Media stack tray status mechanism

Sheet feeding or delivering – Feeding – Separators

Reexamination Certificate

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C271S265010, C271S258010

Reexamination Certificate

active

06986509

ABSTRACT:
A mechanism for sensing the status of a media stack tray which dispenses media to a printing device, the media stack tray being associated with a dispensing device which dispenses media from the media stack tray. The mechanism includes a probe having at least two positions such that the probe is located in a first position when the media stack tray has an empty status and is located in a second position when the media stack tray has a loaded status. The probe is mounted relative to the media stack tray so that when the media stack tray has a loaded status the media is normally located between the probe and the dispensing device. The mechanism also includes a detector for detecting the position of the probe.

REFERENCES:
patent: 4888617 (1989-12-01), Okuzawa
patent: 5033731 (1991-07-01), Looney
patent: 5236348 (1993-08-01), Fetherolf
patent: 5248137 (1993-09-01), Rabjohns
patent: 5700003 (1997-12-01), Sung
patent: 5743522 (1998-04-01), Rubscha et al.
patent: 6206362 (2001-03-01), Tan
patent: 6651977 (2003-11-01), Tanaka

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