CN102103343A - Method and device for reducing pollution of charging body and electrostatic carrier - Google Patents
Method and device for reducing pollution of charging body and electrostatic carrier Download PDFInfo
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- CN102103343A CN102103343A CN 201110031320 CN201110031320A CN102103343A CN 102103343 A CN102103343 A CN 102103343A CN 201110031320 CN201110031320 CN 201110031320 CN 201110031320 A CN201110031320 A CN 201110031320A CN 102103343 A CN102103343 A CN 102103343A
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- supporting body
- image forming
- charge bulk
- static supporting
- static
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000003068 static effect Effects 0.000 claims description 123
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 239000004568 cement Substances 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 33
- 150000002739 metals Chemical class 0.000 claims description 33
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 abstract 3
- 238000004140 cleaning Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000011087 paperboard Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000007648 laser printing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 equipment failure Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a method and a device for reducing pollution of a charging body and an electrostatic carrier. The method comprises the following steps of: detecting whether an electrostatic imaging device is in a working state or not; controlling the contact between the charging body and the electrostatic carrier if the condition that the electrostatic imaging device is in the working state is determined; and automatically getting the charging body away from the electrostatic carrier if the condition that the electrostatic imaging device is in the non-working state is determined. Since the charging body is separated from the surface of the electrostatic carrier in the non-working state, the requirements on the charging body can be greatly reduced to simplify the manufacturing process and the cost.
Description
Technical field
The present invention relates to a kind ofly comprise laser printing, xerox etc., relate in particular to a kind of improvement that reduces the method and apparatus that charge bulk and static supporting body pollute in interior electrophotographic image forming technical field.
Background technology
In existing electrophotographic image forming product, laser printing product for example, xerox product etc., all need to be provided with a charge bulk, described charge bulk all contacts with static supporting body surface, as shown in Figure 1,1 is the static supporting body, the 2nd, charge bulk, the 3rd, plastic cement five metals support, the 4th, connect support, 6 and 6 is springs, principle of work is as shown in Figure 1: spring 6 is mounted on the plastic cement five metals support 3, it is compressed that product assembles rear spring 6, makes charge bulk 2 keep contacting all the time with static supporting body 1 so maintain downward thrust, and the dynamics of contact is by the structure and the decision of installing space size of spring 6.
In general, the function of charge bulk itself adds the layer of even electric charge on static supporting body surface exactly, makes developer (carbon dust) form predetermined image on the static supporting body; Charge bulk goes to realize its function owing to will add some particular matters on the one hand, so usually can separate out some micromolecule to the charge bulk surface, if charge bulk and static supporting body keep in touch, after long-time storage or standby, the micromolecule of transferring to static supporting body surface like this from the charge bulk surface can build up, and pollutes static supporting body surface; Though on the other hand the downstream of the static supporting body sense of rotation of prior art and contact the position of described static supporting body at described charge bulk before be provided with cleaning device, yet in the product assembling process or after long-time the use, owing to some uncontrollable reasons (for example add lubricant, equipment failure, paperboard, outage midway etc.), more residual lubricants of meeting and/or developer on the static supporting body surface, and cleaning device can not guarantee it is disposed fully, cause the charge bulk meeting contaminated like this, and charge bulk contaminated after, its resistance will be affected, and then influence charging effect, finally can influence the image output quality.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide the method and the device that reduce charge bulk and the pollution of static supporting body in a kind of electrophotographic image forming field, be intended to solve existing charge bulk and contact the easy contaminated problem of charge bulk and static supporting body for a long time with the static carrier surface.
Technical scheme of the present invention is as follows:
A kind of method that reduces charge bulk and the pollution of static supporting body, its concrete steps are:
Detect static image forming apparatus and whether be in duty, be in duty, then control charge bulk and contact with the static supporting body if be judged as; If be judged as off working state, then charge bulk is automatically away from the static supporting body.
The method that described minimizing charge bulk and static supporting body pollute wherein, is installed to static image forming apparatus in the electrophotographic image forming equipment and is defined as duty.
The method that described minimizing charge bulk and static supporting body pollute wherein, after static image forming apparatus is installed in the electrophotographic image forming equipment, is defined as duty with the power supply of connecting in the electrophotographic image forming equipment.
The method that described minimizing charge bulk and static supporting body pollute, wherein, when electrophotographic image forming equipment received the work order of the information of prining, it was in running order then to define static image forming apparatus.
