ELECTROPHOTOGRAFIC PRINTER
An electrophotographic printing machine in which an original document (22) is reproduced on a copy sheet (66). The printing machine includes a photoconductive belt (10) arranged to move in a recirculating path. As the photoconductive belt (10) moves through a first cycle, a combined charging-transfe...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | An electrophotographic printing machine in which an original document (22) is reproduced on a copy sheet (66). The printing machine includes a photoconductive belt (10) arranged to move in a recirculating path. As the photoconductive belt (10) moves through a first cycle, a combined charging-transfering unit (28) charges at least a portion of the photoconductive belt, and a combined exposing-discharging unit (36) focuses a light image of the original document (22) thereon. This records an electrostatic latent image on the photoconductive belt (10) which is developed by a combined developing-cleaning unit (46). During the second cycle, the charging-transferring unit (28) transfers the toner powder image to the copy sheet (66), and the combined developing-cleaning unit (46) removes residual particles from the photoconductive belt. After cleaning, the combined exposing-discharging unit (36) illuminates the photoconductive belt (10) to eliminate any charge remaining thereon. |
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