Press RECALL.
The RECALL screen is displayed.
Select the folder that contains the user box you want to delete.
supplementary explanationIf the folder is password-protected, enter the password.

Select a user box to be deleted.
supplementary explanationIf the user box is password-protected, enter the password.

Delete all jobs in the user box, then press Delete.
supplementary explanationYou cannot delete a user box if it contains a job.

Press Yes on the confirmation dialog.
The selected user box is deleted.