How do i set an alarm for my wr30m sharp watch?
Paper Roll problem?
My cash register J2500S is displaying e999 with beeping sounds after a powe?
how can I change prices?
Sharp AR 6020v Error CH?
How do I change tax rate on my Sharp XE-A202 cash register?
Sharp drop-A570 not non -tend ?
Till does not do anything ?
when turned on it goes to green light then straight back to red standby lig?