Abstract: Embodiments provide a method of refilling an inkjet printer cartridge. The method includes providing an inkjet printer cartridge and lowering the pressure surrounding the cartridge below atmospheric level. A first volume of ink is directed into the cartridge at the reduced pressure. The method further includes at least partially raising the pressure surrounding the cartridge and subsequently at least partially lowering the pressure surrounding the cartridge. A second volume of ink is then directed into the cartridge at the second reduced pressure.

Abstract: In an ink jet cartridge the platform structure is formed in part by an extension of the bottom of the housing and a forward platform surface intersecting the extension and extending generally perpendicularly thereto. A discharge plate is formed on the platform surface. The discharge plate has one or more rows of ink discharge ports in fluid communication with the ink reservoir. A ink propulsion element is arranged on each of the ink discharge ports. A carrier strip is mounted on the housing. The strip has a forward portion mounted over the platform surface, a rearward portion mounted over the bottom of the housing, and a central portion extending over the intersection of the housing top and the platform surface. A plurality of electrodes are formed on the rearward portion of the carrier strip in an electrode pattern. A plurality of electrically conductive paths are formed on the carrier strip.

Abstract: This invention is directed to inks (coloring solutions) for polyvinyl resin surfaces, particularly PVC wire insulation color coding, where the ink consists essentially of a Color Index Solvent dye dissolved in a liquid halogenated hydrocarbon solvent having 1-2 carbon atoms. A preferred solvent is dichloromethane.