| 摘要 |
This invention provides an inkjet print engine in combination with a conventional lithographic printing press so as to allow variable information to be applied to the fed sheets. Such information can include, but is not limited to, address information for mailing and/or special messages to the recipient. The system and method locates an inkjet printing head (single-color or multi-color) with respect to one of a number of locations along the print path. More particularly, the inkjet head can be located on a transverse carriage with movement is controlled by a conventional print head controller. The controller also addresses the formation of print at the head in conjunction with the movement of the carriage and also with respect to the movement of the sheet through the printing press. The locations at which the inkjet assembly can be located include the upstream or downstream blanket or plate rollers, the sheet in the region of the impression roller, the infeed region or the outfeed region.
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