CN107153342A - Optical writing device, image processing system - Google Patents
Optical writing device, image processing system Download PDFInfo
- Publication number
- CN107153342A CN107153342A CN201710116477.XA CN201710116477A CN107153342A CN 107153342 A CN107153342 A CN 107153342A CN 201710116477 A CN201710116477 A CN 201710116477A CN 107153342 A CN107153342 A CN 107153342A
- Authority
- CN
- China
- Prior art keywords
- latent image
- image carrier
- align member
- photoconductor drum
- writing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000003760 hair shine Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 description 10
- 210000002683 foot Anatomy 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 238000010023 transfer printing Methods 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- 238000009432 framing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 108091008695 photoreceptors Proteins 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
- B41F16/002—Presses of the rotary type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrophotography Configuration And Component (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Heads (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Abstract
It is an object of the invention to provide a kind of optical writing device for the foreign matter that can be removed and be sandwiched between latent image carrier and align member.It includes light shining on photoconductor drum (10) writing the light pen (30) of sub-image, it is arranged between photoconductor drum (10) and light pen (30) and is abutted with photoconductor drum (10), and position the align member (32) of light pen (30) relative to photoconductor drum (10), the first spring (31) that align member (32) is exerted a force towards photoconductor drum (10) side, and, align member (32) is configured to the direction movement towards the direction of principal axis intersection of the force direction with the first spring (31) and photoconductor drum (10), it is characterized in that, align member (32) is by towards crisscross movement, can the position location of positioning light pen (30) and compared with position location be from photoconductor drum (10) keep out of the way after retreating position between reciprocate.
Description
Technical field
The present invention relates to optical writing device and the duplicator including optical writing device, printer, facsimile machine or theirs is more
Image processing system in function ancillary equipment.
Background technology
In the image processing system of electrofax mode, there is provided with can be photograph well in the photoconductor drum as latent image carrier
Penetrate image light, and the optical writing device for writing component of the surface formation electrostatic latent image in photoconductor drum.In the optical writing device
In, in order to correctly irradiate image light to form appropriate electrostatic latent image on photoconductor drum so that write-in component is relative to sense
Body of light drum has high-precision positioning come suitably to keep distance between the two be critically important.
For above-mentioned problem, such as in patent document 1 (JP 2015-13445 publications), be by spring towards
Spacer member is set between light pen and photoreceptor that photoreceptor side is exerted a force, to ensure light pen relative to photoreceptor
There is defined distance.In addition, being by being arranged on light irradiation unit in patent document 2 (JP 2012-247792 publications)
In touch portion and the touching as keeping body, to ensure illumination part and as keeping body has defined distance.
But, set the component of positioning to abut with latent image carrier to ensure to dive between latent image carrier and light write-in component
Have between image carrier and light write-in component in the composition of defined distance, foreign matter can be there are and be clamped into latent image carrier and positioning
The problem of between component., can be in align member and latent that is, the rotational action due to latent image carrier when image is formed etc.
Friction is produced between image carrier, both surfaces will be worn away.Due to the development in the abrasion powder or latent image carrier that so produce
Agent can be clamped between latent image carrier and align member as foreign matter surely, and the frictional force that may result between the two is further
Increase and promote both abrasion or align member position determine precision deteriorate or be in align member and latent image carrier
Between the problem of produce abnormal sound etc..
【Patent document 1】(Japan) JP 2015-13445 publications
【Patent document 2】(Japan) JP 2012-247792 publications
The content of the invention
In view of such thing, can remove it is an object of the invention to provide one kind and be sandwiched into latent image carrier and positioning structure
The optical writing device of foreign matter between part.
In order to solve above-mentioned problem, optical writing device of the invention, it includes：Light writes component, and it light shines latent
Sub-image is write on image carrier；Align member, it is arranged between the latent image carrier and said write component dives with described
Image carrier abuts, and positions said write component relative to the latent image carrier；Force application component, it is by the align member court
The latent image carrier side force, also, the align member is configured to towards the force with the force application component
The direction movement that the direction of principal axis of direction and the latent image carrier intersects, it is characterised in that the align member passes through described in
Crisscross movement, can position the position location of the light write-in component and be from described compared with the position location
Latent image carrier keep out of the way after retreating position between reciprocate.
