CN102411297A - Processing box and processing box refitting method - Google Patents
Processing box and processing box refitting method Download PDFInfo
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- CN102411297A CN102411297A CN2011103963093A CN201110396309A CN102411297A CN 102411297 A CN102411297 A CN 102411297A CN 2011103963093 A CN2011103963093 A CN 2011103963093A CN 201110396309 A CN201110396309 A CN 201110396309A CN 102411297 A CN102411297 A CN 102411297A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1867—Means for handling the process cartridge in the apparatus body for electrically connecting the process cartridge to the apparatus, electrical connectors, power supply
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
- G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
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- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
- Dry Development In Electrophotography (AREA)
- Developing For Electrophotography (AREA)
Abstract
The invention provides a processing box and a processing box refitting method. A photosensitive drum of the processing box is in axial contact with a developing device of the processing box, and an electronic module is arranged in the processing box. The electronic module comprises a diode, a filter capacitor, a resistor, a voltage stabilizing tube and a second wiring terminal, wherein the negative pole of the diode is electrically connected with a first wiring terminal, and the first wiring terminal is used for receiving power supply signals on a laser printer; the filter capacitor is electrically connected between the positive pole of the diode and the ground; the resistor and the voltage stabilizing tube are mutually connected in series, the other end of the resistor is electrically connected with the positive pole of the diode, and the other end of the voltage stabilizing tube is grounded; and the second wiring terminal is electrically connected with a connecting point between the resistor and the voltage stabilizing tube, and the second wiring terminal outputs developing bias signals to the developing device. The electronic module converts the developing bias which is supplied to the processing box from the laser printer and contains alternating current components and direct current components into the developing bias of negative direct current, and the photosensitive drum is in contact with the developing device along an axial line, thereby realizing an operating mode of contact-type developing, and further improving the print quality.
Description
Technical field
The present invention relates to a kind of handle box and method of modifying thereof that is used for electrophotographic image forming.
Background technology
Electrophotographic image forming is a kind of equipment that utilizes the electrophotographic image forming principle on recording materials, to form image, and it comprises facsimile recorder of electrophotographic copier, electrophotographic printer, electrophotographic printer etc.The handle box that in electrophotographic image forming, uses is one and comprises at least as the developer roll of developing apparatus and the unit box of photosensitive drums, and handle box is installed in the main body of electrophotographic image forming with mode removably.
A typical electronic photograph imaging device is a laser printer, and laser printer is one of present most widely used computing machine output peripheral equipment, and it utilizes physics, the principles of chemistry output character or image on media such as paper of light, electricity, heat.The groundwork process of laser printer can be divided into charging, exposure, development, transfer printing, photographic fixing, seven steps of electricity clean, disappear.
Referring to Fig. 1, Fig. 1 is the synoptic diagram of reflection printer groundwork process, and wherein the dotted line inner region is the handle box that is installed in the printer.At first, charged by charging roller 2 ' equably in photosensitive drums 1 ' surface, and laser scanner is launched the laser through ovennodulation that contains image information to photosensitive drums 1 ', forms and the electrostatic latent image of treating that duplicating image is corresponding on photosensitive drums 1 ' surface.Then, from the carbon dust of developer roll/magnetic roller 3 ' then be adsorbed on the photosensitive drums 1 ' surface and make electrostatic latent image convert visual image to, along with the rotation of photosensitive drums 1 ', carbon dust replaces to transfer roll 4 ' at the visual image that photosensitive drums 1 ' surface forms.At last; Under the effect of transfer roll 4 ' transfer voltage; Visual image is transferred on the recording mediums such as paper; Through heating, the pressurization of warm-up mill, backer roll 5 ' to the visual image on the recording medium, the visual image full solidification that carbon dust forms on recording medium, the basic imaging process of Here it is laser printer.Wherein, Carbon dust on developer roll/magnetic roller 3 ' is provided by powder storehouse 6 '; Powder delivery scraper 7 ' has the effect that makes the carbon dust frictional electrification and the powder layer thickness of control developer roll/magnetic roller 3 '; Cleaning doctor 8 ' is used for wiping photosensitive drums 1 ' the surperficial remaining carbon dust off, and remaining carbon dust falls into waste powder hopper 9 ', and charging roller 2 ' also has the effect of eliminating photosensitive drums 1 ' the surperficial rest potential.
