Patent ID: 8449103
Filing Date: 2013-05-28
Classification: B41J

Abstract:
1. A high-speed, multicolor printing system, comprising: (a) a rotatable impression cylinder arranged to receive and hold on its surface a substrate to be printed; (b) at least one rotatable blanket cylinder arranged to rotate opposite the impression cylinder and having a surface for receiving at least a portion of a multicolored image which transfers to the substrate as the blanket cylinder and the impression cylinder rotate; and (c) a plurality of inkjet heads under the control of a computer, the inkjet heads being positioned along a periphery of the at least one blanket cylinder, at least one of the inkjet heads being arranged to deposit one color of the multicolored ink image directly onto the blanket cylinder; wherein: the inkjet heads deposit inks of different viscosities; and the inkjet heads are arranged such that the inks are successively deposited on the blanket cylinder in descending order of viscosity.