וַיְהִ֕י בְּצֵ֥את הַכֹּהֲנִ֖ים מִן־הַקֹּ֑דֶשׁ וְהֶעָנָ֥ן מָלֵ֖א אֶת־בֵּ֥ית יְהוָֽה׃
Rashi on I Kings
After the Kohanim went out of the Kodesh. As the Kohanim who carried the Ark into the Holy of Holies were leaving, the Divine Presence immediately came to rest in the Sanctuary.