The structure of charging roller, it is made up of the conductive sponge in the metal shaft that is positioned at innermost layer, middle layer and the semi-insulator on top layer.Handle box is installed to when using in the printer; The printer feed circuit are supplied with the metal shaft high pressure negative bias of charging roller; Generally be higher than-1200V, negative bias makes charging roller discharge, at the angle ionized air of charging roller and photosensitive drums osculatory; Make the even cloth electricity of photosensitive drum surface, voltage Gao Yu – 600V.
Referring to Fig. 2, Fig. 2 shows the electric situation of connecing of charging roller and photosensitive drums simply, wherein loads charging bias voltage, photosensitive drums ground wire on the charging roller.
Referring to Fig. 3, Fig. 3 shows the structure of photosensitive drums.The photosensitive drums of tubular structure mainly is to form multilayer organic light-guide material layer at aluminium matter barrel outer surface; From outward appearance to inner essence comprise CTL (Carrier Transport Lager) layer and CGL (Carrier Geceration Lager) layer respectively, also have anodization (UCL), aluminium base.The CTL layer is used to the thickness that provides certain, makes surface energy receive the 500-1000V charge level, and the transportation positive charge is to photosensitive drum surface.The CGL layer is used for after laser radiation, and it is right to produce electronics/vacancy.Anodization is used to prevent the electric charge reflection, absorbs laser, allows negative charge to import the earth, strengthens anode oxidation property.Aluminium basely be used for ground connection.
In exposure process, carry the laser beam of digital signal, shine the photosensitive drum surface that is recharged; After the CGL layer is accepted laser radiation; It is right to produce electronics/vacancy, and negative charge imports the earth through the UCL layer, and vacancy partly neutralizes through the transmission of CTL layer and the negative charge of photosensitive drum surface; Make the current potential in photosensitive drum surface digital signal zone descend, form " electrostatic latent image ".
The main effect of developer roll/magnetic roller is the carbon dust that provides enough participations to develop for photosensitive drums.Photosensitive drums after the exposure is carried " electrostatic latent image " rotation; During through developer roll/magnetic roller, the carbon dust on the developer roll is under the effect of electric field force, under the carbon dust on the magnetic roller acts in electric field force and magnetic field force; Part is transferred to " electrostatic latent image " zone, forms by " carbon dust picture ".
The structure of developer roll is to be made up of the conductive sponge rubber material in the iron axle that is positioned at innermost layer, middle layer and the semi-insulator on top layer.The iron axle plays conduction current, and the conductive sponge rubber material plays transmission charge, and the effect of semi-insulator is carbon dust to be carried to participate on the photosensitive drums developing.
The structure of magnetic roller comprises a development sleeve, adopts the aluminium sleeve usually, is installed in the magnetic core in the aluminium sleeve, is installed in the magnetic core support at aluminium sleeve two ends, and the aluminium sleeve outer surface is covered with the surface coating of conductive black material.The effect of magnetic core is the magnetic carbon dust of adsorption band, makes it adhere to the surface with the aluminium sleeve.The aluminium sleeve is used for conduction and load-bearing surface coating.Surface coating and carbon dust friction make it charged.
One end of developer roll/magnetic roller connects a conducting strip, conducting strip be used for laser printer in electric contact be electrically connected, thereby laser printer can provide a development bias voltage to developer roll/magnetic roller.
