when turned on it goes to green light then straight back to red standby lig?
Em7 on/off switch?
Nx-5400F?
How Can correct the REG error for Sharp XE-A506?
Error H and 4?
My cash register J2500S is displaying e999 with beeping sounds after a powe?
Sharp drop-A570 not non -tend ?
Paper Roll problem?
How do I change tax rate on my Sharp XE-A202 cash register?