CPC B41J 29/387 (2013.01) [B41J 2/0057 (2013.01); B41J 2/0451 (2013.01); B41J 2/04586 (2013.01); B41J 2002/012 (2013.01)] | 25 Claims |
1. A mechanical detection system for detecting foreign matter transported by a rotating intermediate transfer member (ITM) in a printing system that comprises (i) an image-forming station where ink images are formed on the ITM and (ii) an impression station where ink images are transferred to substrate, the mechanical detection system comprising:
a. an elongated blade;
b. a linkage means containing a spring, the linkage means linking the blade to a rigid frame; and
c. at least one of a limit switch and a camera, wherein the mechanical detection system is configured to detect a collision between the foreign matter and the elongated blade in accordance with at least one of: (i) output of the limit switch and (ii) output of the camera.
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