EO error on ER-290?
Em7 on/off switch?
when turned on it goes to green light then straight back to red standby lig?
Till does not do anything ?
NADA but Error mess.Changed the batteries in my Sharp ER-A330 Cash Register?
how can I clear an error 1 on a M-ER5115?
how can I change prices?
Nx5400 how to change the price on the machine?
what is my cashier id for 5400 cash register?