In the contact visualization way, there is not the space between developer roll and the photosensitive drums, be in contact with one another.The development bias voltage of laser printer conductive sheet output only comprises DC component, and this DC component is to be lower than 0 volt voltage, the development bias voltage waveform figure that exports referring to laser printer shown in Figure 4.Like this, carbon dust can not beated between developer roll and photosensitive drums, so carbon dust directly is transferred to the surface of photosensitive drums under the effect of electric field force, and the carbon dust amount that this visualization way consumes is less, and it is lower to print cost.
In non magnetic great-jump-forward develops, there is a fixed gap between developer roll and the photosensitive drums, general about 15-22um does not contact between the two, has electrical carbon dust and participates in developing and will jump to photosensitive drums and get on.In the magnetic great-jump-forward develops, there is a fixed gap between magnetic roller and the photosensitive drums, general about 26-36um does not contact between the two, has magnetic and electrical carbon dust simultaneously and participates in developing and will jump to photosensitive drums and get on.No matter be that non magnetic great-jump-forward develops or the magnetic great-jump-forward develops; The development bias voltage of laser printer conductive sheet output all includes AC compounent and DC component, the oscillogram of the development bias voltage after the alternating current-direct current stack of exporting referring to laser printer shown in Figure 5.AC compounent in the development bias voltage makes carbon dust beat back and forth, makes carbon dust charged more even, and the DC component in the development bias voltage is used to provide electric field force, makes carbon dust can participate in fully developing.In this visualization way, the carbon dust of developing regional edge is gone to other places easily, be unfavorable for developing, and the carbon dust amount that consumes in the print procedure is bigger, and it is higher to print cost.
Usually, according to the difference of the visualization way of handle box, laser printer has the structure that matches.For the handle box of contact visualization way, power module set in the laser printer that matches is supplied with the development bias voltage that developer roll only includes DC component.For the handle box of great-jump-forward visualization way, set power module is supplied with the development bias voltage that includes direct current and AC compounent of developer roll/magnetic roller in the laser printer that matches.
Summary of the invention
Fundamental purpose of the present invention provides a kind of alternative great-jump-forward development treatment box and is installed in the handle box that uses in the laser printer;
Another object of the present invention provides a kind of handle box method of modifying that visualization way is adapted as the contact development by the great-jump-forward development.
For realizing above-mentioned fundamental purpose, handle box provided by the invention comprises photosensitive drums, developing device, photosensitive drums ground connection; Photosensitive drums contacts with developing device vertically; Also have an electronic module, electronic module comprises a diode, and the cathodic electricity of diode connects first terminals, and first terminals are used to receive the power supply signal on the laser printer; A filter capacitor, filter capacitor are connected electrically between the anode and ground of diode; The resistance and a stabilivolt of connecting each other, the other end of resistance is electrically connected the anode of diode, the other end ground connection of stabilivolt; Second terminals, second terminals are electrically connected with tie point between resistance and the stabilivolt, and second terminals are to developing device output development bias voltage signal.
Visible by such scheme; The development bias voltage that the diode of electronic module will contain AC compounent is rectified into and only contains DC component; And filter capacitor guarantees that further the waveform of electric signal of this DC component is steady, the pressure stabilization function through stabilivolt again, the voltage constant that makes output; Thereby realized that the development bias voltage rectification that contains the AC and DC component that laser printer is provided is the development bias voltage with constant negative value; And flow to developing device, and develop to carry out contact, make and under the desirable prerequisite of printing effect, reduced the printing cost.
A concrete scheme is that developing device is developer roll or magnetic roller.
Another kind of handle box provided by the invention comprises photosensitive drums, developing device, photosensitive drums ground connection; Photosensitive drums contacts with developing device vertically; Also have an electronic module, electronic module comprises a diode, and the cathodic electricity of diode connects first terminals, and first terminals are used to receive the power supply signal on the laser printer; A filter capacitor, filter capacitor are connected electrically between the anode and the 3rd terminals of diode, and the 3rd terminals are electrically connected photosensitive drums; The resistance and a stabilivolt of connecting each other, the other end of resistance is electrically connected the anode of diode, and the other end of stabilivolt is electrically connected the 3rd terminals; Second terminals, second terminals are electrically connected with tie point between resistance and the stabilivolt, and second terminals are to developing device output development bias voltage signal.
