Methods for identifying a note with a partial OCR of one or more characters in the note’s serial code. The pressure adjustment arm is centered about an axle of the ground opener unit and is movable between a set of mounting positions that are defined by a set of teeth spaced and arced from one another along a frame portion of the ground opener unit. Both unicast and multicast printing are accomplished from the remote internet site to a cable head end connected to the internet, with the cable head end transmitting the print job via a digital cable network to subscriber set top boxes. Methods of preparing and using the cationic lipopolymer gene carriers of the present invention to efficiently transfect cells, both in vitro and in vivo, are disclosed.