Sheet feeding or delivering – Feeding – Pack holders
Reexamination Certificate
2005-01-25
2005-01-25
Walsh, Donald P. (Department: 3653)
Sheet feeding or delivering
Feeding
Pack holders
Reexamination Certificate
active
06845977
ABSTRACT:
A printer paper tray improper loading protection system which is automatically moved by the repositioning of a conventional repositionable stack edge guide to restrict improper loading of sheets into the area of the tray which is outside of the proper sheet stacking area for sheet feeding, even though that restricted area varies depending on the selected size of the sheets being properly loaded within the proper sheet stacking area. A customer warning and partial obstruction of the non-feeding restricted area of the tray eliminates confusion as to where the operator should load paper into the tray whenever the tray is accessed, no matter where the tray stack edge guides are positioned for different paper sizes. An accordion-folded, reeled, or other expandable and contractible member operatively connects between the repositionable stack edge guide and the opposite end of the tray, extending above the tray stacking surface therebetween.
REFERENCES:
patent: 5573234 (1996-11-01), Petocchi
patent: 5713570 (1998-02-01), Ouchi
patent: 5931456 (1999-08-01), Laidlaw
patent: 6302390 (2001-10-01), Clark et al.
patent: 6565080 (2003-05-01), Schaefer et al.
Bober Henry T.
Leveto Mark L.
Bower Kenneth W
Walsh Donald P.
Xerox Corporation
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