Multipath printers

Electrophotography – Document handling – Copy

Reexamination Certificate

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Details

C399S364000, C399S402000

Reexamination Certificate

active

06909872

ABSTRACT:
A printer device has first and second print media paths to carry paper from a sheet pickup mechanism to the printer device and then to a sheet exit opening. A third print media path carries the sheet from the sheet exit opening back to the printer device for duplex printing. A sheet diverter has first and second operating positions for allowing the sheet to pass in the first flow direction and for diverting the sheet in a second flow direction toward the printer device. A sheet pickup mechanism has a first operating position for the mechanism to pick up the sheet from a sheet dispensing tray and a second operating position in which the mechanism is part of a duplex printing path when the sheet travels in the second flow direction toward the printer device.

REFERENCES:
patent: 4924275 (1990-05-01), Nelson
patent: 5055885 (1991-10-01), Yoshikado et al.
patent: 5678157 (1997-10-01), Yoshida et al.
patent: 6275676 (2001-08-01), Ushio

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