Sharp drop-A570 not non -tend ?
Sharp mx-m450n?
when turned on it goes to green light then straight back to red standby lig?
Mend Er-3110 cash register?
what is my cashier id for 5400 cash register?
Till does not do anything ?
What is e6 showing in display?
how can I change prices?
How do i set an alarm for my wr30m sharp watch?