In the optical writing device of the present invention, align member is arranged to can be past between position location and retreating position
Return movement.By align member towards retreating position movement, it becomes possible to removing be sandwiched into latent image carrier and align member it
Between foreign matter.In addition, by align member towards the movement of position location, align member enables to write-in component relative to latent
Image carrier is repositioned.
Brief description of the drawings
It is the summary pie graph of image processing system shown in Fig. 1.
It is the synoptic diagram of the optical writing device of first embodiment shown in Fig. 2.
It is state diagram when photoconductor drum rotates backward action shown in Fig. 3.
It is the synoptic diagram of the optical writing device with air-supply component shown in Fig. 4.
It is the schematic diagram of the optical writing device for the configuration for being different from present embodiment shown in Fig. 5.
It is the synoptic diagram of the optical writing device of second embodiment shown in Fig. 6.
It is state diagram when photoconductor drum rotates backward action shown in Fig. 7.
Embodiment
Hereinafter, it is explained with reference to the mode of implementation involved in the present invention.Further, in each figure, for same or phase
When part assign same symbol, and suitably omit detail explanation.
In the center of color image forming device 1 shown in Fig. 1, it is configured with and is provided with four processing units with can loading and unloading
9Y, 9M, 9C, 9Bk image forming part 2.Each processing unit 9Y, 9M, 9C, 9Bk correspond to the face of coloured image except containing
Color is decomposed beyond the developers of different colours such as yellow (y), magenta (m), cyan (c), the black (Bk) of composition, other structures
Chengdu is identical.
As specific each processing unit 9, the drum type of the toner as developer can be loaded on the surface by including
Rotor and as the photoconductor drum 10 of latent image carrier, and cause photoconductor drum 10 surface uniform charged charging roller 11, and
To remaining in the cleaning balde 28 that the toner on the photoconductor drum after primary transfer 10 is rejected, and with will toning
Agent is supplied to the developing apparatus 12 of developer roll 13 on the surface of photoconductor drum 10 etc..
Optical writing device 3 is configured with the top of processing unit 9.The LED array being arranged in optical writing device 3 can root
Launch laser according to view data.
Transfer section 4 is configured with the underface of image forming part 2.Transfer section 4 include secondary transfer printing opposed roller 26, first from
Dynamic roller 14, the second driven voller 15, the centre for the ring-type that can be erected at around being movably tensioned on cleaning opposed roller 27 etc. turn
Print band 16, each processing unit 9 intermediate transfer belt 16 is clipped relative to photoconductor drum 10 and be configured in it is opposite and to position
In primary transfer roller 17 etc..Each primary transfer roller 17 presses the inner peripheral surface of intermediate transfer belt 16 at respective position, and
The position that the part and each photoconductor drum 10 that intermediate transfer belt 16 is pushed are contacted is formed with primary transfer clamping part.
In addition, it is relative with secondary transfer printing to clip intermediate transfer belt 16 in intermediate transfer belt 16d secondary transfer printing opposed rollers 26he
Roller 26 it is opposite and to position at be equipped with secondary transfer roller 18.Secondary transfer roller 18 presses the outer peripheral face of intermediate transfer belt 16,
And it is formed with secondary transfer printing clamping part at the position that secondary transfer roller 18 and intermediate transfer belt 16 are contacted.
Sheet feed section 5 is located at the bottom of image processing system 1, includes the paper supply for having housed the use paper P as recording medium
Cartridge 19, and taken out of from paper supply cartridge 19 with paper P paper feed roller 20 etc..
Transport path 6 is the transport path transported with paper P to being taken out of from sheet feed section 5, except a pair of contraposition rollers 21
In addition, it is appropriately configured to have carrying roller pair in the way of the transport path 6 untill the paper discharge unit 8 to postscript.
Fixing section 7 includes by the heated fixing roller 22 of heating source and the backer roll 23 that can be pressurizeed to fixing roller 22
Deng.
Paper discharge unit 8 is arranged on the most downstream of the transport path 6 of image processing system 1.Use has been arranged in the paper discharge unit 8
In a pair of the exit rollers 24 that will be discharged to the outside with paper P and for stack discharge after use paper P discharge tray 25.
Then, reference picture 1 illustrates come the elemental motion to above-mentioned image processing system 1.
