The QL 420s Quick Link modules, in Ir DA, Bluetooth, or 802.11b, offer the flexibility to adjust to a wide range of connectivity needs. As needs change, so can Quick Link modules. In addition, the QL 420 is cable-ready & offers cables to connect to a wider variety of terminals than any other mobile printer. The QL 420 direct thermal mobile printer has been designed with the most advanced technology in rubber-infused over-molding to maintain both rugged construction & minimal weight. With centre-loading media, smart battery monitoring, & an optional LCD, it provides user-friendly options to keep your business moving. Ideal for many applications, including pick tickets, forklift-mounted printing, customer pick-up, shipment labeling, inventory updates, meter reading receipts, delivery verification invoices, & gas & utility inspection documentation. Print method: Direct thermal Native CPCL, ZPL, EPL2, & XML support Rubber infused plastic over-mold design for tough conditions Battery monitoring via a battery low indicator light or gauge on the optional LCD Lithium ion battery Open access design & centre locking media loading Backward compatible with Encore & Cameo media & cables Label Vista & Windows printer drivers Quick Flip Peel & Present Mode USB (Universal Serial Bus) connectivity for high speed file transfers