User guide Introduction1IntroductionPrinter features Your printer is a high speed and rugged design for easy use and heavyduty operation. It is designed for service-free PC, network and mini sy-stem operations.At top speeds of up to 500 cps the LA550N and LA550 keep pace withthe bustling, demanding world where printing is time sensitive and cri-tical. Engineered for printing under adverse conditions, these devicesproduce multi-part invoices, shipping documents or bar code labels ata rate of up to 26,000 pages per month.The printer handles up to 5-part forms with no skewing or jamming; itautomatically adjusts for different forms thickness. The straight paperpath is easy to access, for reliable forms handling.The LA550N/LA550W optionally is configured with an optional tractor(front). A straight paper path on the front tractors results in jam-freeoperation and flawless 24-wire impressions on up to 5-part forms. Bothmodels offer fully automated gap adjustment, paper parking, loading,etc.With extensive connectivity alternatives and popular emulations, theprinter is ideal for a variety of industrial or business applications.Symbols used Important information is highlighted in this manual by two symbols.CAUTION highlights information which must be observed in order toprevent injuries to the user and damage to the printer.NOTE highlights general or additional information about a specifictopic.STOP