The method that described minimizing charge bulk and static supporting body pollute, wherein, if interrupting appears when task is printd in execution in electrophotographic image forming equipment, when electrophotographic image forming equipment restarts, static image forming apparatus is done one start to handle, described startup is handled and is specially: the static supporting body in the described static image forming apparatus can be according to clockwise or counterclockwise rotate a few.
A kind of device that reduces charge bulk and the pollution of static supporting body, comprise static supporting body, charge bulk, plastic cement five metals support, wherein, also comprise co-acting lever, spring and be used to resist the force application apparatus of described spring reset, described co-acting lever is arranged in the plastic cement five metals support, and an end connects described charge bulk; Described spring is arranged between co-acting lever and the plastic cement five metals support, is used to make charge bulk automatically away from described static supporting body; Described force application apparatus acts on the described co-acting lever, is used to make described charge bulk to contact described static supporting body.
The device that described minimizing charge bulk and static supporting body pollute, wherein, described force application apparatus comprises solenoid and iron block, described iron block is fixed on the co-acting lever; Described solenoid is fixed on the plastic cement five metals support, and the corresponding setting with described iron block of described solenoid; Hold described iron block after the described solenoid energising, described charge bulk is contacted with described static supporting body.
The device that described minimizing charge bulk and static supporting body pollute, wherein, described solenoid connects the supply unit in the electrophotographic image forming equipment, the then described solenoid energising of described supply unit energising.
The device that described minimizing charge bulk and static supporting body pollute, wherein, described device also comprises a controller, described controller connects described solenoid, described controller is used to detect electrophotographic image forming equipment and whether receives the work order of prining, when receiving the work order of prining, then controller is switched on to described solenoid.
The device that described minimizing charge bulk and static supporting body pollute, wherein, described force application apparatus comprises driving handle and the block that is fixed in the electrophotographic image forming equipment, and an end of described driving handle connects described co-acting lever, and the other end is a free end; In described static image forming apparatus was packed described electrophotographic image forming equipment into, the free end of described driving handle was subjected to the spacing of described block, and an end that connects co-acting lever is pressed down, and realized charge bulk contact static supporting body.
The device that described minimizing charge bulk and static supporting body pollute, wherein, described device also comprises a stop, described stop is arranged on the described plastic cement five metals support, is used for the displacement of spacing described co-acting lever to static supporting body direction.
Beneficial effect of the present invention: whether in working order the present invention by detecting the electrophotographic image forming product, whether control charge bulk contacts with static supporting body surface, in the time of in working order, charge bulk contacts with static supporting body surface, by pre-provisioning request is charged in static supporting body surface; When off working state, charge bulk is in not contact condition away from static supporting body surface automatically.And, corresponding device thereof is set according to different duty bases for estimation.Because charge bulk and static supporting body surface isolate in off working state, to shorten the duration of contact on charge bulk and static supporting body surface so greatly, thereby reduce the chance that charge bulk pollutes static supporting body surface, so enforcement of the present invention, requirement be will reduce greatly, thereby its manufacturing process and cost simplified charge bulk.
Description of drawings
Fig. 1 is the locations of structures synoptic diagram of charge bulk and static supporting body in the prior art.
Fig. 2 is a kind of electrophotographic image forming product principle of work synoptic diagram of toner cartridge.
Fig. 3 is the structural representation that apparatus of the present invention first preferred technique scheme provides.
Fig. 4 is the structural representation that apparatus of the present invention second preferred technique scheme provides.
Fig. 5 is the structural representation that apparatus of the present invention the 3rd preferred technique scheme provides.
Fig. 6 is the schematic flow sheet of the inventive method.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.
In electrophotographic image forming product of the present invention, its product by charging device, static supporting body, developer, develop developer to the developing apparatus on static supporting body surface and the cleaning device that is used to clean the static load-bearing surface constitutes; This electrophotographic image forming product is placed in the electrophotographic image forming equipment and uses; This electrophotographic image forming equipment is driven by general industry or mains lighting supply.
Embodiment of the invention laser selenium drum is that example illustrates embodiment of the present invention:
As shown in Figure 2, toner cartridge comprises: charging device 12 (being charge bulk), organic light guide drum 11(are the static supporting body), developing apparatus 23, cleaning doctor 26, developer 22 and plastic cement five metals support 3, the effect of plastic cement five metals support 3 is that charging device 12, organic light guide drum 11, developing apparatus 23, cleaning doctor 26, developer 22 etc. are arranged on the predetermined locus.