In image processing system 1, when image formation, which is acted, to be started, unit 9Y, 9M, 9C, 9Bk sense can be throughout managed
Electrostatic latent image is formed on the surface of body of light drum 10.The view data exposed on each photoconductor drum 10 by optical writing device 3
It is the monochromatic view data after the data that desired full-color image is decomposed to yellowly, cyan, magenta and black.
Form electrostatic latent image on each photoconductor drum 10, put aside the toner in each developing apparatus 12, by the developer roll 13 of drum type come
It is supplied on photoconductor drum 10, electrostatic latent image just comes by visualizable as the toner image (developer picture) of imaging.
In transfer section 4, driven by the rotation of secondary transfer printing opposed roller 26, the just arrow A in figure of intermediate transfer belt 16
Driven on direction by movement.In addition, being applied with each primary transfer roller 17 powered opposite polarity through steady with toner
Determine the voltage that voltage or stabling current are controlled.Thus, in primary transfer clamping part formation transfer electric field, also, formed each
Toner image on photoconductor drum 10 is overlappingly transferred on intermediate transfer belt 16 successively at primary transfer clamping part.So
Afterwards, the toner remained on the photoconductor drum after primary transfer 10 is by the cleaning balde 28 that is abutted with photoconductor drum 10 come quilt
Remove.
On the other hand, when image formation, which is acted, to be started, in the bottom of image processing system 1, the paper supply of sheet feed section 5 is passed through
The revolution driving of roller 20, is housed in being just sent to transport path 6 with paper P and suffer in paper supply cartridge 19.It is sent to conveyance
In path 6 by aligning roller to 21, by after calculating opportunity, secondary transfer roller 18 and secondary transfer printing opposed roller are sent to paper P
In secondary transfer printing clamping between 26.At this moment, it is applied with the charged toner pole with the toner image on intermediate transfer belt 16
The opposite transfer voltage of property, and form transfer electric field in secondary transfer printing clamping part.Then, clamped by being formed in secondary transfer printing
Toner image on the transfer electric field in portion, intermediate transfer belt 16 is just transferred to on paper P by total.
Transported transferred with the use paper P of toner image towards fixing section 7, and by fixing roller 22 and backer roll 23 plus
Heat and pressurization, to cause toner image to on paper P.Then, being fixed has the use paper P of toner image from fixing roller 22
Separation, and after being transported by carrying roller, be discharged in paper discharge unit 8 by exit roller 24 towards discharge tray 25.
Although explanation above is image formation action when full-color image is formed on paper used for recording P, but it is also possible to
It is that monochrome image is formed using some in four processing units 9Y, 9M, 9C, 9Bk, or uses the processing of two or three
Unit 9 formed double-colored or three colors images later.
Then, reference picture 2 illustrates the detailed composition of optical writing device involved by present embodiment.Further, Fig. 2 is down
Direction is the direction down that image processing system is positioned in gravity direction when in horizontal plane.
Optical writing device 3 includes light pen 30 as write-in component, by light pen 30 towards photoconductor drum 10
Side exerts a force and abuts and write light as the first spring 31 of force application component, with photoconductor drum 10 relative to photoconductor drum 10
Enter first 30 align members 32 and framing component 33 navigated in defined position.
Light pen 30 is provided with illuminating part 301, and the face with illuminating part 301 in the face of the side of photoconductor drum 10
The face of opposite side is connected with the first spring 31.
Illuminating part 301 can be the LED array of most LED configurations.In the case of LED array, according to focal length
Attribute, since it is desired that accurately being configured close to photoconductor drum 10, especially present embodiment is described later can remove foreign matter
Composition be effective.
Align member 32 is in the bearing surface 321 that the side of photoconductor drum 10 has and the surface of photoconductor drum 10 is abutted.Bearing surface
321 are formed as the arc-shaped along the surface of photoconductor drum 10.Due to friction can be produced between align member 32 and photoconductor drum 10,
So using having for polyacetals etc. well slides ambulant resin material.
Align member 32 has Liang Gen foots.First foot 322 of side towards the side of light pen 30 extend and with light
Write head 30 is abutted.Second foot 323 of opposite side is in L-shaped shape, with the vertical component effect extended towards the side of light pen 30,
The horizontal part extended with one end from vertical component effect towards the direction at the substantially right angle of the bearing of trend with vertical component effect.
Framing component 33 it is opposite with light pen 30 and to position in be provided with opening portion 331.Align member 32 passes through
Opening portion 331 to extend from the side of light pen 30 towards the side of photoconductor drum 10, also, the first foot of align member 32
322 and pass through openings portion 331 of the second foot 323.
