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The length of time that the copier uses to recover from the energy saver (auto preheat) function can be selected between within 10 seconds (priority to recovery) and within 30 seconds (priority to power save). (See “Auto preheat time” on page 6-4 and “Preheat recovery time” on page 6-5.) (English text panel) (Symbol panel) 4. Auto shut-off function This function automatically turns the main switch OFF (O) if no copying operation is preformed for a certain period of time (15 to 120 minutes). To m