Keurig Kwestion

earlyre thought this was worth mentioning said
3

I recently bought my first k cup brewer( a Mr coffee branded model) on clearance for $17.50. picked up a couple boxes of kcups, ( Maxwell House, and Tim Hortons) so far every cup “brewed” tastes like plastic. More so with the Maxwell House, but still noticeable with the Timmie’s.
Does this go away with time, or did I miss something? BTW, got no instructions, as it was the former display model…