Patent ID: 9090097
Filing Date: 2015-07-28
Classification: B41J

Abstract:
1. A printer for selective duplex and simplex printing on a medium, comprising an input zone and an output zone, a transport mechanism having a selectable first transport path for transporting a medium from the input zone to the output zone past a first print station for printing on one surface of the medium by a first inkjet printhead, the transport mechanism having a second selectable transport path including a substantial part of the first transport path for transporting a medium from the input zone to the output zone past a second print station for printing on one surface of the medium by a second inkjet printhead and then past the first print station for printing on the reverse surface of the medium by the first ink jet printhead, the first and second transport paths including a first generally horizontal span at a first height, the first inkjet printhead positioned to jet ink down onto the medium as it is transported in a first direction along the first generally horizontal span the second transport path including a second generally horizontal span at a second height, the second inkjet printhead positioned to jet ink down onto the medium as it is transported in a second direction opposite to the first direction along the second generally horizontal span.