A last scheme, the ground wire of the electronic module of this programme has made the electrical connection photosensitive drums into, because of photosensitive drums is a ground connection, so the ground wire of electronic module can directly be electrically connected photosensitive drums.
A concrete scheme is that developing device is developer roll or magnetic roller.
For realizing another purpose, the invention provides the handle box method of modifying, handle box comprises photosensitive drums, developing device, photosensitive drums ground connection, this method comprises photosensitive drums is contacted along axis with developing device; An electronic module is set, and electronic module comprises a diode, and the cathodic electricity of diode connects first terminals, and first terminals are used to receive the power supply signal on the laser printer; A filter capacitor, filter capacitor are connected electrically between the anode and ground of diode; The resistance and a stabilivolt of connecting each other, the other end of resistance is electrically connected the anode of diode, the other end ground connection of stabilivolt; Second terminals, second terminals are electrically connected with tie point between resistance and the stabilivolt, and second terminals are to developing device output development bias voltage signal.
A concrete scheme is that developing device is developer roll or magnetic roller.
The another kind of handle box method of modifying that the present invention also provides, handle box comprises photosensitive drums, developing device, photosensitive drums ground connection, this method comprises photosensitive drums is contacted along axis with developer roll; An electronic module is set, and electronic module comprises a diode, and the cathodic electricity of diode connects first terminals, and first terminals are used to receive the power supply signal on the laser printer; A filter capacitor, filter capacitor are connected electrically between the anode and the 3rd terminals of diode, and the 3rd terminals are electrically connected photosensitive drums; The resistance and a stabilivolt of connecting each other, the other end of resistance is electrically connected the anode of diode, and the other end of stabilivolt is electrically connected the 3rd terminals; Second terminals, second terminals are electrically connected with tie point between resistance and the stabilivolt, and second terminals are to developing device output development bias voltage signal.
A concrete scheme is that developing device is developer roll or magnetic roller.
The method of modifying of this programme; The handle box that can the handle box repacking back that contact is developed be substituted the great-jump-forward development is installed in the laser printer; The handle box that also can the handle box repacking back that great-jump-forward develops be substituted the great-jump-forward development is installed in the laser printer; No matter to the repacking of which kind of handle box, all be the printing effect of realizing that contact is developed finally, reduced the printing cost.
Description of drawings
Fig. 1 is the basic principle assumption diagram of printing in the laser printer;
Fig. 2 is the structural drawing of loading electric signal on charging roller and the photosensitive drums in the handle box in the printer process;
Fig. 3 is the structural constituent synoptic diagram of photosensitive drums;
The oscillogram of the development bias voltage of printer supply handle box in visualization way when Fig. 4 is contact;
Fig. 5 is the oscillogram that printer is supplied with the development bias voltage of handle box in the great-jump-forward visualization way;
Fig. 6 is the structural drawing of electronic module among handle box first embodiment of the present invention;
Fig. 7 is among handle box first embodiment oscillogram of the development bias voltage after the development bias voltage rectification that the jump that the diode pair laser printer is provided is developed;
Fig. 8 is the structural drawing of electronic module among handle box second embodiment.
Below in conjunction with accompanying drawing and each embodiment the present invention is described further.
Embodiment
Handle box embodiment one
Handle box comprises powder storehouse, powder delivery scraper, developer roll, photosensitive drums, charging roller, cleaning doctor, waste powder hopper etc., and wherein developer roll contacts along axis with photosensitive drums, photosensitive drums ground connection.In handle box, also be provided with an electronic module.
Referring to Fig. 6, show the structural drawing of the electronic module of present embodiment handle box.
