Elvis as recorded at madison square garden rar. Cash Registers Online has every SAM4s cash register manual available for email, download, or snail mail them to you on a CD or as a paper copy. ER-650, ER-5200. SAM4s Cash Registers User/Owner Manuals. SAM4s Cash Register Operator's Programming Manuals: This page lists user/owner's manuals of the SAM4s.