http://www.betson.com/images/cms/vending/330b325d322c4b9e2b1954e1eef729f3_USI_CB300SA_CB30SAServiceManual.pdf
http://www.vendnetusa.com/wfdata/files/4212585.pdf
http://www.coinco.com/coin/faq/servicematerials/924973_MAG_Manual.pdf
