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home Fix label Office Appliances label_important Cash Registers category Sharp

EO error on ER-290?

I have an E0 error and I can't get the beeping to stop.
I have already taken a Z report and turned the key to Z and pressed the clear button. Still beeps everytime I try to add a sale. What am I missing.
Tommy, December 2020
home Fix label Office Appliances label_important Cash Registers category Sharpdone
It sounds like data corruption. Has the battery been replaced on time?

Registerman, December 2020
link Click here to see other fixes for Sharp ER-290.

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