Canon imageCLASS MF6500 Series Basic Manual page 44

Setting Daylight Saving Time
In some countries or areas, time is advanced throughout the summer season. This is
called "Daylight Saving Time."
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[OK]
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Press [Additional Functions].
Press [4 m] or [4-_] to select <TIMER SETTINGS>, then press [OK].
Press [_m] or [+_] to select <DAYLIGHT SV.TIME>, then press [OK].
Press [4 _] or [4=_] to select <ON>, then press [OK].
Confirm that <START DATE/TIME> is displayed, then press [OK].
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