Electronic module comprises diode D, filter capacitor C, resistance R, these devices of stabilivolt ZD.Electronic module has two terminals T1, T2, and an earth terminal GND.
Terminals T1 is used for being electrically connected with the power module of laser printer, receives the development bias plasma signal that contains AC compounent and DC component that laser printer offers handle box, and the development bias plasma signal of laser printer output can be referring to shown in Figure 5.
Behind the development bias plasma signal process diode D of the laser printer output that terminals T1 receives; Because the negative electrode of diode D is electrically connected with terminals T1; Therefore the direct current that develops in the bias plasma signal can pass through diode D, and the positive half cycle in the AC compounent can not pass through diode D, but negative half period can pass through diode D; Therefore the signal of diode D anode output is to be lower than 0 volt direct current, referring to shown in Figure 7.
Be connected the filter capacitor C between diode anode and the ground, be used for electric signal is carried out filtering, guarantee that the direct-flow signal voltage waveform of exporting after the rectification is steady.Also have a voltage stabilizing diode ZD, voltage stabilizing diode ZD and resistance R are connected in series, and are connected in then between diode D and the ground.Voltage stabilizing diode ZD can guarantee that the voltage of diode D anode is stable.
Terminals T2 is electrically connected with developer roll, and the waveform voltage signal at terminals T2 place is referring to Fig. 4, so, being loaded into development bias voltage on the developer roll and being the voltage of constant negative direct current, developer roll contacts along axis with photosensitive drums again, can carry out contact and develop.
Can the handle box of present embodiment be installed to and originally install in the laser printer of great-jump-forward handle box; The development bias voltage that utilizes electronic module laser printer to be supplied with the alternating current-direct current of handle box becomes the development bias voltage of negative direct current; Carry out work with the contact visualization way, improve print quality.
Handle box embodiment two
Handle box comprises powder storehouse, powder delivery scraper, developer roll, photosensitive drums, charging roller, cleaning doctor, waste powder hopper etc., and wherein developer roll contacts along axis with photosensitive drums, photosensitive drums ground connection.In handle box, also be provided with an electronic module.
Referring to Fig. 8, Fig. 8 shows the structural drawing of the electronic module of present embodiment handle box.
The difference of present embodiment and the foregoing description one only is: the earth terminal GND of electronic module becomes the 3rd terminals T3 of present embodiment among the embodiment one.The 3rd terminals T3 of present embodiment is electrically connected with photosensitive drums, because of photosensitive drums ground connection, so in fact the 3rd wiring T3 of present embodiment end remains ground connection, only through photosensitive drums ground connection.The structural principle of present embodiment is identical with embodiment, can be referring to the explanation of the foregoing description one.
Handle box method of modifying embodiment one
The structure of the handle box that a kind of non magnetic great-jump-forward develops comprises photosensitive drums, developer roll, and photosensitive drums ground connection has a gap between photosensitive drums and the developer roll, also comprise powder storehouse, powder delivery scraper etc.
The method of modifying of the handle box that develops to above-mentioned non magnetic great-jump-forward is following:
Photosensitive drums changed into along axis with developer roll contact, being about to originally has the photosensitive drums of certain interval and the centre distance between the developer roll to turn down, makes its no gap, can realize through the installing and locating position of adjusting photosensitive drums and developer roll;
In handle box, set up an electronic module, the structure of the electronic module described in the structure of electronic module such as above-mentioned handle box embodiment one or the embodiment two.The contact that is used in the text-processing box being electrically connected with the printer power supply and the circuit between the developer roll are broken off, the terminals T1 of electronic module is connected on the contact, terminals T2 connects developer roll, and T3 is made as earthing contact or directly is connected with photosensitive drums.
