My cash register J2500S is displaying e999 with beeping sounds after a powe?
EO error on ER-290?
when turned on it goes to green light then straight back to red standby lig?
How Can correct the REG error for Sharp XE-A506?
Takes in water but displayed end and drain immediately ?
Nx-5400F?
How do I change tax rate on my Sharp XE-A202 cash register?
Mend Er-3110 cash register?
Nx5400 how to change the price on the machine?