When the side wall of the framing component 33 towards opening portion 331 is left side wall 333 and right side wall 334, align member 32
Be configured to the position location (Fig. 2 position) that is abutted from the first foot 322 with left side wall 333 to the second foot 323 with
The retreating position (aftermentioned Fig. 3 position) that right side wall 334 is abutted is reciprocated.That is, align member 32 is arranged to
Can with the direction of principal axis of the force direction and photoconductor drum 10 of the first spring 31 (from the front facing backwards of paper in Fig. 2
Direction) it is on the direction intersected, to be moved from above-mentioned position location to retreating position.
Framing component 33 is provided with recoverer 332 in the lower right of photoconductor drum 10.Recoverer 332 is to positioning structure described later
The part that remaining toner in the abrasion powder of part 32 or the surface of photoconductor drum 10 removed by cleaning balde 28 etc. is reclaimed.
When image is formed, direction shown in photoconductor drum 10 towards Fig. 2 arrow B1, which is rotated, (to be below also referred to as the rotation
Photoconductor drum 10 rotates forward action).The surface of photoconductor drum 10 come powered, and passes through illuminating part 301 by charging roller 11
Electrostatic latent image is formed after image light to irradiate.Then, by developer roll 13 supply come toner cause electrostatic latent image developing,
And be transferred to toner image on intermediate transfer band at primary transfer clamping part.The photoconductor drum remained in after primary transfer
The toner on 10 surfaces is removed by cleaning balde 28.
When image formation is acted, the align member 32 for being exerted a force and being abutted with photoconductor drum 10 by the first spring 31 passes through sense
Body of light drum 10 rotating forward action and by the power in arrow C1 directions.
Align member 32 is by the power on arrow C1 directions that is subject to from photoconductor drum 10, to be moved to the first foot
322 position locations abutted with the left side wall 333 of framing component 33, and fixed in the position.
Abutted in this way, align member 32 is exerted a force by the first spring 31 with photoconductor drum 10, and when image is formed because photosensitive
The action that rotates forward of body drum 10 is moved to Fig. 2 position location by the power in arrow C1 directions.When align member 32 is fixed
When position position is fixed, light pen 30 (illuminating part 301) just carrys out quilt relative to the surface of photoconductor drum 10 with defined distance
It located.Thus, appropriate focal length is ensured that between illuminating part 301 and the surface of photoconductor drum 10.
At this moment, due to the action that rotates forward of photoconductor drum 10, photoconductor drum 10 and align member 32 can rub.Then,
Because the surface of the friction photoconductor drum 10 and align member 32 can wear away and produce abrasion powder therebetween.When the abrasion powder
When being clamped between the two as foreign matter D, the position of align member 32 determines that precision will be reduced, from be unable to relative to
Photoconductor drum 10 is suitably positioned to light pen 30.In addition, when foreign matter D is clamped into photoconductor drum 10 and positioning structure
When between part 32, the slip of photoconductor drum 10 is mobile to be hindered and is caused the frictional force produced between the two to increase, and is caused
The abrasion of photoconductor drum 10 and align member 32 are promoted.Further, sandwiching due to foreign matter D, can also cause photoreceptor
Abnormal sound is produced between drum 10 and align member 32.In addition, as being clamped between photoconductor drum 10 and align member 32
Foreign matter D, in addition to above-mentioned abrasion powder, further comprises and not eliminated by cleaning balde 28 and remain in the table of photoconductor drum 10
Toner on face etc..
Hereinafter, in the present embodiment, it is clamped into for removal between above-mentioned photoconductor drum 10 and align member 32
Foreign matter D method is illustrated.
In the present embodiment, as illustrated in fig. 3, it is trapped in remove between cleaning balde 28 and photoconductor drum 10
Toner etc., and be in image to remove foreign matter D being clamped between foregoing photoconductor drum 10 and align member 32 etc.
The interval of formation action so that photoconductor drum 10 is rotated towards direction when being formed with image for the arrow B2 of opposite direction
(following, what the rotation was also referred to as photoconductor drum 10 rotates backward action).
