Nx5400 how to change the price on the machine?
NADA but Error mess.Changed the batteries in my Sharp ER-A330 Cash Register?
How do i set an alarm for my wr30m sharp watch?
how can I change prices?
What is e6 showing in display?
My cash register J2500S is displaying e999 with beeping sounds after a powe?
Till does not do anything ?
when turned on it goes to green light then straight back to red standby lig?
Paper Roll problem?