| 摘要 |
<p>An image recording apparatus (100) includes: plural power supply lines (121-1, 121-2, 121-N) to be connected with different power supplies, respectively; power supply line distinguishing means (121) which distinguishes to which of the power supply lines (121-1, 121-2, 121-N) is one or more of the power supplies being connected; at least one clock generating means (117) capable of varying a frequency of a clock signal and which outputs the clock signal; and controlling means (109) which varies the frequency of the clock signal of the at least one clock generating means (117) according to the power supply lines (121-1, 121-2, 121-N) distinguished by the power supply line distinguishing means (121).
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