Paper Handling and Finishing Option - imageRUNNER ADVANCE 4500 Series

Within the Canon line-up, the imageRUNNER ADVANCE 4500 Series models are the lowest volume offerings of the black/white A3 imageRUNNER ADVANCE lineup.
The imageRUNNER ADVANCE 4500 Series consists of four black/white A3 models supporting print volumes and finishing options at speeds of 51/45/35/25 ppm.

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How do I use the bypass?