Samsung er 4915 cash register manual pdf ER-420M Electronic Cash Register AU Operation and Program Manual ER-420 ELECTRONIC CASH REGISTER All specifications are subject to change without notice JK68-60964P(Rev.04) From ER-420M v1.0 up to v2.5 . ATTENTION The product that you have purchased contains a rechargeable Ni-MH battery. This battery is recyclable. At the end […]