| 摘要 |
An electronic copier includes a marking engine for forming a copy based on a supplied series of electrical signals, and a data monitor for selecting a threshold reflectance from the background reflectance of the original document. The image is processed according to the threshold reflectance selected by the data monitor, and the processed signal is applied to the marking engine. A scanner generates, during a single scan of a document, a series of electrical signals representative of the image content of the documents and applies the scanned signals to the data monitor and a full page image storage buffer.
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