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my till sam4s 290?

hi when i turn the key to void or reg, closed comes on the display, can you help.
steve, July 2014
You need to open the register by logging on with your secret PIN number. If you need to change your PIN number, use the codes from the manual. there's one here:

http://the-checkout-tech.com/manuals/cashregisters/Samsung_ER-290_operating_programming_manual.html

Registerman, July 2014