The idea of “types of consciousness” may be anathema to indologists who hold that in Sāṁkhya and Advaita Vedanta consciousness is intrinsically "pure" in the sense of Forman’s "pure consciousness", and it is true that the Indian tradition attaches great value to pure consciousness. It is, however, also full of references to different states and types of consciousness: one may think for example of the waking, dream, sleep and turya states in the Chandogya Upanishad (viii, 8-12) , or the different types of puruṣa in the Taittiriya.
There is an interesting technical analogue for the idea that purity and freedom of content can go quite well together with having different “types”. The carrier-waves used in radio-transmission and cellular networks are themselves pure in the sense that they are content-free and don't influence the content they transmit, and yet they do have different properties and are used for different purposes: long-wave radio is for example ideal for high quality music-transmissions with local coverage, while shortwave is best for less demanding sound quality with global coverage. In a somewhat similar fashion, the consciousness in the manomaya and in the prāṇamaya puruṣa is equally pure, eternal, infinite and blissful, and yet the two "types" differ and serve different purposes: the manomaya puruṣa supports thought, ideation, perception etc., while the prāṇamaya puruṣa is about energy, possession, mutual exchange, etc.