How to fix 1E-03 error in my NX-5400F?
How do I clear the memory full error message on Sharp XE-A301 cash register?
Need to fix?
Nx5400 how to change the price on the machine?
Paper Roll problem?
why wont our cash register let us press any buttons while beeping?
what is my cashier id for 5400 cash register?
How Can correct the REG error for Sharp XE-A506?
My cash register J2500S is displaying e999 with beeping sounds after a powe?