This can be specified by the owner.
Specify the users and their access permission to documents stored by a particular user.
Only those users granted access permission can access stored documents. This makes managing access permission easier than specifying and managing access permissions for each stored document.
Press the [Home] key on the top left of the control panel, and press the [Address Book Mangmnt] icon on the [Home] screen.
Select the user.
Press [Protection].
Under [Protect File(s)], press [Program/Change/Delete] for [Permissions for Users / Groups].
Press [New Program].
Select the users to register.
You can select one user or more.
By pressing [All Users], you can select all the users.
Press [Exit].
Select the user who you want to assign access permission to, and then select the permission.
Select the access permission from [Read-only], [Edit], [Edit / Delete], or [Full Control].
Press [Exit].
Press [OK].
Press the [User Tools/Counter] key.
For details about the access permission, see Specifying Access Permission for Stored Documents.