A labeling device includes a printer configured to print labels each having a barcode on a print side of the label opposite an adhesive side of the label. The printer is also configured to direct each printed label in a direction of travel. The device includes a label applicator located downstream of the printer with respect to the direction of travel. The device also includes a barcode scanner that is located downstream of the printer with respect to the direction of travel and is configured to scan the barcode of each label before the label applicator presses the label against the package.