To steal or not to steal: firm attributes

Apparatus to enable efficient cleaning of the tape-contacting and associated elements of a cartridge tape machine. An open-backed tape cartridge shell is inserted in conventional fashion into a cartridge tape machine to provide access through the tape cartridge shell to the tape-contacting elements of the cartridge tape machine. Included within the tape cartridge shell are batteries and a light bulb aimed toward the tape-contacting elements of the tape machine as well as a switch for energizing the light bulb.