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    • 2. 发明授权
    • Customized printhead servicing for different printer conditions
    • 针对不同打印机的条件定制打印头
    • US5793388A
    • 1998-08-11
    • US399397
    • 1995-03-06
    • Paul E. MartinsonLong DoanRichard A. BeckerWilliam S. Osborne
    • Paul E. MartinsonLong DoanRichard A. BeckerWilliam S. Osborne
    • B41J2/165B41J29/393
    • B41J2/1652
    • A method for operating an ink jet printer that includes the steps of performing a printer turn-on printhead service on a printhead cartridge of the printer; resetting a page counter, an uncapped condition time counter, and an ink drop counter, wherein the page counter counts the number of pages printed, the uncapped condition time counter counts the amount of time that the printhead cartridge is in the uncapped condition, and the ink drop counter counts the number of ink drops emitted by the printhead cartridge; printing a plurality of pages of print media; after a page is printed performing a post-prime printhead service if the printhead cartridge was primed during the printing of the page; and after a page is printed performing a print time printhead service if the printhead cartridge was not primed during the printing of the page and if (a) the ink jet printer has printed at least a predetermined number of pages since the page count counter was reset, (b) the printhead cartridge has been uncapped for at least a predetermined amount of time since the uncapped condition time counter was reset, or (c) the printhead cartridge has emitted at least a predetermined number of ink drops since the drop counter was reset.
    • 一种用于操作喷墨打印机的方法,包括以下步骤:在打印机的打印头墨盒上执行打印机打开打印头服务; 复位页计数器,无盖条件时间计数器和墨滴计数器,其中页计数器对打印的页数进行计数,无盖条件时间计数器计数打印头墨盒处于未加盖状态的时间量,并且 墨滴计数器对打印头墨盒发出的墨滴数进行计数; 打印多页打印介质; 如果在打印页面期间打印头墨盒被打印,打印页面之后执行后期打印头服务; 并且如果在打印页面期间打印头墨盒未被打印,并且如果(a)喷墨打印机已经打印了至少预定数量的页面,因为页计数计数器被重置,则打印页面被打印后执行打印时间打印头服务 ,(b)打印头墨盒已经打开了至少预定的时间量,因为未加盖的状态时间计数器被复位,或(c)打印头墨盒已经发出了至少预定数量的墨滴,因为墨滴计数器被重置 。
    • 5. 发明授权
    • Ink-jet printer having dual drying system
    • 具有双重干燥系统的喷墨打印机
    • US5774155A
    • 1998-06-30
    • US736893
    • 1996-10-25
    • Todd R. MedinRichard A. BeckerBrent W. RichtsmeierWilliam D. Meyer
    • Todd R. MedinRichard A. BeckerBrent W. RichtsmeierWilliam D. Meyer
    • B41J2/01B41J11/00B41J29/00
    • B41J11/002
    • An ink-jet printer having a dual drying system. A print heater is disposed at the print zone for heating a portion of the print medium during printing operations to dry ink ejected onto the medium. The printer has means for drying the print medium at a drying location before the medium reaches the print zone to prevent uneven shrinkage of a cellulose-based print medium due to heating the medium at the print zone. The print heater can be controlled to provide a higher temperature at the print zone than the drying means provides at the drying location. The printer provides the capability of independent control of said drying means and said print heater. A method is described for detecting a transparent medium being advanced to a print zone of an ink-jet printer capable of supporting printing operations on a transparent medium as well as an opaque medium, including: providing a sheet of transparent print medium having an opaque strip extending along a leading edge thereof, wherein a reflectivity of the strip is substantially higher than a reflectivity of the transparent print medium; advancing an opaque or transparent print medium along a medium path toward the print zone; and determining whether a print medium being advanced to the print zone is an opaque type or a transparent type by sensing the presence of the opaque strip on said transparent medium.
    • 一种具有双重干燥系统的喷墨打印机。 打印加热器设置在打印区域,用于在打印操作期间加热打印介质的一部分以将喷墨到介质上的墨水干燥。 打印机具有用于在介质到达打印区域之前在干燥位置干燥打印介质的装置,以防止由于在打印区域加热介质而导致的基于纤维素的打印介质的不均匀收缩。 可以控制打印加热器以在打印区域提供比在干燥位置处提供的干燥装置更高的温度。 打印机提供对所述干燥装置和所述打印加热器的独立控制的能力。 描述了一种用于检测正在进行到能够支持在透明介质上的打印操作的喷墨打印机的打印区域的透明介质以及不透明介质的方法,包括:提供具有不透明条带的透明打印介质片 沿其前缘延伸,其中所述带的反射率显着高于所述透明打印介质的反射率; 将不透明或透明的打印介质沿介质路径推向打印区域; 以及通过感测所述透明介质上的不透明条带的存在来确定提前到打印区域的打印介质是不透明类型还是透明类型。
    • 10. 发明授权
    • Translational wiping technique for a stationary inkjet printhead
    • 固定式喷墨打印头的平移擦拭技术
    • US5898445A
    • 1999-04-27
    • US398709
    • 1995-03-06
    • Richard A. BeckerArthur K. WilsonWilliam S. Osborne
    • Richard A. BeckerArthur K. WilsonWilliam S. Osborne
    • B41J2/165
    • B41J2/16544
    • An inkjet printer has a printhead mounted in a carriage which periodically moves along a printhead path in a carriage scan direction to a stop position in a service station where an actuation device imparts translational motion to a wiper blade. The wiper blade moves along a linear wiping path orthogonal to the printhead path and across ink orifices on a nozzle surface of the printhead during a wiping operation. The wiper blade is removably mounted on a base and is split to form a first blade for wiping one column of ink orifices and a second blade for simultaneously wiping another column of ink orifices on a nozzle surface of the printhead. In a preferred form of the invention, the service station provides different sequential wiping steps with successive wiper blades by first drawing ink onto the nozzle surface from the ink orifices with a rounded blade edge of a leading wiper blade, and then wiping the ink from the nozzle surface with a sharp blade edge of a following wiper blade. The sequential wiping steps are repeated twice during a normal wiping cycle--once when the wiper blades leave a parking location to wipe across the stationary printhead, and again when the wiper blades change direction to wipe back across the same stationary printhead to return to the parking location located away from the printhead path.
    • 喷墨打印机具有安装在托架中的打印头,该托架沿托架扫描方向周期性地沿着打印头路径移动到服务站中的停止位置,其中致动装置将平移运动赋予刮片。 擦拭器刮片在擦拭操作期间沿着与打印头路径正交的线性擦拭路径并且在打印头的喷嘴表面上穿过墨口移动。 刮水片可拆卸地安装在基座上并被分开以形成用于擦拭一列油墨孔的第一刀片和第二刀片,用于同时擦拭打印头喷嘴表面上的另一列油墨孔。 在本发明的优选形式中,服务站通过首先将油墨从具有前刮水器叶片的圆形刀片边缘的墨水孔喷墨到喷嘴表面上,从而提供具有连续擦拭器刮片的不同顺序擦拭步骤,然后从 喷嘴表面具有随后的刮水片的锋利的刀片边缘。 顺序擦拭步骤在正常擦拭循环期间重复两次 - 一次当刮水器叶片离开停车位置以擦拭静止打印头时,再次当刮水器刮板改变方向以擦拭穿过相同的固定打印头返回到停车位 位置远离打印头路径。