A multiple-source array for use in thermal printing uses source interleaving to avoid overlapping of the dye-transfer tracks upon the donor material in a single pass. The array includes independently addressable printing element data channels and a data distributor allowing interleaving...http://www.google.com.au/patents/US5724086?utm_source=gb-gplus-sharePatent US5724086 - Printhead having data channels with revisable addresses for interleaving scan lines 