Align member 32 is exerted a force and abutted with photoconductor drum 10 by the first spring 31, and reversely turning by photoconductor drum 10
Dynamic action and by the power in arrow C2 directions.The second foot 323 and framework by the align member 32 of the power in arrow C2 directions
The right side wall 334 of component 33 is abutted, also, the horizontal part of the second foot 323 can be moved to the shape set aside on framing component 33
The position (Fig. 3) of state.The position of align member 32 shown in Fig. 3 is not position location, but align member 32 is from photoconductor drum 10
Retreating position after keeping out of the way, above-mentioned at least a portion for rotating backward direction downstream of align member 32 is come compared with position location
It is in de- pressure condition after the disengaging of photoconductor drum 10.
As described above, during align member 32 is moved from position location to retreating position, one of bearing surface 321
Divide and left (de- pressure) from photoconductor drum 10.Thus, the abutting pressure between photoconductor drum 10 and align member 32 is released, from
And the foreign matter D being clamped between the two can be rejected from align member 32.Further, by foreign matter D deadweight, or because
Align member 32 acts on foreign matter D inertia force from position location towards moving for retreating position, and foreign matter D can be from align member
32 are removed and are recycled in recoverer 332.In addition, as illustrated in fig. 4, air-supply can also be set in optical writing device 3
Component 36, direction (the arrow E in figure towards retreating position from position location is carried out by blowing component 36 to align member 32
Direction) air-supply so as to remove foreign matter D.
In the state of image processing system is loaded in the horizontal plane, by retreating position configuration than position location more
By gravity direction downside preferably.In contrast, as illustrated in fig. 5, when retreating position is configured in than position location more by weight
During the upside of force direction, in other words, in the relative position of photoconductor drum 10 and align member 32, if photoconductor drum
10 when rotating backward the upside that direction downstream is gravity direction, foreign matter D will return to photoconductor drum 10 because of falling
In the clip position of align member 32.
However, in the present embodiment, Fig. 2 and Fig. 3 (also having Fig. 6 and Fig. 7 described later) paper is shown below be by
Image processing system is positioned in gravity direction downside during horizontal plane state.That is, in the present embodiment, by image
Forming apparatus is positioned in the state of horizontal plane, and retreating position is configured in be come more to lean under gravity direction compared with position location
Side, just can be effectively from photoconductor drum 10 because foreign matter D can be fallen because of gravity towards the side of recoverer 332
Foreign matter D is removed between align member 32.
The foreign matter D removed from align member 32 is stored temporarily in frame after being removed by cleaning balde 28 together with useless toner etc.
In the recoverer 332 of frame member 33, and waste-toner container is transported to by transporting the conveyance component of coil pipe etc..
The align member 32 being configured in retreating position by with image formation is acted starts associated photoconductor drum
10 rotate forward action, are moved towards the direction of arrow C1 shown in Fig. 2, and be again configured in position location.In this way, this
The align member 32 of embodiment is configured in position location according to the rotational action of photoconductor drum 10 and keeps out of the way position
Put and reciprocate, and pass through the movement of the retreating position towards align member 32, it becomes possible to which removing is clamped into photoconductor drum 10
The foreign matter such as abrasion powder or toner between align member 32 D.
What is illustrated in the above embodiment is align member 32 according only to directly from the rotational action of photoconductor drum 10
The power that is subject to and reciprocated in position location and retreating position, in the optical writing device 3 of second embodiment as shown below
In, it is provided with the pressing member for pushing align member 32 towards retreating position side.
As illustrated in fig. 6, in this second embodiment, the one-way clutch as transmission member is provided with photoconductor drum 10
Device 34.One-way clutch 34 links with pressing member 35, only when rotating backward action, is just turned in photoconductor drum 10
Power passes to pressing member 35.
Align member 32 has the push projection 325 protruded towards paper with front direction.Being abutted in push projection 325 has
The one end of pressing member 35.
Second spring 335 is provided with framing component 33.Second spring 335 is connected with align member 32, and towards calmly
Position position side exerts a force to align member 32.
In when image is formed, align member 32 passes through directly from the rotatory force and second spring of the receiving of photoconductor drum 10
The 335 direction movement applied force to towards arrow C1, and it is moved to position location.Further, turn in the forward direction of photoconductor drum 10
During action, one-way clutch 34 is idle running, also, the rotatory force towards the arrow B1 directions of photoconductor drum 10 is not passed
To in pressing member 35.
