发明名称 METHOD OF DETECTING RESIDUAL QUANTITY OF INK, PRINTING DEVICE, PROGRAM AND STORAGE MEDIUM
摘要 There are provided a method of detecting an ink residual quantity and a printing device which do not make an erroneous determination as to detection on presence/absence of ink without influence of ink mist generated in the middle of using a printing device on calibration of an optical sensor. Therefore, by performing allotment processing based upon ink tank memory element information, calibration of an optical sensor using a reflection portion equipped in the ink tank, in a state where it is determined that the ink is left in the ink tank.
申请公布号 US2008266335(A1) 申请公布日期 2008.10.30
申请号 US20080108952 申请日期 2008.04.24
申请人 CANON KABUSHIKI KAISHA 发明人 KUSAKA KOJI
分类号 B41J29/38;G01D18/00;G01F23/292 主分类号 B41J29/38
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