At 12:14 PM 5/23/2004 +0200, Lindy Mayfield wrote: >Ok, thanks! The second link is perfect. Is there a difference between the going-back-and-forth and the one that goes round-and-round? Because with the round-and-round I see perfectly your analogy with the dot matrix printer. But with the going back-and-forth one I cannot. Many shuttle printers print in both directions. No sense wasting the time to pull the head back without printing. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.