CN101893840A - Regeneration method of charging roller of laser imaging processing box - Google Patents
Regeneration method of charging roller of laser imaging processing box Download PDFInfo
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- CN101893840A CN101893840A CN 201010197879 CN201010197879A CN101893840A CN 101893840 A CN101893840 A CN 101893840A CN 201010197879 CN201010197879 CN 201010197879 CN 201010197879 A CN201010197879 A CN 201010197879A CN 101893840 A CN101893840 A CN 101893840A
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- charging roller
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Abstract
The invention relates to a regeneration method of a charging roller of a laser imaging processing box, wherein the charging roller works for at least one work period. The cross section structure of the charging roller at least comprises a mandrel, an insulating layer coated on the mandrel and a conducting layer coated on the insulating layer. The regeneration method comprises the following processing steps in sequence: (1) removing the coatings on the periphery surface of the insulating layer; (2) using high-pressure airflow to wash the insulating layer through blowing, wherein the high-pressure airflow dispersedly flows past pores of the insulating layer; and (3) coating original functional layers at least comprising a new conductive layer, wherein the periphery surface of the new conductive layer is exposed. The method is simple and practicable, has the characteristics of high efficiency and low cost, and can be used for effectively recovering the conductivity of the conductive roller and simultaneously eliminating bottom ash which occurs on a work surface and is caused by the charging roller when the image is printed, thus the reproduced product has favorable quality.
Description
Technical field
The present invention is the renovation process of charging roller of laser imaging processing box.Its handle box comprises photosensitive drums, charging roller, developer roll, powder feeding roller, powder delivery cutter, mixes powder roller, powder feeding frame, toner, it is laid in the electrostatic latent image zone of photosensitive drum surface to the carbon dust that holds in the toner according to default layout by developer roll, and electrostatic latent image is converted to by the shown visual image of carbon dust and so on developer.
Background technology
Equipment for forming image generally includes different types of machines such as duplicating machine, laser printer, facsimile recorder, colour band printer and LED printer.
In the Equipment for forming image of laser scanning or laser photo-typesetting form, carbon dust be realization figure～～light～～electricity～～the final image forming medium of figure conversion.Developer roll just is arranged near the photosensitive drums, forms image behind the minimum gap so that carbon dust is jumped between developer roll and the photosensitive drums on photosensitive drums.By the carbon dust of developer roll transhipment from toner.The Chu Fenliang of toner is subjected to the restriction of warehouse nominal volume, therefore, after using up, need be replenished carbon dust in the toner, perhaps the handle box integral body of contain carrying carbon dust is reclaimed, could bring into play for example not effect to the greatest extent in photosensitive drums, charging roller, developer roll, powder feeding roller, powder delivery cutter, powder feeding frame, toner and carrier storehouse etc. of other parts of handle box once more.
As a class of laser image formation device, the major function piece of laser printer comprises: laser scan unit, photoelectric conversion unit, charhing unit, developing cell, transfer printing unit and fixation unit.
The main member of laser scan unit is laser generator and the light reflection and transmission system that is made of optical elements such as prism, lens.
The main member of photoelectric conversion unit is a photosensitive drums.
Charhing unit mainly comprises the charging roller of positive charge grid-control formula corona charging roller or other form.
Developing cell is made of the storage powder chamber, developing room and the developer roll that are used to store carbon dust.Developer roll, powder feeding roller, powder delivery cutter just are arranged in the developing room.Powder feeding frame and toner constitute storage powder chamber jointly.
Transfer printing unit mainly comprises transfer roll.
Fixation unit is made of warm-up mill and backer roll.
Common handle box or cartridge generally include photoelectric conversion unit, charhing unit, developing cell etc. several bear light～～electricity～～functional block of figure translation function, one obtains the handle box or the cartridge of multi-functional integrated-type this kind make.The mode that difference in functionality carries out different layouts of distinguishing that adopts is also arranged, photoelectric conversion unit, charhing unit directly are arranged on the laser printing machine host, handle box then only comprises developing cell, this kind make only can obtain only can implementing the handle box of single developing function, and the form of then assembling with assembly between this type of simple function handle box and the laser printing machine host is finished coupling between the two.
Under handle box was packed the user mode of laser printer into, photosensitive drum surface was charged equably by charging roller.Laser scanner contains image information and through the laser beam of ovennodulation, forms the different static voltage figure that distributes at photosensitive drum surface after laser radiation to photosensitive drums emission, that is with the electrostatic latent image for the treatment of that duplicating image is corresponding.Afterwards, from the carbon dust of developer roll then be adsorbed on the photosensitive drum surface, cover that it is converted to behind the electrostatic latent image can macroscopic visual image.Along with the rotation of photosensitive drums, the visual image that is formed at photosensitive drum surface by carbon dust replaces to the position at transfer roll place.Effect through the transfer roll transfer voltage, the carbon dust of visual image form is transferred on the recording medium surfaces such as paper, with after after warm-up mill and backer roll carried out heating and pressurizing to the visual image on the recording medium, the visual image that carbon dust is formed for good and all solidified on recording medium.So just finished a basic imaging workflow, this flow process is the result of cycle operation repeatedly, just can obtain required image.
