Techniques and systems for reclaiming metals from articles having one or more components containing or coated with copper are provided. The capture manager determines to detect, at a device, one or more objects in a content stream. With the provision of the lever guard, the cartridge locking lever is prevented from transitioning to a locking state even if the tray locking lever is unlocked while no cartridge is accommodated in the cartridge tray. Accordingly, it is possible to increase the input frequency of the image signals. A controller relates the acoustic signal to at least one chemical component of the fluid sample.