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How do I clear the memory on my SAM4s ER5115II cash register?
battery flat no key function sam4s sps1000?
Sam 4s Er-420M error?
My sam4s ER-180UB displays read what does this mean ?
How to program % discount on Sam4s ER-5200?
How to fix error code E39 (reg. valid) Sam4s ER-5200m?
how do I clear error code E00?
how can i fix an error E1 on sam4s?
My sam4s Er-5200 sequence error will not go off ?
how can i fix my sam4s er420m?
Sam4ER-420M won't work?