Method and apparatus for controlling the amount of ink and the life of the printhead in an ink-jet recording apparatus
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United States of America Patent
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-
Nov 5, 2002
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Dec 19, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ink-jet recording apparatus, using an ink-jet head for ejecting ink supplied from an ink tank for storing ink and performing recording by ejecting ink from the ink-jet head based on recording data, the ink-jet recording apparatus performing recording by receiving the recording data transferred from a host through a signal line in a state that the ink-jet recording apparatus is connected to the host by the signal line. The apparatus obtains information as to a remaining amount of ink stored in an ink tank and a used amount of the ink-jet head, and stores the information so-obtained. A controller processes recording data transferred from the host and controls recording by the ink-jet head. According to one aspect, the controller transfers information stored in the memory to the host through the signal line according to a command input through the signal line.
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