Changing the Secondary Fixing Assembly Name
You can change the name of Secondary Fixing Assembly. In case multiple fixing assemblies are used, dedicating one exclusively for the A3 size paper for example, that fixing assembly can be identified by its changed name.
1.
Press 
(Settings/Registration).
(Settings/Registration).2.
Press [Preferences] → [Display Settings] → [Edit Secondary Fixing Assembly Name].
3.
Select the Secondary Fixing Assembly that you want to edit from the list → press [Edit].
4.
Enter a name → press [OK] → [OK].