A power supply device includes a battery block 2, a hollow exhaust duct 20 and an exterior case 30. The terminal functionality includes a ring-opened radical of a cyclosilazane or cyclic hydrosiloxane. The radio frequency tag carries data relating to at least one of: a serial number of the cartridge, a media and a media colorant. The system includes a card reader or other credential verifying device and an electronic controller for activating the locking mechanism, The system also includes a barrel lock for over-riding the electronic controller. Damped rags enter the wringer through a rag funnel having an upper entry and a bottom exit, the bottom exit being juxtaposed to the entry of the roller assembly.