发明名称 Customized printhead servicing for different printer conditions
摘要 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.
申请公布号 US5793388(A) 申请公布日期 1998.08.11
申请号 US19950399397 申请日期 1995.03.06
申请人 HEWLETT-PACKARD COMPANY 发明人 MARTINSON, PAUL E.;DOAN, LONG;BECKER, RICHARD A.;OSBORNE, WILLIAM S.
分类号 B41J2/165;(IPC1-7):B41J29/393 主分类号 B41J2/165
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