So; Handle box after this repacking is installed in the former laser printer that great-jump-forward development treatment box should be installed; Laser printer is supplied with the development bias voltage signal that handle box contains AC compounent and DC component, and this development bias voltage signal is exported the development bias voltage of negative direct current through electronic module and is carried on the developer roll, and developer roll contacts along axis with photosensitive drums again; Thereby, realize the working method that contact is developed.The printing effect that contact is developed is desirable, has improved print quality.
Handle box method of modifying embodiment two
The structure of the handle box that a kind of magnetic great-jump-forward develops comprises photosensitive drums, magnetic roller, and photosensitive drums ground connection has a gap between photosensitive drums and the magnetic roller, also comprises powder storehouse, powder delivery scraper etc.
The method of modifying of the handle box that develops to above-mentioned magnetic great-jump-forward is following:
Photosensitive drums changed into along axis with the magnetic roller contact, being about to originally has the photosensitive drums of certain interval and the centre distance between the magnetic roller to turn down, makes its no gap, can realize through the installing and locating position of adjusting photosensitive drums and magnetic roller;
In addition,, can the protective seam with certain resilient material making be changed system on magnetic roller surface because magnetic roller surface is harder, when it is contacted with photosensitive drums, not easy to wear;
In handle box, set up an electronic module, the structure of the electronic module described in the structure of electronic module such as above-mentioned handle box embodiment one or the handle box embodiment two.Circuit between contact that is used in the text-processing box being electrically connected with the printer power supply and the magnetic roller is broken off, the terminals T1 of electronic module is connected on the contact, terminals T2 connects developer roll, and T3 is made as earthing contact or directly is connected with photosensitive drums.
So; Handle box after this repacking is installed in the former laser printer that great-jump-forward development treatment box should be installed; Laser printer is supplied with the development bias voltage signal that handle box contains AC compounent and DC component, and this development bias voltage signal is exported the development bias voltage of negative direct current through electronic module and loaded on the left magnetic roller, and the magnetic roller contacts along axis with photosensitive drums; Thereby, realize the working method that contact is developed.The non magnetic carbon dust of present embodiment repacking aftertreatment box splendid attire can be realized the printing effect that contact is developed as printing consumables, has improved print quality.
Certainly; The method of modifying of above-mentioned handle box can also be the repacking of carrying out to the handle box that contact is developed; Only need in the handle box of contact, set up the electronic module described in handle box embodiment one or handle box embodiment two; This electronic module is used for laser printer is offered the development bias voltage that development bias voltage that handle box contains AC compounent and DC component becomes negative direct current, can realize the working method that contact is developed.
It is emphasized that at last; The invention is not restricted to above-mentioned embodiment; Like the magnetic roller of magnetic roller among the handle box method of modifying embodiment two for the removal magnetic core; Adopt the magnetic roller of removing magnetic core also can use the carbon dust that has magnetic to print, still realize the printing effect of contact, these variations also should be included in the protection domain of claim of the present invention.
Claims (8)
1. handle box comprises
Photosensitive drums, developing device, said photosensitive drums ground connection;
It is characterized in that:
Said photosensitive drums contacts with said developing device vertically;
Also have an electronic module, said electronic module comprises
A diode, the cathodic electricity of said diode connects first terminals, and said first terminals are used to receive the power supply signal on the laser printer;
A filter capacitor, said filter capacitor are connected electrically between the anode and ground of said diode;
The resistance and a stabilivolt of connecting each other, the other end of said resistance is electrically connected the anode of said diode, the other end ground connection of said stabilivolt;
Second terminals, said second terminals are electrically connected with tie point between said resistance and the said stabilivolt, and said second terminals are to said developing device output development bias voltage signal.
2. handle box according to claim 1 is characterized in that:
Said developing device is developer roll or magnetic roller.
