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1.1 GENERAL
CHAPTER 1
GENERAL DESCRIPTION
The LASO (Figure 1-1) is a desk top, receive-only, microprocessor controlled, dot-matrix printer. The print-
er is available in four models to meet international power requirements. They are the model LASO-RA,
LASO-RB, LASO-RC, and LASO-RD which operate at 120 Vac, 220 Vac, 240 Vac, and 100 Vac respec-
tively. Print modes are either text or graphic. In the text mode, characters define the functions and charac-
ter symbols usually associated with alphanumeric printers. In the graphic mode, characters define one of 64
possible I X 6 dot combinations for print. The LASO receives characters and commands through an asyn-
chronous serial interface at selectable baud rates from
l l
0 to 4800 baud.
1.2 PHYSICAL DESCRIPTION
The LASO main assemblies consist of the printer mechanism, printhead, and the printed circuit board
(PCB). The PCB is reached through the bottom of the printer and contains the logic, control, and power
supply circuits.
Figure l-1
LASO Printer
1-1
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Troubleshooting
