- Pull out the extension [A] of the finisher's shift tray.
- Attach the extension tray [A] to the relay tray [B].
Attach the assembled tray [A] to the finisher.
When attaching the tray, make sure that the extension of the finisher shift tray reaches the position shown in the picture below.
Attach the support plate [A] provided with this option.
Insert the pins [A] of the support plate into the holes [B] in the shift tray.