Sharp cash register XE-A102 frozen keyboard?
My cash register J2500S is displaying e999 with beeping sounds after a powe?
how can I clear an error 1 on a M-ER5115?
NADA but Error mess.Changed the batteries in my Sharp ER-A330 Cash Register?
How do I change tax rate on my Sharp XE-A202 cash register?
fixing date & time?