On the other hand, as illustrated in fig. 7, in photoconductor drum 10 when rotating backward action, the rotatory force of photoconductor drum 10
It is passed in pressing member 35, pressing member 35 just pushes push projection 325 towards arrow C2 direction.Then, it is fixed
Position component 32 by directly from photoconductor drum 10 receive rotatory force and second spring 335 apply force to towards with second spring
The direction movement for the arrow C2 that 335 applying power mutually resists, and it is moved to retreating position.
When photoconductor drum 10 is when rotating backward release, solved towards the power in the arrow C2 directions of align member 32
Remove, align member 32 is moved towards position location again by the applying power of second spring 335.
As described above, being second when align member 32 is moved from retreating position to position location in the present embodiment
The applying power of spring 335 works, and is that the pressing force of pressing member 35 is acted as when being moved from position location to retreating position
With.Thus, even if the power that is subject to from photoconductor drum 10 of align member 32 is insufficient, also can position location and retreating position it
Between successfully reciprocate.
In each embodiment more than, the action that rotates backward of photoconductor drum 10 is held in the interval that image formation is acted
OK, especially just terminated what is be carried out afterwards in image formation action.Acted according to image formation, as previously mentioned, due to mill
The foreign matter D of consumption powder or toner etc. is clamped between photoconductor drum 10 and align member 32, by being acted in image formation
Carry out rotating backward action after just terminating, it becomes possible to effectively remove foreign matter D.In addition, just being terminated by image formation action
Afterwards rotate backward action be trapped in because can also simultaneously effective remove between cleaning balde 28 and photoconductor drum 10
Toner, so unnecessary idle hours would not occur in image processing system.
In addition, the image processing system of each embodiment can also record the action of the number of times or device of image formation action
Time, and determined according to these number of times or actuation time to rotate backward the opportunity of action.Due to align member 32 or photoreceptor
The abrasion of drum 10 are promoted corresponding to the actuation time (the rotation number of photoconductor drum 10) of device, and are sandwiched into positioning
The foreign matter of abrasion powder between component 32 or photoconductor drum 10 etc. can also increase, when moving for the number of times or device that image formation is acted
When making the time more than defined threshold value, foreign matter just can be effectively removed by performing to rotate backward to act, and will not be in figure
As unnecessary idle hours occurs for forming apparatus.
More than, although embodiments of the present invention are described, but the present invention is not limited to the above-described embodiments, as long as
Various changes are can be carried out in the range of idea of the invention is not departed from.
Image processing system involved in the present invention be not limited to color image forming device shown in Fig. 1 or
Black white image forming apparatus or duplicator, printer, facsimile machine or their multi-function peripheral etc..
As recording medium, in addition to paper P (common paper), also include ground paper, postcard, envelope, thin paper, coating
Paper (coated paper or art paper etc.), translucent drawing paper, OHP sheet materials etc..
Claims (10)
1. a kind of optical writing device, it includes：
Light writes component, and it light shines on latent image carrier to write sub-image；
Align member, it is arranged between the latent image carrier and light write-in component and abutted with the latent image carrier, and
The light write-in component is positioned relative to the latent image carrier；
Force application component, it exerts a force the align member towards the latent image carrier side,
Also, the align member is configured to towards the force direction with the force application component and the latent image carrier
The direction movement that direction of principal axis intersects,
Characterized in that, the align member is by that towards the crisscross movement, can position the light write-in structure
The position location of part and compared with the position location come be from the latent image carrier keep out of the way after retreating position between make come and go move
It is dynamic.
2. optical writing device according to claim 1, it is characterised in that：
By the action that rotates forward of the latent image carrier, the align member is by from the latent image carrier towards the positioning
The power of locality, also,
Acted by the reversion of the latent image carrier, the align member is by from the latent image carrier towards the retreating position
The power in direction.
3. optical writing device according to claim 2, it is characterised in that：
In the latent image carrier when rotating backward action, the described of the align member rotates backward direction downstream at least
A part can depart from or de- pressure from the latent image carrier.
4. the optical writing device according to Claims 2 or 3, it is characterised in that：
It is described rotate backward action be image processing system image formation action just terminated what is carried out afterwards.
5. the optical writing device according to any one of claim 2 to 4, it is characterised in that：
It is described that to rotate backward action be the actuation time that number of times or image processing system are formed according to the image of image processing system
At least one party carry out.
