A non-fuser apparatus Customer Replaceable Unit (CRU) is provided for use in a toner powder marking technology reproduction machine including a fuser apparatus for fusing toner images. The CRU includes a housing having an external surface contoured for inserting into a CRU cavity within the reproduction machine, and elements of the reproduction machine, not including the fuser apparatus, requiring occasional. The CRU importantly includes a fuser release agent supply assembly connected to the housing thereof for supplying fuser release agent to the fuser apparatus. The fuser release agent supply assembly includes an agent reservoir located within the housing for containing fuser release agent, and an openable access door formed through a portion of the housing into the agent reservoir for releasing fuser release agent from the reservoir.