In aforementioned workflow, before photosensitive drum surface formed electrostatic latent image, one deck negative charge must be laid equably by charging roller 400 in photosensitive drums 300 surfaces, as shown in Figure 1.
As described above, handle box or simple function type handle box for multi-functional integrated-type, after process several work periods that are the rated life time with its carbon dust capacity, its various building blocks all can produce corresponding wearing and tearing or injure, if will bring into play the residue function of other building blocks, then should detect, reclaim or change to impaired parts.Referring to Fig. 2,3, show the cross-sectional configurations state of the charging roller that uses in the existing laser printer processing box.The cross-sectional structure of the charging roller 100 shown in Fig. 2 comprises metal mandrel 101, insulation course 102, transition bed 103 and conductive layer 104.The cross-sectional structure of the charging roller 200 shown in Fig. 3 comprises metal mandrel 201, insulation course 202 and conductive layer 203.The insulation course 102 of two kinds of charging rollers or insulation course 202 one all use foam sponge as starting material.The conductive layer 104 of two kinds of charging rollers or conductive layer 203 usually all with conductive rubber as starting material.Aforementioned charging roller 100 or charging roller 200 are after the use through a work period or several work periods; its conductive layer 104 or conductive layer 203 can occur significantly cracking, hole because of wearing and tearing usually; electric conductivity perhaps occurring sharply descends; so that the phenomenon of black patch, secret note appears in the original text face during print image; in addition; its insulation course 102 or insulation course 202 also correspondingly can be received in a part of carbon dust; influence its insulating property, or because of the carbon dust of inserting insulation course 102 or insulation course 202 when disperse causes print image towards periphery the original text face bottom ash appears.Therefore, removal process should and eliminate that to cause the carbon dust of bottom ash be major subjects with the electric conductivity that recovers charging roller.
Summary of the invention
The problem that exists in the course of the work at the charging roller of above-mentioned handle box, the object of the invention is to provide a kind of technological process simple, the renovation process that can recover its electric conductivity and can eliminate the charging roller of laser imaging processing box of printing bottom ash after Regeneration Treatment.
For reaching to above-mentioned goal of the invention, the present invention has taked pointed renovation process.The charging roller that this renovation process relates to has passed through at least one work period corresponding to handle box content carbon dust, and the cross-sectional structure of this charging roller comprises the metal mandrel at least, be coated on the insulation course on the metal mandrel and be coated on the last conductive layer of insulation course.This renovation process comprises following processing steps in sequence: (1) removes each clad on the insulation course outer peripheral face; (2) adopt high pressure draught that insulation course is carried out purge.This high pressure draught dispersion train is crossed each pore of insulation course; (3) on the insulation course outer peripheral face, coat original each functional layer that comprises new conductive layer at least.Wherein, after each functional layer assembling finished, the outer peripheral face of new conductive layer was in naked state.
The regeneration method of charging roller of aforementioned laser imaging processing box, implementation step (1) afterwards to step (2) before, coat inner liner on the insulation course radially-outer surface, high pressure draught flows through each pore of insulation course along the insulation course axial dispersion via an axial end of insulation course.
Regeneration method of charging roller of laser imaging processing box of the present invention, the electric conductivity that exists in the course of the work at charging roller descends and prints the problem of bottom ash, after adopting high pressure draught to clean its insulation course and change the measure of conductive layer, can recover its electric conductivity effectively, occur the phenomenon of bottom ash when eliminating print image simultaneously by the caused original text face of filling carbon dust in the charging roller.Renovation process processing step of the present invention is simple, is used to recycle charging roller of laser imaging processing box, can accomplish scale production, and reconstituted product is best in quality, has characteristics efficient and with low cost.
Description of drawings
The photosensitive drum charging process synoptic diagram of the existing laser imaging processing box of Fig. 1.
Fig. 2 has charging roller of laser imaging processing box cut-open view one now.
Fig. 3 has charging roller of laser imaging processing box cut-open view two now.
Embodiment
Describe regeneration method of charging roller of laser imaging processing box of the present invention in detail below in conjunction with accompanying drawing.
Referring to Fig. 2,3, the cross section view of two kinds of charging rollers of the laser imaging processing box that is applicable to renovation process of the present invention is shown respectively.
The cross-sectional structure of the charging roller 100 shown in Fig. 2 comprises metal mandrel 101, insulation course 102, transition bed 103 and conductive layer 104.The cross-sectional structure of the charging roller 200 shown in Fig. 3 comprises metal mandrel 201, insulation course 202 and conductive layer 203.The insulation course 102 of two kinds of charging rollers or insulation course 202 one all use foam sponge as starting material.The conductive layer 104 of two kinds of charging rollers or conductive layer 203 usually all with conductive rubber as starting material.
