A method for using a POS printer that includes means for magnetizing and reading the ON-US and ROUTING information from preprinted magnetic characters on a check. The characters are printed with an ink having magnetizable particles embedded therein. First, the ROUTING and ON-US fields of the check are...http://www.google.de/patents/US6085977?utm_source=gb-gplus-sharePatent US6085977 - Check processing procedure
