If you are doing separate jobs it makes separate files. You can try to get one file via Manual Feed Mode (Page 21 of OneTouch guide)
If you are loading 5 pages in the adf and getting 5 pages in separate digital files, then you are using single page formats or have Create single image files enabled (Page 16 of OneTouch guide)
Outside of those 2 options you would likely need Nuance Paperport.