Patent ID: 9561672
Date: 2017-02-07
CPC Classifications: B41J,G03G

Claim:
1. A printing system, comprising: an apparatus to transport a web; a first imaging unit configured to print on the web; a controller for controlling the first imaging unit to print on the web a first image and a single registration mark associated with the first image contemporaneously during a production run; a second imaging unit configured to print on the web a second image; a sensor configured to detect the registration mark at a point where the registration mark is within a second imaging unit, and a sense mark; the controller further configured to calculate an offset along a width direction of the web based on the position of the single registration mark on the web and to instruct the second imaging unit to print the second image on the web at a location in accordance with the calculated offset and the detection of the sense mark, wherein the second image is shifted in its entirety in accordance with the calculated offset and is printed on the same side of the web as the first image.