Cleaning system
The main function of the laser printer cleaning system is to clean up the "residual toner" on the surface of the photosensitive drum which has not been completely transferred, so that there will be a clean photosensitive drum in the next printing cycle. In theory, "toner image" should be completely reprinted, but it is difficult to do. In the process of printing, laser printer passes through charging, scanning, imaging and transfer processes. Because of potential migration, toner transfer and the influence of photoconductor "light decay"? The toner image "can not be completely transferred to the printing paper, so the amount of toner remaining on the surface of the photoreceptor drum directly affects the printing quality. Good or bad.
If the residual toner on the surface of the photoreceptor drum can not be thoroughly cleaned, it will be brought into the next printing cycle, destroying the newly generated "toner image". Therefore, in order to thoroughly clean the surface of the photosensitive drum, it needs a photosensitive drum cleaner. There are two cleaning methods for laser printers: rubber scraper cleaning and brush cleaning. Their function is to clean the surface of the photosensitive drum.
Next time I'll share more information about printer, toner cartridge and hp 202a toner set
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