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Mend Sharp ER4640

no response from keyboard?

Hi I have no response from my er4640 it will not reset or do anything else

Peter Oates
October 2012
SharpSharp ER4640Office Appliances, Cash Registers
If you can't reset it then it sounds like keyboard failure. Some machines have a hard reset which can restart a crash. Check your manual.

Registerman
October 2012

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Topic

Sharp ER4640 Keyboard Not Working - Fix