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sps1000 non preset key use?
Programming SAM4S cash register till receipt?
How to fix it?
Register Closed?
How to program % discount on Sam4s ER-5200?
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How do I clear the memory on my SAM4s ER5115II cash register?
dead sam4s5200m?
How can I mend ER-5240M?
how can i fix my sam4s er420m?
VAT rate change?
How to fix error code E39 (reg. valid) Sam4s ER-5200m?