How do I clean the entrance needle?
Lift the coffee maker handle and locate the entrance needle on the underside of the lid. Hold the handle in the upward position and carefully insert a straightened paper clip into both holes in the needle, gently moving it around to loosen any coffee grounds. Then lower the handle completely and run two water-only brew cycles without inserting a K-Cup pod. (Page 3)
From the official Keurig K-Slim Single Serve Coffee Maker manual, page 3
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