Patent ID: 7543808
Filing Date: 2009-06-09
Classification: B41J

Abstract:
1. An inkjet printer unit for use in a network environment, the printer unit comprising a body having: at least one media input tray for supplying one or more sheets of media for printing; a print engine for printing an image on a sheet of media, said print engine including a removable pagewidth inkjet printhead; a power supply connection for supplying power to the print engine; a first delivery passage extending from a base of the body to the print engine past the at least one media input tray; first transport rollers arranged in the first delivery passage between the at least one media input tray and print engine for transporting media sheets therebetween via the first delivery passage; and second transport rollers arranged in the first delivery passage between the base and the at least one media input tray, wherein the base is configured to be received on an upper surface of a first auxiliary media input tray for supplying one or more sheets of media for printing, the first auxiliary media input tray having first and second auxiliary transport rollers and a first opening being provided in said base to receive a sheet of media from the first auxiliary transport rollers for delivery to the print engine by the second transport rollers via said first delivery passage, the first auxiliary media input tray is configured to be received on an upper surface of a second auxiliary media input tray for supplying sheets of media for printing, and a second opening is provided in said first auxiliary media input tray to receive a sheet of media from transport rollers of said second auxiliary media input tray for delivery to the print engine by the second auxiliary transport rollers via a second delivery passage of said first auxiliary media input tray and by the second transport rollers via said first delivery passage, and the upper surface of the first auxiliary media input tray has a recessed region for receiving the base of the printer body in a nested arrangement and the upper surface of the second auxiliary media input tray has a recessed region for receiving a lower surface of the first auxiliary media input tray in a nested arrangement.