carrying from manual paper feeder 22, the 1st paper feed 20a, the 2nd paper feed 20b.In addition, at manual paper feeder 22, the 1st paper feed 20a, the 2nd paper feed 20b and again between conveying device 24, due to respect to registration roller 50 charge into angle difference, therefore, according to the supply position of paper, paper sheet delivery speed is different.
Therefore, in the present embodiment, corresponding to manual paper feeder 22, the 1st paper feed 20a, the 2nd paper feed 20b, the paper supply source of conveying device 24 again, change image and form speed, thereby reduce the fluctuation that image on recording medium forms length.
Below, the induction system 51 of an example as supply unit is described.
Fig. 3 is the figure that the induction system 51 of the image processing system that uses an embodiment of the invention is described.
In image processing system main body 12, be formed with main transport path 26 and reversion transport path 28, this reversion transport path 28 is again 1 inscape of conveying device 24, the paper that has formed developer picture by fixing device 18 on the face of a side is reversed, and be again delivered to image forming part 14.
Main transport path 26 is used when conveyance of sheets, it moves as follows, , from paper transportation path upstream side, the paper supply transport path 45b that paper to supplying with from the 2nd paper feed 20b is carried, the paper supply transport path 45a that the paper of supplying with from the 1st paper feed 20a is carried, to the reversion transport path 28 of carrying from the paper that conveying device 24 is supplied with again, the manual feed path 57 that the paper of supplying with from manual paper feeder 22 is carried, upstream side at registration roller 50 converges, by registration roller 50, paper is temporarily stopped, then to image forming part 14, carry, and paper is discharged to discharge portion 30 by fixing device 18 from image forming part 14.
In the situation that be formed with on the face of a side on the face of opposite side of paper of image, form image, under near the state contacting with distributing roller 52 rearward end of paper that is formed with image, distributing roller 52 starts to the direction rotation that paper is supplied with to reversion transport path 28, by this rotation, paper starts to supply with to reversion transport path 28 from rear end side, and the paper of supply is delivered to the upstream side of registration roller 50 by reversion conveying roller 54.
Fig. 4 means the block diagram of the hardware configuration of control part 80.
Control part 80 is configured to, and CPU60, storer 62, operating portion 32 and input and output portion 66 are connected by internal bus 70.In input and output portion 66, connect image forming part 14, transfer device 16, fixing device 18, induction system 51 etc.As image forming part 14, to making, as the motor of holder 34 rotation and exposure portion 38, light is controlled to the sweep velocity scanning as holder 34 etc.In addition, as induction system 51, utilize the drive divisions such as motor to the outlet roller 47b of the outlet roller 47a of the outlet roller 58 of registration roller 50, distributing roller 52, manual paper feeder 22, the 1st paper feed 20a, paper feed roller 48a, distribution rollers 49a, the 2nd paper feed 20b, paper feed roller 48b, distribution rollers 49b and again the reversion conveying roller 54 of conveying device 24 control., picture holder 34 is connected here with registration roller 50 with same motor, drives simultaneously.
; control part 80 has the component part as computing machine; according to the input of operating portion 32; select to supply with the supply unit of recording medium; CPU60 obtains rotational speed, the rotational speed of transfer device 16, the setup parameters such as sweep velocity of exposure portion 38 that is stored in the picture holder 34 corresponding to selected supply unit in storer 62; the executive routine by the parameter based on obtaining, thus the image of the image forming part 14 of control image processing system 10 forms action.That is, corresponding to the supply unit of selecting, control chart picture forms speed.
Below, the image of the related image processing system 10 of present embodiment is formed to operation and describe.
In addition, reason control part 80 is controlled everywhere.
Fig. 5 means the process flow diagram of the action of image processing system 10.
In step S10, such as the input based on from the operating portions such as guidance panel 32, select to supply with the supply unit of paper.Specifically, select from the 1st paper feed 20a, the 2nd paper feed 20b, manual paper feeder 22, some supply unit conveyance of sheets conveying device 24 again.
Then, in step S12, from the supply unit of selecting, supply with paper among step S10, corresponding to the supply unit of selecting, start image and form.
Here, compare with the situation of supplying with paper from paper feed 20, in the situation that supplying with paper from manual paper feeder 22, it is slower that the image in image forming part 14 forms speed.In addition, and compare from the situation of conveying device 24 conveyance of sheets again, in the situation that supplying with paper from manual paper feeder 22, it is slower that the image in image forming part 14 forms speed.In addition, compare with the situation of supplying with paper from paper feed, from conveying device conveyance of sheets again in the situation that, it is slower that the image in image forming part 14 forms speed.In addition, compare with the situation of supplying with paper from the 2nd paper feed 20b, in the situation that supply with paper from being positioned at the 1st paper feed in sheet transport direction downstream, the image of image forming part 14 forms speed.
Then, after image forms and finishes in step S14, in step S16, judge in supply unit whether have paper.Being judged to be have paper in selected supply unit in the situation that, enter step S18, in the situation that being judged to be without paper, finish a series of processing.
Then, in step S18, determine whether and change supplying with the supply unit of paper.Carry out change in the situation that being judged to be, be back to step S10, being judged to be do not change in the situation that, be back to step S12.
In addition, the present invention is not limited to above-mentioned embodiment.
As described above, the present invention can be applied in image processing systems such as duplicating machine, printer, facsimile unit.

