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How to program % discount on Sam4s ER-5200?
Programming SAM4S cash register till receipt?
How to remove E1 on Sam4s ER5115, key is turned on err occurs?
My sam4s ER-180UB displays read what does this mean ?
VAT rate change?
sps1000 non preset key use?
Sam4ER-420M won't work?
I have a Sam4s ER-290, tape walks to the left when I run it making it jam?
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