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Basics
Sensing System Theory - 5 cassette-fed and manual-fed paper. If the paper does not reach the top position of this sensor in the required time, the printer determines that a pick-up delay jam has occurred. Winding paper sensor PS303 detects the passage of paper from the photosensitive drum to the fuser. If the paper does not pass this sensor in time, the controller board determines that a jam condition exists. Paper delivery sensor PS301 detects the passage of paper through the fuser assembly. If the paper does not pass this sensor in time, the controller board determines that a jam condition exists.