Claims (8)

1. an image processing system, it has:
A plurality of supply units, they supply with recording medium;
Image forming part, it forms image at the recording medium transporting from described a plurality of supply units;
Transfer unit, it temporarily stops the recording medium coming from described a plurality of supply units supplies, then recording medium is delivered to described image forming part; And
Regulon, it corresponding to which supply unit among described a plurality of supply units is carried, and regulates the image of described image forming part to form speed.
2. image processing system according to claim 1,
Described image forming part has for keeping the picture holder of toner picture, describedly as holder, corresponding to which supply unit among described a plurality of supply units, carries, and regulates the rotational speed of described picture holder and regulates image to form speed.
3. image processing system according to claim 1 and 2,
Described image forming part has exposure portion, and it makes light scan to form electrostatic latent image, corresponding to which supply unit among described a plurality of supply units, carries, and regulates the sweep velocity in described exposure portion and regulates image to form speed.
4. according to the image processing system described in any one in claims 1 to 3,
Described transfer unit has: driver part, and it is driven in rotation; And slave unit, it carries out driven rotation in the position relative with this driver part, it is larger that described driver part and described slave unit are compared friction factor, the direction of charging into described driver part and described slave unit corresponding to recording medium, regulates the image of described image forming part to form speed.
5. image processing system according to claim 1,
Described a plurality of supply unit has: paper feed, its loaded recording medium; And manual paper feeder, it loads recording medium, compares with the situation that recording medium is carried from described paper feed, and in the situation that recording medium is carried from described manual paper feeder, it is slower that the image of described image forming part forms speed.
6. image processing system according to claim 1,
Described a plurality of supply unit has: manual paper feeder, and it loads recording medium; And conveying device again, it is delivered to described image forming part again by the recording medium that is formed with image on the face of a side, compare with the situation that recording medium is carried from described conveying device again, in the situation that recording medium is carried from described manual paper feeder, it is slower that the image of described image forming part forms speed.
7. image processing system according to claim 1,
Described a plurality of supply unit has: paper feed, its loaded recording medium; And conveying device again, it is delivered to described image forming part again by the recording medium that is formed with image on the face of a side, compare with the situation that recording medium is carried from described paper feed, in the situation that recording medium is carried from described conveying device again, it is slower that the image of described image forming part forms speed.
8. image processing system according to claim 1,
Described a plurality of supply unit has: the 1st paper feed, its loaded recording medium; And the 2nd paper feed, it is arranged on the upstream side of the recording medium transporting direction of the 1st paper feed, for loaded recording medium, compare with the situation that recording medium is carried from described the 2nd paper feed, in the situation that recording medium is carried from described the 1st paper feed, the image of described image forming part forms speed.
CN201310119556.8A 2012-06-25 2013-04-08 Image forming device Pending CN103513535A (en)

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JP2012141756A JP2014006370A (en) 2012-06-25 2012-06-25 Image forming apparatus
JP2012-141756 2012-06-25

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