The use of high definition digital LED technology achieves a superior level of print quality. This, combined with flexible media handling of up to 220 gsm and OKI's unique Template Manager, means that small businesses or workgroups can now create and print a wide variety of documents and marketing materials in-house, including business cards, CD/DVD labels, leaflets, presentations and banners up to 1320 mm. The C331dn has many features that reduce your impact upon the environment, whilst also reducing your on-going costs. A pre-set option automatically powers off devices when not in use. This is in addition to the deep sleep mode that places the printers to sleep when not in use and powers up as you request to print a job.