Printing on a recording medium by lateral scans of a print head in accordance with print data. Content of print data is determined. Then, the print data is printed either with a first lateral scan process using a critical zone at edges in a lateral scan of the print head for printing, or with a second...http://www.google.de/patents/US6404507?utm_source=gb-gplus-sharePatent US6404507 - Printer carriage control
