Patent ID: 7556446

Claim:
A slitting mechanism for a roll media printer, the slitting mechanism comprising: a rotatable carousel of rotatable slitting shafts which extend across the width of a media web arranged to pass one of the slitting shafts along a path, each slitting shaft having at least one slitter misaligned with at least one of the slitters of other slitting shafts, each slitter having a cutting edge; a guide roller arranged to guide the media web past one of the slitting shafts, the guide roller having a plurality of grooves arranged so that respective grooves correspond to the location of respective slitters of the slitting shafts; and a transverse cutter positioned along at least the width of the media web, the transverse cutter having a blade mounted eccentrically between a pair of cams, said cams being rotated in unison to cause a circular cutting stroke by said blade; wherein the carousel is selectively rotatable to a plurality of cutting positions within the path, each cutting position resulting in a different width of roll media being output from the slitting mechanism.