The I-4212 boasts a Print Speed up to 12 inches per second (304mm/sec). Not only is this the fastest printer in the Datamax I-Class Series, it also provides the fastest Label through put of any like product. By combining high speeds with the I-Class rugged precision crafted die-cast aluminum frame, the I-4212 is the ideal choice for your high volume, mission critical printing Applications, either On-Demand or in batches.The I-Class supports a 4.65-inch(118mm) maximum Label width making the Product Ideal for Labeling Applications in industrial, commercial, business and clinical environments. A field installable flash/font expansion card allows for storage of Label formats, graphics, downloadable fonts and international language print capabilities, thus minimizing formatting download time and maximizing printer output.