Importance

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Abstract

An recording apparatus and a method of controlling the operation of the recording apparatus in which the timing of replacing ink cartridges for supplying ink to a recording head or the timing of refilling the ink cartridges with ink is controlled in such a manner as to minimize the total amount of ink consumed during the operation of recovering the recording head performed after the ink cartridge is replaced or refilled thereby achieving a high efficiency in the replacement or refilling of ink cartridges. The amount of remaining ink is monitored for each ink cartridge. If an ink cartridge is detected to be so low in the amount of remaining ink that it should be replaced or refilled, then it is judged whether there is another ink cartridge whose amount of remaining ink is lower than a predetermined value. If there is such an ink cartridge, it is determined that the ink cartridge as well as the former one should also be replaced or refilled with ink. In accordance with the judgement result, information is presented about the ink cartridge which should be replaced or refilled. As opposed to conventional techniques in which there is a possibility that an ink cartridge runs out ink during a recovering operation performed after another ink cartridge was replaced or refilled with ink and thus it is also required to be replaced or refilled, the technique makes it possible to replace or refill ink cartridges in a highly efficient manner.

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First Claim