3M X31i, X36i Resetting all settings, Symptoms that may be mistaken for machine defects, WKHVHKDVQRWEHHQSURSHUO\¿[HG, SURFHGXUHV, 3RZHUGRHV, QRWFRPHRQ, Symptom

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Troubleshooting

Resetting all settings

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Symptoms that may be mistaken for machine defects

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Symptom	Solution	Reference
		page

	The electrical power cord is not plugged in.	
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	The main power source has been interrupted during
	operation such as by a power outage (blackout), etc.	
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QRWFRPHRQ	Either there is no lamp and/or lamp door, or either of
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	The signal cables are not correctly connected.	a
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	Signal source does not correctly work.	–
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1HLWKHUVRXQGV	The input changeover settings are mismatched.	a
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	The BLANK function for pictures and the MUTE
	function for sounds are working.
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