>A close equivalent is the device used for this purpose >in some HP (695C ?) printers which can be had for cheap >surplus (due to expensive ink). Centronics 702 & 703 printers also used this system. It is possible to print suitable bands on a piece of paper using a laser printer, if your requirement is not too exact. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.