Its groundwork process is as follows: charging device 12 adds the layer of even electric charge on request on organic light guide drum 11 surfaces; After laser scanning, form electrostatic latent image; The developer that is stored in the developer 22(present embodiment in the powder-storage bin 20 is a carbon dust), be developed through developing apparatus 23 on the electrostatic latent image on organic light guide drum 11 surfaces; Organic light guide drum 11 rotates in the direction of the clock in operate as normal; Bottom at product, transfer device 24 in organic light guide drum 11 surperficial exposed portions serve and the electrophotographic image forming equipment constitutes transfer area, in transfer area, carbon dust is transferred on the paper 27, just can outwards export after the fixing device (not shown) photographic fixing in electrophotographic image forming equipment then; The remaining carbon dust 25 that is not transferred in transfer area is brought to the clear area, and the scraper 26 that is cleaned is collected in the waste powder hopper 21.
At above-mentioned principle of work, reduce the method that charge bulk pollutes in a kind of electrophotographic image forming field that the present invention proposes, as shown in Figure 6, its concrete steps are: detect the electrophotographic image forming product and whether be in duty, be in duty if be judged as, then control charge bulk and contact with the static supporting body; If be judged as off working state, then charge bulk is automatically away from the static supporting body.
Wherein, multiple scheme is arranged for the judgement of duty and off working state: scheme 1, product is installed in the electrophotographic image forming equipment is defined as duty, be off working state and product is taken out the electrophotographic image forming device definition; Scheme 2, be installed to product in the electrophotographic image forming equipment after, connect the electrophotographic image forming device power supply (DPS) then and be defined as duty, be defined as off working state and will disconnect the electrophotographic image forming device power supply (DPS); Scheme 3 is installed to product in the electrophotographic image forming equipment, connects the electrophotographic image forming device power supply (DPS) then, and when electrophotographic image forming equipment received the work order of the information of prining, it was in running order then to define product; When not receiving the work order of the information of prining in the given time after electrophotographic image forming equipment is finished the task of prining, product is in off working state automatically.At the definition of above-mentioned duty and off working state, can in software systems, provide the setting window to select to set.
In general, if when task is printd in execution, electrophotographic image forming equipment occur to interrupt (for example paperboard or outage etc.), and at this moment static supporting body surface has and develops and the developer of transfer printing and be not transferred and above developer that the device that is not cleaned cleans stays not.Therefore, at the electrophotographic image forming equipment power-on or open and cover or open that paperboard cleaning cover plate covers or when reinstalling product after product is installed cover plate more again; Need do a warm start to equipment, the static supporting body in the product can rotate several circles according to clockwise direction, and product also can be designed to counterclockwise be operative orientation certainly.
If the cleaning safeguard measure above adding in the control method in scheme 3, charge bulk separates with the static supporting body during owing to cleaning, so can not be developed the agent pollution by fine protection charge bulk.
Need to prove: when organic light guide drum rotates by counter clockwise direction, cleaning doctor does not have cleaning function, but can be with the lubricant homogenising on the organic light guide drum, so after adding lubricant, counterclockwise rotate a few circle lubricant effects meetings better to organic light guide drum.
The invention provides concrete device at said method is achieved, described device comprises: comprise static supporting body, charge bulk, plastic cement five metals support, wherein, also comprise co-acting lever, spring and be used to resist the force application apparatus of described spring reset, described co-acting lever is arranged in the plastic cement five metals support, and an end connects described charge bulk; Described spring is arranged between co-acting lever and the plastic cement five metals support, is used to make charge bulk automatically away from described static supporting body; Described force application apparatus acts on the described co-acting lever, is used to make described charge bulk to contact described static supporting body.
At scheme 1: product being installed in the electrophotographic image forming equipment being defined as duty, is off working state and product is taken out the electrophotographic image forming device definition.The present invention proposes a kind of concrete apparatus structure, and wherein, described force application apparatus comprises driving handle and the block that is fixed in the electrophotographic image forming equipment, and an end of described driving handle connects described co-acting lever, and the other end is a free end; In described static image forming apparatus was packed described electrophotographic image forming equipment into, the free end of described driving handle was subjected to the spacing of described block, and an end that connects co-acting lever is pressed down, and realized charge bulk contact static supporting body.Specifically as shown in Figure 3, in the present embodiment, also be provided with a stop, be used for the displacement of spacing described co-acting lever to static supporting body direction, certainly realize this purpose, be not limited to be provided with stop, those skilled in the art can also have other multiple modes to realize.
