A printer or other powder deposition device may include multiple toning stations, and the toning stations may be positioned in various configurations within the device. The present system and method allow forwarding of a reference through a forwarder exporting module for a specified export when an explicit entrypoint doesdo not exist for the specified export in the forwarder exporting module and still allow correlation from the importing module to the exporting module when the loader is loading the importing module during a load time. The substance transfer device is capable of simultaneously dispensing substances into two or more receptacles or simultaneously removing substances from two or more receptacles.