Catalysis of the reaction: 1,2,3,5-tetrahydroxybenzene + 1,2,3-trihydroxybenzene = 1,3,5-trihydroxybenzene + 1,2,3,5-tetrahydroxybenzene.
1,2,3,5-tetrahydroxybenzene:1,2,3-trihydroxybenzene hydroxytransferase activity