Liquid discharge apparatus
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Dec 5, 2016
filing date -
Dec 15, 2015
priority date (Note) -
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Abstract
A liquid discharge apparatus includes a liquid discharge head, a cap, a wiper, a maintenance device, and a maintenance controller. Receiving an execution instruction of a maintenance operation, the maintenance controller controls the maintenance device to perform a second maintenance operation when an amount of stain of a nozzle face of the head from a preceding round of the second maintenance operation is equal to or greater than a first threshold and an elapsed time from the preceding round of the second maintenance operation is equal to or greater than a second threshold, and controls the maintenance device to perform a first maintenance operation when the amount of stain of the nozzle face from the preceding round of the second maintenance operation is equal to or greater than the first threshold and the elapsed time from the preceding round of the second maintenance operation is smaller than the second threshold.
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