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Sharp fo-4470 high voltage error - Sharp Fax Machines

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SOURCE: Sharp FO-4470: Error message is: "check cover or drum"

I'm assuming you already replaced the drum, and are still getting this error? Sometimes the chip in the drum that resets the counter is bad. This is esp. true if you get a reman drum. You should replace the drum and try again to see if this fixes the problem. Go back to the place you bought the new drum from and tell them the chip didn't reset the counter and if it's still under warranty they should replace it.

Posted on Jun 17, 2010

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SOURCE: Our office uses a Sharp FO-4470 fax machine. this

It probably means that the high voltage driver board is blown. You'll have to take it to a service center for repair.

Posted on Feb 18, 2011

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