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公开(公告)号：US4872026A
公开(公告)日：1989-10-03
申请号：US149454
申请日：1988-01-28
申请人： Steve O. Rasmussen , Larry A. Jackson , John D. Rhodes , David W. Pinkernell , J. Paul Harmon , Kevin L. Moon , William R. Huseby
发明人： Steve O. Rasmussen , Larry A. Jackson , John D. Rhodes , David W. Pinkernell , J. Paul Harmon , Kevin L. Moon , William R. Huseby
CPC分类号： B41J13/106 , B41J13/0045 , B65H29/26 , B65H3/00
摘要： 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.
摘要翻译： 提供了一种新颖的喷墨打印机（10）。 该打印机在打印机的前面（14）内提供供纸托盘（12）和纸张收集盘（18），以方便纸张处理和减少占地面积。 纸张收集盘设置有一对相对的输出轨道（22），其在打印期间支撑一张纸（16c），以允许预先打印干燥的纸张（16b）上的油墨。 提供了纸张处理机构，其消除了纸张拾取电动机和相关元件。 纸张处理机构被配置为从一叠输入纸张拾取一张纸，将纸张驱动辊（24）周围带到压板（26）上，其中使用打印头墨盒（32）的打印操作发生 。 打印机还包括用于清除打印头（33）中堵塞的喷嘴并从其中除去气泡的维修站（230），用于用保护盖（266）覆盖喷嘴，并且用于从喷嘴擦拭污染物。 提供参考焊盘（200）用于将打印盒对准和固定在托架（35）中。 托架与托架引导件（27）相关联，托架和打印介质被引用到托架引导件（27）上。 所得到的打印机易于制造，通过消除纸张驱动机构中的部件并降低了成本，降低了复杂性。
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公开(公告)号：US4794859A
公开(公告)日：1989-01-03
申请号：US113041
申请日：1987-10-23
IPC分类号： B41J29/00 , B41J2/01 , B41J11/00 , B41J13/10 , B65H29/34 , B65H31/00 , B65H31/26 , B41F21/00
CPC分类号： B65H29/34 , B41J11/002 , B41J13/106
摘要： An active paper drop mechanism (20) for ink-jet printers is provided. The mechanism comprises a pair of opposed, movable rail members (22) associated with opposed walls (14) of a horizontal-disposed output collection tray (12) for receiving sheets (10) of printed media.In particular, each rail member is provided with return spring (26) that act to maintain the rails in a closed position. In that position, the rails support a sheet of the print medium during the printing operation, thus giving the ink on the previously printed-on sheet (10') time to dry.The rails are provided with a wing member (32) and are pivotally secured (38) in the floor of the output tray, with the pivot point spaced inwardly from the wing member. Downward pressure against the wing member thus causes the rail to rotate outward from its closed position, into a recess (24) provided in the side of the output tray. This provides sufficient clearance for the sheet to drop into the output stack. Upon release of the downward pressure, the spring causes the rail member to return to its original closed position.
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