Referring to Fig. 3: 1 is the static supporting body, and 2 is charge bulk, and 3 is plastic cement five metals support, and 4 is co-acting lever, and 5 is stop, and 6 is spring, and 7 is driving handle, and 8 for being fixed on the block in the electrophotographic image forming equipment.Described co-acting lever is arranged in the described plastic cement five metals support, and an end connects driving handle, other end connection charge bulk; Described stop is arranged on the described plastic cement five metals support, is used for the displacement that spacing described co-acting lever moves down; Described spring is arranged between co-acting lever and the described plastic cement five metals support, is used to make described co-acting lever to reset, and makes charge bulk automatically away from described static supporting body.
The groundwork process is: when product is not installed, elastic force upwards arranged after spring 6 is compressed, charge bulk 2 upwards mentioned by this elastic force, and away from static supporting body 1 surface, the upper part of plastic cement five metals support 3 this is moved upward restricted function.When product is packed in electrophotographic image forming equipment, be equivalent to product and do downward motion, because block 8 is fixed, the inner moves downward so cause the outer end of driving handle 7 to move upward, promoting co-acting lever 4 by its inner shell fragment moves downward, make charge bulk 2 move downward contact static supporting body 1 surface, stop 5 moves downward restricted function to this; After product was fixedly installed in the electrophotographic image forming equipment, charge bulk 2 always kept contacting by the predetermined design dynamics with static supporting body 1 surface, realizes its charge function; When product was taken out from electrophotographic image forming equipment, the external force of driving handle 7 was removed, and simultaneously the elastic force of its end shell fragment also just disappears, charge bulk 2 under the elastic force effect of spring 6 automatically away from static supporting body 1 surface.
At scheme 2: after being installed to product in the electrophotographic image forming equipment, connecting the electrophotographic image forming device power supply (DPS) then and be defined as duty, be defined as off working state and will disconnect the electrophotographic image forming device power supply (DPS).The present invention proposes a kind of concrete apparatus structure, and described force application apparatus comprises solenoid and iron block, and described iron block is fixed on the co-acting lever; Described solenoid is fixed on the plastic cement five metals support, and the corresponding setting with described iron block of described solenoid; Hold described iron block after the described solenoid energising, described charge bulk is contacted with described static supporting body.Specifically as shown in Figure 4, in the present embodiment, described device also is provided with a stop, be used for the displacement of spacing described co-acting lever to static supporting body direction, certainly realize this purpose, be not limited to be provided with stop, those skilled in the art can also have other multiple modes to realize.
Referring to Fig. 4: 1 is the static supporting body, and 2 is charge bulk, and 3 is plastic cement five metals support, and 4 is co-acting lever, and 5 is stop, and 6 is spring, and 9 for being fixed on the iron block on the co-acting lever, and 10 for being fixed on the solenoid on the stop 5.Described co-acting lever is arranged in the plastic cement five metals support, and an end connects described charge bulk; Described stop is arranged on the described plastic cement five metals support, is used for spacing described co-acting lever; Described spring is arranged between co-acting lever and the plastic cement five metals support, is used to make charge bulk automatically away from described static supporting body; The corresponding setting with described iron block of described solenoid holds described iron block after the described solenoid energising, and described charge bulk is contacted with described static supporting body.Described solenoid connects the supply unit in the electrophotographic image forming equipment, the then described solenoid energising of described supply unit energising.
The groundwork process is: when product is not installed, elastic force upwards arranged after spring 6 is compressed, charge bulk 2 upwards mentioned by this elastic force, and away from static supporting body 1 surface, the upper part of plastic cement five metals support 3 this is moved upward restricted function; After in the electrophotographic image forming equipment that product is packed into, connecting described electrophotographic image forming device power supply (DPS) powers to it, solenoid 10 just has electric current to pass through, then it can produce the electromagnetic attraction to iron block 9, promoting co-acting lever 4 moves downward, make charge bulk 2 move downward contact static supporting body 1 surface, stop 5 moves downward restricted function to this; If electrophotographic image forming equipment does not cut off the power supply, then solenoid 10 just has scheduled current to pass through always, and then charge bulk 2 always keeps contacting by the predetermined design dynamics with static supporting body 1 surface; After the electrophotographic image forming device powers down, solenoid 10 does not just have electric current to pass through, then the electromagnetic attraction of iron block 9 is also just disappeared, charge bulk 2 under the elastic force effect of spring 6 automatically away from static supporting body 1 surface.
