Ink supply mechanism for ink jet printers
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United States of America Patent
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-
May 19, 2009
Grant Date -
Apr 5, 2007
app pub date -
Dec 26, 2003
filing date -
Jan 31, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cartridge extension (80) having a plurality of cartridges (60) replaceably fitted therein is connected through an ink flow channel (90) to an ink supply port (50) formed in a printer main body (40). And ink is continuously supplied from one of the plurality of cartridges (60) fitted in the cartridge extension (80) to the ink supply port (50) through the ink flow channel (90), until the ink in the one cartridge (60) is depleted, whereupon the depletion is detected and the ink in the next cartridge (60) fitted in the cartridge extension (80) is continuously supplied to the ink supply port (50) through the ink flow channel (90). This step is repetitively performed by a sequence control means (100). And ink continuously supplied to the ink supply port (50) for a long period of time.
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