LABELWRITER 450 DUO With the DYMO LabelWriter you're ready to tackle virtually any labeling or mailing job. Print impressive address labels, shipping labels, file folder labels, name badges and more, at speeds up to 71 labels per minute. Like all LabelWriter printers the LabelWriter Duo printer never needs ink or toner, and includes software you can use to print labels directly from text in popular software programs, verify US addresses and ZIP+4 codes, and much more.