| 摘要 |
In a cleaning controller for a recording head of a recorder connected to an external device, a timer acquires a first time value indicating a current time from the external device, and performs cyclic clocking in which a first predetermined time period is repetitively clocked from a predetermined time point. A nonvolatile storage medium stores a second time value indicating a time at which a cleaning operation is lastly performed. A determinant compares the first and the second time values to obtain a third time value, and determines whether a cleaning operation is necessary to be performed based on the third time value. A cleaner performs a cleaning operation of the recording head based on the result determined by the determinant.
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