I Bought This Machine Second Hand And Wen I Got It I Would Put A Tenner In It And Would Pay On 20 Quid Every Time I Opened It Up To Find There Was No Percentage Key I Put One In It And Still Well Over Pays My Mate Told Me The Eprom Has Been Flashed To Pay Maxuimum Payout So The Key Is Useless
if thats the case how do i reset the memory