Question about Sharp AL 1631 Copier
Welcome to Fixya. H3 means there was a problem in the fuser unit of the copier - a temperature problem. The correct temperature is not reached within a certain time. It could be a thermostat or thermistor problem - both monitor temperature. you could remove the fuser unit and make sure these items are clean - no build up on them. there should be a center and side thermistor.
You can reset the device by Press Program Key(P), Asterisks, Clear Key (C), Asterisk . when the stand by for simulation code appears type 14 to cancel the trouble code.
If the error persists then you may need new thermistors.
If you have questions please let me know. Thanks for using Fixya
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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