The present invention relates to a system and method for dynamically adjusting the bandwidth of a continuous bit rate virtual path connection established between a source node and a destination node within a packet or cell switching network comprising a plurality of nodes interconnected with transmission links. A plurality of wafers are tested for die that pass or fail predetermined test criteria. The vehicle also includes a fan associated with the engine. The print unit prints onto a sheet conveyed by the conveying rollers and the plurality of pinch rollers.