Nx5400 how to change the price on the machine?
Em7 on/off switch?
my tax rate wont print on my aex102 csash register?
What is e6 showing in display?
when turned on it goes to green light then straight back to red standby lig?
Till does not do anything ?
Error H and 4?
how can I clear an error 1 on a M-ER5115?
How do i set an alarm for my wr30m sharp watch?