Apparatus and techniques are disclosed for aligning the operation of the ink jet printhead cartridges of a multiple printhead ink jet swath printer that includes a print carriage that is movable along a horizontal carriage scan axis, (b) first and second ink jet printhead cartridges supported by the...http://www.google.com.au/patents/US5297017?utm_source=gb-gplus-sharePatent US5297017 - Print cartridge alignment in paper axis
