| 摘要 |
A laser printer includes a light source that is passed through or conditioned by an LCD (Liquid Crystal Display) apparatus, a DLP (Digital Light mirrors) apparatus, to filter the light source before the light beam is applied to the photosensitive drum for the purpose of dispensing toner to paper. Passing the light beam through an LCD apparatus or a DLP apparatus results in the light intensity of each dot of the printed page being controlled by the LCD apparatus or the DLP apparatus. After the light beam is passed through an LCD apparatus or a DLP apparatus, the conditioned light is applied to a photosensitive drum, causing the drum to be charged in a manner to transfer toner to the printed page.
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