An apparatus and method for ink-jet printing onto an intermediate drum in a helical pattern while correcting for image skew and aliasing. A plurality of ink-jet print heads place an image on an intermediate drum, impervious to ink, in a helical patter. To compensate for helical printing, the image is...http://www.google.com.au/patents/US20050046651?utm_source=gb-gplus-sharePatent US20050046651 - Apparatus and method for ink-jet printing onto an intermediate drum in a helical pattern