For charging roller 200 shown in Figure 3, at first, conductive layer 203 is removed from insulation course 202.
Secondly, adopt high pressure draught that insulation course 202 is carried out purge.Before carrying out this purge operation, on the radially-outer surface of insulation course 202, coat gastight inner liner, utilize high pressure draught to carry out purge along the form that insulation course 202 axial dispersion flow through each pore of insulation course 202 then via insulation course 202 axial ends.
At last, after purge insulation course 202, remove the inner liner that coats on insulation course 202 radially-outer surfaces, on its outer circumference surface, coat new conductive layer then, can finish the regeneration of charging roller 200.
For charging roller shown in Figure 2 100, at first, conductive layer 104 and transition bed 103 are removed from insulation course 102.
Secondly, adopt high pressure draught that insulation course 102 is carried out purge.Before carrying out this purge operation, on the radially-outer surface of insulation course 102, coat gastight inner liner, utilize high pressure draught to carry out purge along the form that insulation course 102 axial dispersion flow through each pore of insulation course 102 then via insulation course 102 axial ends.
At last, after purge insulation course 102, remove the inner liner that coats on insulation course 102 radially-outer surfaces, on its outer circumference surface, coat new transition bed and conductive layer then successively, can finish the regeneration of charging roller 200.
Claims (2)
1. regeneration method of charging roller of laser imaging processing box, described charging roller has passed through at least one work period corresponding to described handle box content carbon dust, the cross-sectional structure of described charging roller comprises the metal mandrel at least, be coated on the insulation course on the described metal mandrel and be coated on conductive layer on the described insulation course, and described renovation process comprises following processing steps in sequence:
(1) removes each clad on the described insulation course outer peripheral face;
(2) adopt high pressure draught that described insulation course is carried out purge, described high pressure draught dispersion train is crossed each pore of described insulation course;
(3) coat original each functional layer that comprises new conductive layer at least on described insulation course outer peripheral face, the outer peripheral face of described new conductive layer is in naked state.
2. according to the described regeneration method of charging roller of laser imaging processing box of claim 1, it is characterized in that, implementation step (1) afterwards to step (2) before, coat inner liner on described insulation course radially-outer surface, described high pressure draught flows through each pore of described insulation course along described insulation course axial dispersion via an axial end of described insulation course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010197879 CN101893840B (en) | 2010-06-11 | 2010-06-11 | Regeneration method of charging roller of laser imaging processing box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010197879 CN101893840B (en) | 2010-06-11 | 2010-06-11 | Regeneration method of charging roller of laser imaging processing box |
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| CN101893840A true CN101893840A (en) | 2010-11-24 |
| CN101893840B CN101893840B (en) | 2012-09-05 |
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| CN 201010197879 Active CN101893840B (en) | 2010-06-11 | 2010-06-11 | Regeneration method of charging roller of laser imaging processing box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034090A (en) * | 2011-09-29 | 2013-04-10 | 珠海赛纳打印科技股份有限公司 | Doctor blade regeneration method and doctor blade regeneration device |
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| JP2001249603A (en) * | 2000-03-07 | 2001-09-14 | Canon Inc | Method for reproducing process cartridge |
| EP1168108A2 (en) * | 2000-06-28 | 2002-01-02 | Canon Kabushiki Kaisha | Remanufacturing method for process cartridge |
| CN1333484A (en) * | 2000-06-28 | 2002-01-30 | 佳能株式会社 | Reproducing method for waste box |
| CN1501193A (en) * | 2002-10-31 | 2004-06-02 | 佳能株式会社 | Remanufacturing method of a toner supply container |
| CN101315535A (en) * | 2007-05-31 | 2008-12-03 | 住友橡胶工业株式会社 | Method for recycling an image-forming member |
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2010
- 2010-06-11 CN CN 201010197879 patent/CN101893840B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001249603A (en) * | 2000-03-07 | 2001-09-14 | Canon Inc | Method for reproducing process cartridge |
| EP1168108A2 (en) * | 2000-06-28 | 2002-01-02 | Canon Kabushiki Kaisha | Remanufacturing method for process cartridge |
| CN1333484A (en) * | 2000-06-28 | 2002-01-30 | 佳能株式会社 | Reproducing method for waste box |
| CN1501193A (en) * | 2002-10-31 | 2004-06-02 | 佳能株式会社 | Remanufacturing method of a toner supply container |
| CN101315535A (en) * | 2007-05-31 | 2008-12-03 | 住友橡胶工业株式会社 | Method for recycling an image-forming member |
Non-Patent Citations (1)
| Title |
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| 《广东印刷》 20071231 林其水 怎样维护和再生HP6L激光打印机粉盒 1-2 , 第1期 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103034090A (en) * | 2011-09-29 | 2013-04-10 | 珠海赛纳打印科技股份有限公司 | Doctor blade regeneration method and doctor blade regeneration device |
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| CN101893840B (en) | 2012-09-05 |
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