Press [Paper Setting] on the [MACHINE] screen to display the [Paper Setting] screen.
Specify the paper setting of Paper Feeder Unit PF-707 or Paper Feeder Unit PF-708, the cover tray of Perfect Binder PB-503, the upper tray/lower tray of Post Inserter mounted on Folding Unit FD-503, or the upper tray/lower tray of Post Inserter PI-502.
For details about Paper Setting, refer to Paper Setting: Setting Paper for Tray.