Hewlett-packard Development Company, L.p.

Hewlett-packard Company

Shawn B Nielson

Otto Kenneth Sievert

D Bradley Short

Patrick J Chase

A Justine Worley

Padmanabhan Ramchandran

Geoffrey C Mayne

Robert D Blanton

Gregory D Nelson

Steve T Breidenbach

Joseph E Powell

Michael Hall

A printing component receives media, applies print imaging thereto, and delivers the media to a first location. The apparatus selectively applies at least one calibration mark as the print imaging. An imaging component receives the imaged media at a second location and produces scan data representative thereof. The apparatus selectively analyzes the at least one calibration mark and produces calibration data.

Printing apparatus calibration

An automatic document feeder mounted removably to a computer input device having a medium receiving and supporting surface includes a plurality of interconnectable modular assemblies for defining a medium path that extends from a medium input tray to a medium output tray via the medium receiving and supporting surface of the computer input device. One of the modular assemblies is a main chassis assembly includes an integrally formed main chassis shell having a substantially planar base. The input tray extends upwardly from the base and has a document receiving surface with a concave shape in both the vertical and horizontal planes to help facilitate proper sheet stiffening and alignment for sheet loading purposes onto the receiving and supporting surface of the computer input device. A paper pick and transport mechanism is housed in the main chassis and protrudes through a set of apertures in the output tray. The mechanism includes a pair of spaced apart stop fence devices for supporting a stack of input print media and a centrally disposed pick roller disposed between the stop fence devices for picking individual sheets from the input tray.

Automatic document feeder having an input tray paper stop and pick

Growing community of inventors

San Diego, CA, United States of America

Shawn B Nielson