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    • 7. 发明授权
    • Reserving ink for printer servicing purposes
    • 预留墨水进行打印机维修
    • US06607262B2
    • 2003-08-19
    • US09883823
    • 2001-06-18
    • Ronald G. PaulRory A. Heim
    • Ronald G. PaulRory A. Heim
    • B41J2165
    • B41J2/17566B41J2/1652B41J2002/17589
    • An inkjet printing system and method that enables printing to continue after an ink supply has been depleted without damaging the printhead associated with the depleted ink supply. The method detects whether less than a predetermined reserve amount of ink remains in a depleted ink supply and, if so, then ink drops will be ejected from that depleted ink supply only during servicing operations. Since ink drops from non-depleted ink supplies will still be ejected during both printing operations and servicing operations, printing can continue, though possibly with reduced image quality. This is particularly advantageous in printing systems that include fax capability, since fax messages that cannot be printed may be lost.
    • 一种喷墨打印系统和方法,其能够在墨水供应耗尽后继续打印,而不会损坏与耗尽的墨水供应相关联的打印头。 该方法检测在耗尽的墨水供应中是否保留少于预定的储备量的墨水,如果是,则在维修操作期间墨滴将从该耗尽的墨水供应中排出。 由于在打印操作和维修操作期间,从未耗尽的墨水供应的墨滴仍然会被排出,打印可以继续,尽管可能降低图像质量。 这在包括传真功能的打印系统中特别有利,因为不能打印的传真消息可能会丢失。