In the method for establishing a session key, a network and a mobile transfer codes between one another. A contact-separation member assumes a first position for bringing the developer carrying member into contact with the image bearing member and a second position for separating the developer carrying member from the image bearing member. The reactor is an under-damped resonant circuit that includes a network of lighting elements. A duck billed valve is included for suctioning of surfactant delivery during resuscitation.