Nx5400 how to change the price on the machine?
How do I change tax rate on my Sharp XE-A202 cash register?
my tax rate wont print on my aex102 csash register?
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My cash register J2500S is displaying e999 with beeping sounds after a powe?
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why wont our cash register let us press any buttons while beeping?
how can I change prices?
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