While you wait for answers, we may have found some information which could help you.
Success
Message
Nx5400 how to change the price on the machine?
My cash register J2500S is displaying e999 with beeping sounds after a powe?
Mend Er-3110 cash register?
Till does not do anything ?
Sharp xe-a137?
how can I clear an error 1 on a M-ER5115?
Paper Roll problem?
EO error on ER-290?
How do I change tax rate on my Sharp XE-A202 cash register?
how can I change prices?
Nx-5400F?
how can i fix my cx200?