shopkeep-support.lightspeedhq.com › supportDYMO LabelWriter Troubleshooting | ShopKeep Support If labels are loaded in the printer but you want to switch to a different size, swap out the roll. Follow these steps to remove the existing roll of labels from the printer and load a new one. Tear off any labels that have fed through the printer. Press the reverse feed button on the inside (LabelWriter 450) or outside (LabelWriter 55) of the ...