3. handle box comprises
Photosensitive drums, developing device, said photosensitive drums ground connection;
It is characterized in that:
Said photosensitive drums contacts with said developing device vertically;
Also have an electronic module, said electronic module comprises
A diode, the cathodic electricity of said diode connects first terminals, and said first terminals are used to receive the power supply signal on the said laser printer;
A filter capacitor, said filter capacitor are connected electrically between the anode and the 3rd terminals of said diode, and said the 3rd terminals are electrically connected said photosensitive drums;
The resistance and a stabilivolt of connecting each other, the other end of said resistance is electrically connected the anode of said diode, and the other end of said stabilivolt is electrically connected said the 3rd terminals;
Second terminals, said second terminals are electrically connected with tie point between said resistance and the said stabilivolt, and said second terminals are to said developing device output development bias voltage signal.
4. handle box according to claim 3 is characterized in that:
Said developing device is developer roll or magnetic roller.
5. handle box method of modifying, said handle box comprises photosensitive drums, developing device, said photosensitive drums ground connection is characterized in that: this method comprises
Said photosensitive drums is contacted along axis with said developing device;
An electronic module is set, and said electronic module comprises
A diode, the cathodic electricity of said diode connects first terminals, and said first terminals are used to receive the power supply signal on the laser printer;
A filter capacitor, said filter capacitor are connected electrically between the anode and ground of diode;
The resistance and a stabilivolt of connecting each other, the other end of said resistance is electrically connected the anode of said diode, the other end ground connection of said stabilivolt;
Second terminals, said second terminals are electrically connected with tie point between said resistance and the said stabilivolt, and said second terminals are to said developing device output development bias voltage signal.
6. handle box method of modifying according to claim 5 is characterized in that:
Said developing device is developer roll or magnetic roller.
7. handle box method of modifying, said handle box comprises photosensitive drums, developing device, said photosensitive drums ground connection is characterized in that: this method comprises
Said photosensitive drums is contacted along axis with said developing device;
Also have an electronic module, said electronic module comprises
A diode, the cathodic electricity of said diode connects first terminals, and said first terminals are used to receive the power supply signal on the said laser printer;
A filter capacitor, said filter capacitor are connected electrically between the anode and the 3rd terminals of said diode, and said the 3rd terminals are electrically connected said photosensitive drums;
The resistance and a stabilivolt of connecting each other, the other end of said resistance is electrically connected the anode of said diode, and the other end of said stabilivolt is electrically connected said the 3rd terminals;
Second terminals, said second terminals are electrically connected with tie point between said resistance and the said stabilivolt, and said second terminals are to said developing device output development bias voltage signal.
8. handle box method of modifying according to claim 7 is characterized in that:
Said developing device is developer roll or magnetic roller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103963093A CN102411297A (en) | 2011-12-02 | 2011-12-02 | Processing box and processing box refitting method |
| PCT/CN2012/085302 WO2013078975A1 (en) | 2011-12-02 | 2012-11-27 | Processing box and modification method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103963093A CN102411297A (en) | 2011-12-02 | 2011-12-02 | Processing box and processing box refitting method |
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| CN102411297A true CN102411297A (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103963093A Pending CN102411297A (en) | 2011-12-02 | 2011-12-02 | Processing box and processing box refitting method |
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| CN (1) | CN102411297A (en) |
| WO (1) | WO2013078975A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116259A (en) * | 2012-12-28 | 2013-05-22 | 珠海天威飞马打印耗材有限公司 | Processing box and processing box modification method |
| WO2013078975A1 (en) * | 2011-12-02 | 2013-06-06 | 珠海天威飞马打印耗材有限公司 | Processing box and modification method for same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078975A1 (en) * | 2011-12-02 | 2013-06-06 | 珠海天威飞马打印耗材有限公司 | Processing box and modification method for same |
| CN103116259A (en) * | 2012-12-28 | 2013-05-22 | 珠海天威飞马打印耗材有限公司 | Processing box and processing box modification method |
| WO2014101680A1 (en) * | 2012-12-28 | 2014-07-03 | 珠海天威飞马打印耗材有限公司 | Process cartridge and process cartridge modification method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013078975A1 (en) | 2013-06-06 |
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