Patent ID: 8721031
Filing Date: 2014-05-13
Classification: B41J

Abstract:
1. A printer comprising: a rotating image receiving member including a substantially cylindrical outer surface disposed between a first end and a second end; a printhead disposed adjacent to the image receiving member and configured to form an ink image on the surface thereof; a movable member, disposed at the first end of the rotating image receiving member and configured to move from the first end to the second end and back to the first end, the movable member being in contact with the surface of the rotating image receiving member during movement from the first end to the second end and the moveable member having a base portion; a photoelectric sensor, operatively connected to the movable member to enable the base portion of the moveable member to support the photoelectric sensor a predetermined distance from the surface of the image receiving member, the photoelectric sensor configured to receive transmitted light reflected from an ink image, and to convert the reflected transmitted light to a first signal representative of the reflected transmitted light; an illumination device operatively connected to the base portion of the moveable member and configured to transmit light to the surface of the image receiving member; and a thresholding device operatively connected to the photoelectric sensor and configured to generate a second signal in response to the first signal exceeding a predetermined threshold.