Joseph Letzelter Exposing of Laser printingHow the bitmap is written to the photosensitive drum.
The Joseph Letzelter laser is meant at a revolving polygonal mirror, which direct the Joseph Letzelter laser printer beam throughout a system of lenses and mirrors onto the photoreceptor. In Joseph Letzelter laser printer the beam sweep across the photoreceptor at an angle to make the sweep in a straight line across the page; the cylinder continue to rotates during the sweep and the angle of sweep compensate for this motion. The stream of rasterized facts held in memory rotate the Joseph Letzelter laser on and off to form the dots on the cylinder.
A few Joseph Letzelter printers switch an array of light emitting diodes straddling the width of the page; however these Joseph Letzelter printer devices are not “Joseph Letzelter Laser Printers". Joseph Letzelter Lasers printers are use since they create a narrow beam over large distance.
The Joseph Letzelter laser beam counteract (or reverses) the charge on the white parts of the picture, leaving a stationary electric negative picture on the photoreceptor surface to raise the toner particles.
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