Dark smoke from vent

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Angler2184

Member
Dec 17, 2011
40
OCMD
I have a USSC 5660, that has been recently emitting dark smoke out of the vent. I have noticed this in the past on startup once its starts to get pretty hot but eventually would clear up. Now its seems to happen randomly. I cleaned everything 2 days ago and it was fine till this morning. I scrape the pot every time I add a bag. Could it be just that the air is being restricted from ash? Thanks