6. the optical writing device according to any one of claim 1 to 5, it is characterised in that：
In the state of image processing system is loaded in the horizontal plane, the retreating position is position compared with the position location
In the downside of gravity direction.
7. the optical writing device according to any one of claim 1 to 6, it is characterised in that including：
The air-supply component of component air-supply is write to the light.
8. the optical writing device according to any one of claim 1 to 7, it is characterised in that including：
Pressing member, it rotates backward action by the align member towards the retreating position by the latent image carrier
Side is pushed；With,
Transmission member, wherein being delivered to the rotatory force of the latent image carrier when rotating backward action of the latent image carrier is described
Pressing member.
9. the optical writing device according to any one of claim 1 to 8, it is characterised in that：
The light write-in component is LED array.
10. a kind of image processing system, it is characterised in that including：
Optical writing device any one of claim 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016040109A JP2017154391A (en) | 2016-03-02 | 2016-03-02 | Optical writing device and image forming apparatus |
| JP2016-040109 | 2016-03-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107153342A true CN107153342A (en) | 2017-09-12 |
| CN107153342B CN107153342B (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710116477.XA Expired - Fee Related CN107153342B (en) | 2016-03-02 | 2017-03-01 | Optical writing device and image forming apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2017154391A (en) |
| CN (1) | CN107153342B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4213580A1 (en) | 2017-08-09 | 2023-07-19 | NEC Corporation | Communication terminal and corresponding communication method for performing dual connectivity |
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| CN101329530A (en) * | 2007-06-20 | 2008-12-24 | 柯尼卡美能达商用科技株式会社 | Image forming apparatus |
| CN101377639A (en) * | 2007-08-31 | 2009-03-04 | 兄弟工业株式会社 | Image forming apparatus |
| US20090080938A1 (en) * | 2007-09-20 | 2009-03-26 | Oki Data Corporation | Exposure device and image forming apparatus |
| US20090169245A1 (en) * | 2007-05-31 | 2009-07-02 | Brother Kogyo Kabushiki Kaisha | Image Forming Apparatus |
| CN101870202A (en) * | 2009-04-23 | 2010-10-27 | 富士施乐株式会社 | Image writing apparatus and image recording apparatus |
| CN102004409A (en) * | 2009-08-28 | 2011-04-06 | 株式会社理光 | Exposure device and image forming apparatus including same |
| US20120070189A1 (en) * | 2008-01-24 | 2012-03-22 | Brother Kogyo Kabushiki Kaisha | Image Forming Apparatus |
| CN103995448A (en) * | 2013-02-19 | 2014-08-20 | 富士施乐株式会社 | Image forming apparatus and exposure device |
| US20160018782A1 (en) * | 2011-12-26 | 2016-01-21 | Brother Kogyo Kabushiki Kaisha | Photosensitive Drum Access Configuration for an Image-Forming Apparatus |
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| US20090169245A1 (en) * | 2007-05-31 | 2009-07-02 | Brother Kogyo Kabushiki Kaisha | Image Forming Apparatus |
| CN101329530A (en) * | 2007-06-20 | 2008-12-24 | 柯尼卡美能达商用科技株式会社 | Image forming apparatus |
| CN101377639A (en) * | 2007-08-31 | 2009-03-04 | 兄弟工业株式会社 | Image forming apparatus |
| US20090080938A1 (en) * | 2007-09-20 | 2009-03-26 | Oki Data Corporation | Exposure device and image forming apparatus |
| US20120070189A1 (en) * | 2008-01-24 | 2012-03-22 | Brother Kogyo Kabushiki Kaisha | Image Forming Apparatus |
| CN101870202A (en) * | 2009-04-23 | 2010-10-27 | 富士施乐株式会社 | Image writing apparatus and image recording apparatus |
| CN102004409A (en) * | 2009-08-28 | 2011-04-06 | 株式会社理光 | Exposure device and image forming apparatus including same |
| US20160018782A1 (en) * | 2011-12-26 | 2016-01-21 | Brother Kogyo Kabushiki Kaisha | Photosensitive Drum Access Configuration for an Image-Forming Apparatus |
| CN103995448A (en) * | 2013-02-19 | 2014-08-20 | 富士施乐株式会社 | Image forming apparatus and exposure device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017154391A (en) | 2017-09-07 |
| CN107153342B (en) | 2020-04-03 |
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