Wednesday, April 8, 2009

Label printer




A label printer is a computer printer that prints on self-adhesive label material and/or card-stock (tags). Label printers with built-in keyboards and displays, for stand-alone use (without a computer), are often called label makers. Label printers are different from ordinary printers because they need to have special feed mechanisms to handle rolled stock, or tear sheet (fanfold) stock. Common connectivity for label printers include RS-232 serial, Universal Serial Bus, parallel, Ethernet and various kinds of wireless. Label printers have a wide variety of applications, including supply chain management, retail price marking, packaging labels, blood and laboratory specimen marking, and fixed assets management


Types of Label Printers

Direct Thermal - Uses heat sensitive paper (similar to thermal fax paper). Direct thermal labels tend to fade over time (typically 6 to 12 months); if exposed to heat, direct sunlight or chemical vapors, the life is shortened. Therefore, direct thermal labels are primarily used for short duration applications, such as shipping labels.

Desktop label printers are generally designed for light- to medium-duty usage with a roll of stock up to 4" wide. They are quiet and inexpensive.

Commercial label printers can typically hold a larger roll of stock (up to 8" wide) and are geared for medium-volume printing.

Industrial label printers are designed for heavy-duty, continuous operation in warehouses, distribution centers and factories.

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