Clean On The Copy Quality - Copiers, Office Equipment - Office Supplies Industry
Cleaning process is by the elimination of residual charge and cleaning residual toner
composition of both, if one of the aspects of a problem, will make the next copy process fails, copy products will overlap, before an original image, etc.
Previous chapters have introduced me to the opposite polarity with the main charge corona discharge (also called "consumer power"), while light on the transfer with the elimination of light conductor after the full exposure, this approach is to eliminate residual effective way to charge, the majority of Duplicator Used. Cleaning residual toner, there were the following ways:
(1) scraper cleaning. Use of rubber material thickness of about 2mm or so of the scraper at an angle with the photoconductor surface contact and maintain a small but uniform line pressure, the residual toner scraped off from the photoconductor surface. Scraped off the residual toner cartridge recycling to the waste. This is the method used by most copiers. Were scraped off the residual toner particles in the air as the full exposure, the imaging and transfer process received strong electric field, there will be a significant decline in performance, combined with dust and scraps of paper, etc. may be mixed in general will not repeat use discarded as waste. Discarded should pay attention to use Plastic Bags sealed to prevent pollution of the environment.
(2) brush clean. Hair with animal hair or fibers made of roller brush is more large-scale engineering drawing copiers approach. The requirements of the brush is soft, the right stiffness, and the photoconductor surface, static friction can not afford the time, was better on the toner containing the same time Feifen can more easily suction device to clear out from the brush. Since making narrow brush selection, handling Feifen more auxiliary devices, most small and medium copiers do not use this method.
(3) Soft foam roller clean. This is mostly wet copier approach. It is the foam material (such as sponge) made of soft roll, pores can absorb the liquid as bubbles through the liquid can squeeze some discharge, so that reagent particles can remain in soft roller, the necessary time to re- diluent reagent particles will be washed away.
(4) magnetic brush collection. This is before the start of the new copying process, using imaging magnetic brush cleaning residual toner recovery. As Feifen to re-use, the use of short-lived vector machines were applied. In addition, the magnetic brush cleaning must photoconductor to be transferred into the next lap before copying process, low-speed copiers can be used, but not applicable for high-speed copiers.
(5) magnetic roller recovery. This is to use single component reagent permeability Canon copier more approach. It is clean with a magnet roller to the Department of residual toner to the waste collection box adsorption, for non-derivative magnetic toner, the method is invalid.
(6) magnetic recyclable waste carrier. Two-component reagent in the carrier is not consumed in theory, but in practice there will still be a small amount of vector particles in the imaging process to the photoconductor surface contaminated with the back of copy products affect image quality. In response, some copiers use a magnetic stripe in the clean department, will be residual carrier absorption, to a certain extent by the maintenance staff and operators to remove the clean out.
Foregoing, copying the six basic processes that affect the quality of good or bad copy of the basic goods and decisive factor.
by: gaga
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Clean On The Copy Quality - Copiers, Office Equipment - Office Supplies Industry