HP 16V - Manual (Page 151)

Toner
Electrically charged carbon particles that adhere to charged areas on
the photoconductive drum to produce an image pattern. The carbon
pattern is transferred to the paper and melted by the fuser unit to
form a permanent image on the paper.
Transfer unit
The part inside a page printer that transfers the image from the
photoconductive drum to the paper.
GL-8 User’s Manual