At scheme 3: when electrophotographic image forming equipment received the work order of the information of prining, it was in running order then to define product; When electrophotographic image forming equipment was not received work order in the given time, product was in off working state automatically.The present invention proposes a kind of concrete apparatus structure, and the constructional device of present embodiment is improved in addition on the structure of scheme 2, specifically as shown in Figure 5.
Referring to Fig. 5: 1 is the static supporting body, and 2 is charge bulk, and 3 is plastic cement five metals support, and 4 is co-acting lever, and 5 is stop, and 6 is spring, and 9 for being fixed on the iron block on the co-acting lever, and 10 for being fixed on the solenoid on the stop 5.Described co-acting lever is arranged in the plastic cement five metals support, and an end connects described charge bulk; Described stop is arranged on the described plastic cement five metals support, is used for spacing described co-acting lever; Described spring is arranged between co-acting lever and the plastic cement five metals support, is used to make charge bulk automatically away from described static supporting body; The corresponding setting with described iron block of described solenoid, described solenoid is connected to the supply unit in the electrophotographic image forming equipment, holds described iron block after the described solenoid energising, and described charge bulk is contacted with described static supporting body.Described device also comprises a controller 11, described controller 11 connects described solenoid, described controller is used to detect electrophotographic image forming equipment and whether receives the work order of prining, and when receiving the work order of prining, then controller is switched on to described solenoid.
The groundwork process is: when product is not installed, elastic force upwards arranged after spring 6 is compressed, charge bulk 2 upwards mentioned by this elastic force, and away from static supporting body 1 surface, the upper part of plastic cement five metals support 3 this is moved upward restricted function; After in the electrophotographic image forming equipment that product is packed into, if electrophotographic image forming equipment is not received when prining instruction, solenoid 10 does not just have electric current to pass through, then iron block 9 just there is not electromagnetic attraction, when electrophotographic image forming equipment is received when instruction of prining, controller is just to solenoid 10 power supplies, at this moment, solenoid 10 just has electric current to pass through, then it produces electromagnetic attraction to iron block 9, promote co-acting lever 4 and move downward, make charge bulk 2 move downward contact static supporting body 1 surface, stop 5 moves downward restricted function to this; Electrophotographic image forming equipment finish the task of prining and on schedule time-delay during this period of time, solenoid 10 has scheduled current to pass through always, then charge bulk 2 always keeps contacting by the predetermined design dynamics with static supporting body 1 is surperficial; After predetermined delay time, controller is to solenoid 10 outages, and then the electromagnetic attraction to iron block 9 also just disappears, charge bulk 2 under the elastic force effect of spring 6 automatically away from static supporting body 1 surface.
In addition, force application apparatus of the present invention is not limited to two above-mentioned class formations, also comprise other a variety of devices that can resist described spring reset, for example, described iron block is set as magnet, by the direction of current that flows through in the solenoid is adjusted, utilization magnet magnetic pole of the same name repels mutually, the principle that synonyms pole attracts mutually realize controlling charge bulk and static supporting body contact with automatically away from.
Advantage of the present invention: on the one hand, owing to print test, in the production and assembly operating process, have developer and lubricant and drop on static supporting body surface, will pollute charge bulk like this and influence its resistance, and then influence charging effect, finally influence output quality; Enforcement of the present invention because charge bulk and static supporting body surface isolate in off working state, can be rotated the static supporting body, makes cleaning device earlier that static supporting body cleaning surfaces is clean, so benefit is conspicuous.
On the other hand, enforcement of the present invention, because charge bulk and static supporting body surface isolate in off working state, to shorten the duration of contact on charge bulk and static supporting body surface so greatly, thereby reduce the chance that charge bulk pollutes static supporting body surface, it is to be noted especially: because product is in the storage time or in outage is had a rest or in the standby process, charge bulk and static supporting body surface isolate, and very big benefit is arranged like this.Mill trial results shows: under the surperficial situation about contacting of charge bulk and static supporting body, be implemented in a couple of days or do not produce unacceptable influence in several weeks and be not difficult, but realize that it is difficult that several months or several years do not produce unacceptable influence, will need high investment, expensive like this.So enforcement of the present invention will reduce the requirement to charge bulk greatly, thereby simplifies its manufacturing process and cost.
Should be understood that; application of the present invention is not limited to above-mentioned giving an example; especially be not limited to the description of said apparatus structure; for those of ordinary skills; can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. one kind is reduced the method that charge bulk and static supporting body pollute, and its concrete steps are:
Detect static image forming apparatus and whether be in duty, be in duty, then control charge bulk and contact with the static supporting body if be judged as; If be judged as off working state, then charge bulk is automatically away from the static supporting body.
