Hewlett-packard Company

Hewlett-packard Development Company, L.p.

Gary L Miller

Kenneth R Williams

Norman E Pawlowski

Ted Tang Lee

Michael K Bowen

Christopher M Lesniak

Bruce Alan McFadden

Jon Johnson

James M Cameron

Robert L Battey

Ngoc-Diep T Nguyen

David K Klaffenbach

John Sturman

Ed Tucker

Jeffrey S Mathena

This invention relates to a media multi-feed rejection apparatus, comprising: a plurality of feed rollers; a feed roller driving means operatively connected to one of the plurality of feed rollers; a clutch means operatively connected to the other of the plurality of feed rollers; and a single channel encoder means operatively connected to the clutch means to measure a rotation of the other of the plurality of feed rollers.

Media multi-feed rejection process with an encoded counter-rotating roller

Various embodiments of a sheet separation system are disclosed.

Sheet separation using two torque motors

A tube routing configuration for a printing system with an off-axis ink supply system. The system includes a printer housing and a transporting system for transporting a print medium along a medium path to a print area. A scanning carriage holds a printing cartridge with a print-head, the carriage holding the cartridge such that the printhead faces the print zone. A carriage scanning apparatus moves the carriage along a scanning axis transverse to the medium path at the print area. An off-axis ink supply station is mounted in a fixed position relative to the printer housing. Hollow flexible tubing interconnects between the carriage and the off-axis ink supply station to provide an ink replenishment path for the printer cartridge. The tubing is routed between the carriage and the off-axis supply station such that a loop is formed in the tubing, and wherein the loop is substantially contained within a vertically projected volume swept out by the carriage, thereby reducing the need for additional product volume required for the tubing.

Fluidic delivery system with tubing and manifolding for an off-axis

A module for a printing composition delivery system of a printing device that is a separable unit from the printing composition delivery system is disclosed. An embodiment of the module includes a printing composition supply station connector, a printing member connector, and a flexible conduit. The printing composition supply station connector is releasably attached to a printing composition supply station of the printing composition delivery system and has a coupler fluidly connectable to a printing composition supply of the printing composition supply station. The printing member connector is releasably attached to the printing device and has a coupler fluidly connectable to the printing member. The flexible conduit includes a first end fluidly connected to the coupler of the printing composition supply station connector and a second end fluidly connected to the coupler of the printing member connector to supply printing composition from the printing composition supply to the printing member. The module may additionally include a housing covering a portion of the coupler of the printing member connector and enclosing a portion of the flexible conduit adjacent the printing member connector. The printing composition supply station connector, the printing member connector, the flexible conduit, and the housing, if present, are a separable unit from the printing composition delivery system. A method of installing and removing the module is also disclosed.

Replaceable module for a printing composition delivery system of a

In an ink-delivery system of an ink-jet printer, the needle of the interface mechanism is fully recessed into a cavity of a needle-holding structure and the septum seals the end of a hollow tower. The connection between the needle and a septum tower allows for transportation of ink from an ink reservoir to an ink-jet pen in the printhead. The tower is configured to be inserted into the cavity so that the needle pierces the septum. To prevent needle pricks and cuts, the cavity has an aperture with a diameter less than that of a human finger. Therefore, the narrow diameter aperture prevents inadvertent digital access to the needle. Furthermore, the septum tower may be attached to a replaceable component, such as an ink reservoir or a pen. Each time that a component is replaced, the relative positioning of its septum tower may change. A floating-bushing assembly loosely retains the needle-holding structure so that the structure has limited freedom to move. The limited movement may be translational and/or rotational. Thus, when the tower and needle are brought together, the assembly allows the needle-holding structure to shift and to rotate. This compensates for the relative repositioning of the tower while making an effective connection between the needle and the septum.

Limited access needle/septum ink-supply interface mechanism

Growing community of inventors

Vancouver, WA, United States of America

Gary L Miller