The disclosure relates to the control of a printed product processing system, which comprises a collecting system having a conveyer and a plurality of feed conveyers for creating product collections from products fed by the feed conveyers, occupancy plans are generated and stored which specify, for the feed conveyers, in each case a chronological sequence of the products to be fed by the feed conveyer to the conveyer to create the product collections. On the basis of the occupancy plans, for the feed conveyers, in each case one product to be fed is determined and transmitted to mobile transport devices. The occupancy plans enable the operating personnel to announce early and in good time which products the feed conveyers are to be occupied with and which must for this purpose be supplied thereto on pallets.