2. the method that minimizing charge bulk according to claim 1 and static supporting body pollute is characterized in that, after static image forming apparatus is installed in the electrophotographic image forming equipment, the power supply of connecting electrophotographic image forming equipment is defined as duty.
3. the method that minimizing charge bulk according to claim 1 and static supporting body pollute is characterized in that, when electrophotographic image forming equipment receives the work order of the information of prining, it is in running order then to define static image forming apparatus.
4. the method that minimizing charge bulk according to claim 3 and static supporting body pollute, it is characterized in that, if interrupting appears when task is printd in execution in electrophotographic image forming equipment, when electrophotographic image forming equipment restarts, static image forming apparatus will be done one and start handle, and described startup is handled and is specially: the static supporting body in the described static image forming apparatus can be according to clockwise or counterclockwise rotate a few.
5. one kind is reduced the device that charge bulk and static supporting body pollute, comprise static supporting body, charge bulk, plastic cement five metals support, it is characterized in that, also comprise co-acting lever, spring and be used to resist the force application apparatus of described spring reset, described co-acting lever is arranged in the plastic cement five metals support, and an end connects described charge bulk; Described spring is arranged between co-acting lever and the plastic cement five metals support, is used to make charge bulk automatically away from described static supporting body; Described force application apparatus acts on the described co-acting lever, is used to make described charge bulk to contact described static supporting body.
6. the device that minimizing charge bulk according to claim 5 and static supporting body pollute is characterized in that described force application apparatus comprises solenoid and iron block, and described iron block is fixed on the co-acting lever; Described solenoid is fixed on the plastic cement five metals support, and the corresponding setting with described iron block of described solenoid; Hold described iron block after the described solenoid energising, described charge bulk is contacted with described static supporting body.
7. the device that minimizing charge bulk according to claim 6 and static supporting body pollute is characterized in that, described solenoid connects the supply unit in the electrophotographic image forming equipment, the then described solenoid energising of described supply unit energising.
8. the device that minimizing charge bulk according to claim 6 and static supporting body pollute, it is characterized in that, described device also comprises a controller, described controller connects described solenoid, described controller is used to detect electrophotographic image forming equipment and whether receives the work order of prining, when receiving the work order of prining, then controller is switched on to described solenoid.
9. the device that minimizing charge bulk according to claim 5 and static supporting body pollute, it is characterized in that, described force application apparatus comprises driving handle and the block that is fixed in the electrophotographic image forming equipment, and an end of described driving handle connects described co-acting lever, and the other end is a free end; In described static image forming apparatus was packed described electrophotographic image forming equipment into, the free end of described driving handle was subjected to the spacing of described block, and an end that connects co-acting lever is pressed down, and realized charge bulk contact static supporting body.
10. the device that pollutes according to any described minimizing charge bulk of claim 5-9 and static supporting body, it is characterized in that, described device also comprises a stop, described stop is arranged on the described plastic cement five metals support, is used for the displacement of spacing described co-acting lever to static supporting body direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110031320 CN102103343A (en) | 2011-01-28 | 2011-01-28 | Method and device for reducing pollution of charging body and electrostatic carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110031320 CN102103343A (en) | 2011-01-28 | 2011-01-28 | Method and device for reducing pollution of charging body and electrostatic carrier |
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| Publication Number | Publication Date |
|---|---|
| CN102103343A true CN102103343A (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110031320 Pending CN102103343A (en) | 2011-01-28 | 2011-01-28 | Method and device for reducing pollution of charging body and electrostatic carrier |
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| Country | Link |
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| CN (1) | CN102103343A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097876A (en) * | 1993-05-31 | 1995-01-25 | 三田工业株式会社 | Electrophotographic apparatus |
| CN1489004A (en) * | 2002-09-17 | 2004-04-14 | �ֵܹ�ҵ��ʽ���� | Processing device and image forming device |
| JP2007011084A (en) * | 2005-06-30 | 2007-01-18 | Ricoh Co Ltd | Image forming method and apparatus |
-
2011
- 2011-01-28 CN CN 201110031320 patent/CN102103343A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097876A (en) * | 1993-05-31 | 1995-01-25 | 三田工业株式会社 | Electrophotographic apparatus |
| CN1489004A (en) * | 2002-09-17 | 2004-04-14 | �ֵܹ�ҵ��ʽ���� | Processing device and image forming device |
| JP2007011084A (en) * | 2005-06-30 | 2007-01-18 | Ricoh Co Ltd | Image forming method and apparatus |
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