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    • 6. 发明申请
    • METHOD AND SYSTEM FOR IMPROVING ELECTROPHOTOGRAPHIC RUN COST THROUGH CYCLIC EFFICIENCY OF THE CHARGING DEVICE
    • 通过充电装置的循环效率改善电子照相运行成本的方法和系统
    • US20080101807A1
    • 2008-05-01
    • US11555398
    • 2006-11-01
    • Aaron M. BURRYChristopher A. DIRUBIOEric S. HAMBY
    • Aaron M. BURRYChristopher A. DIRUBIOEric S. HAMBY
    • G03G15/02
    • G03G15/0216
    • The life of the photoconductor in an image forming apparatus is typically limited by the eventual occurrence of some form of print quality defect related to the photoconductor. One of the typical failure mechanisms is the slow wearing away of the surface layer of the photoconductor. Photoconductor run life is improved by operating a charging station in a low wear mode during certain circumstances, including: during printing of a low stress page as detected based on the image data; during at least one of cycle up and cycle down operations to control charging of the at least one photoconductor over at least one print zone for at least one cycle of rotation of the at least one photoconductor; during printing of at least one test patch in a process control cycle; and upon determination from the image data that at least one photoconductor will not contribute to the printing during a next print cycle.
    • 图像形成装置中的光电导体的寿命通常受到与感光体相关的某种形式的印刷质量缺陷的最终发生的限制。 典型的故障机理之一是光电导体表层缓慢磨损。 在某些情况下,通过在低磨损模式下操作充电站来改善感光体寿命,包括:在基于图像数据检测到的低压页面的打印期间; 在至少一个循环向上和循环下降操作期间,以控制至少一个光电导体在至少一个印刷区上的充电,用于至少一个光电导体的至少一个旋转周期; 在过程控制周期中打印至少一个测试贴片; 并且根据图像数据确定至少一个感光体在下一个打印周期期间不会对打印有贡献。
    • 10. 发明申请
    • TESTING TRANSFER NIPS OF PRINTING DEVICES USING TRANSFER FIELD UNIFORMITY MAPS
    • 使用传输场均匀性测试打印设备的传送速度
    • US20120121276A1
    • 2012-05-17
    • US12945942
    • 2010-11-15
    • Christopher A. DiRubioCharles H. TabbMichael A. FayetteJohn S. Facci
    • Christopher A. DiRubioCharles H. TabbMichael A. FayetteJohn S. Facci
    • G03G15/00
    • G03G15/1605G03G15/0131
    • A method and apparatus can, while operating a printing device in a test mode, supply a changed transfer field to a marking material transfer device. The changed transfer field is less than or more than the standard transfer field. The method and apparatus disable operations of other marking material transfer devices of the printing device to isolate the marking material transfer device. Further, the method and apparatus compare the actual amount and/or spatial distribution of marking material transferred to a recipient surface (to which the first marking material transfer device transfers the marking material) against a predetermined standard. Then, if the actual amount of marking material transferred to the recipient surface is different than the predetermined standard, the method and apparatus can identify the first marking material transfer device as being a potential source of printing defects.
    • 一种方法和装置可以在测试模式下操作打印装置的同时,将改变的传送场提供给标记材料传送装置。 改变的传输字段小于或大于标准传输字段。 所述方法和装置禁止打印装置的其他标记材料传送装置的操作以隔离标记材料传送装置。 此外,该方法和装置将转移到受体表面的标记材料(第一标记材料转移装置转移到标记材料)的实际量和/或空间分布与预定标准进行比较。 然后,如果转移到接受面的标记材料的实际量不同于预定标准,则该方法和装置可以将第一标记材料转移装置识别为潜在的印刷缺陷源。