Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1988-01-28
1989-10-03
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346134, 400126, 400175, G01D 1516, B41J 304
Patent
active
048720267
ABSTRACT:
A novel ink-jet printer (10) is provided. The print provides both paper supply tray (12) and paper collection tray (18) in the front (14) of the printer for ease of paper handling and reduced footprint. The paper collection tray is provided with a pair of opposed output rails (22) which support a sheet of paper (16c) during printing to permit ink on a sheet of paper (16b) previously printed to dry. A paper handling mechanism is provided which eliminates a sheet pickup motor and associated elements. The paper handling mechanism is configured to pick off a sheet of paper from a stack of input paper, bring it around paper drive rollers (24) onto a platen (26), where the printing operation, employing a printhead cartridge (32), occurs. The printer further includes a service station (230) for clearing clogged nozzles in the printhead (33) and removing bubbles therefrom, for covering the nozzles with a protective cap (266), and for wiping contaminants off the nozzles. Reference pads (200) are provided for aligning and securing the printing cartridge in a carriage (35). The carriage is associated with a carriage guide (27), to which the carriage and print medium are referenced. The resulting printer is easy to manufacture, has reduced complexity by eliminating components in the paper drive mechanism and is lower in cost.
REFERENCES:
patent: 4567494 (1986-01-01), Taylor
patent: 4630077 (1986-12-01), Berruti
patent: 4698650 (1987-10-01), Watanabe
patent: 4709247 (1987-11-01), Piatt
patent: 4712172 (1987-12-01), Kiyohara
patent: 4728963 (1988-03-01), Rasmussen
patent: 4751527 (1988-06-01), Oda
patent: 4755836 (1988-07-01), Ta
patent: 4794859 (1989-01-01), Huseby
Harmon J. Paul
Huseby William R.
Jackson Larry A.
Moon Kevin L.
Pinkernell David W.
Hartary Joseph W.
Hewlett--Packard Company
Kassatly S. A.
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