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2
2-1
THEORY OF
OPERATION
Introduction
This chapter explains the mechanical and electrical theory of operation
of the ENCAD NovaJet 500/630/700 Series Color Inkjet printers.
The NovaJet 500/630/700 Series is a PowerPC 33MHz microprocessor-
based digital printer that receives plotting instructions from a host
computer through either the RS-422 serial interface or the Centronics
parallel interface.
NovaJet 500/630/700 Printers General
Block Diagram
Figure 2-1 illustrates the major functional areas of the printers.
The NovaJet 500/630/700 Series printers consist of three mechanical
assemblies:
1. Paper (Media) Axis Drive
2. Carriage Axis Drive
3. Media Feed and Take-Up System
(Mechanical Take-Up system is optional on the 500 & 630
printers.)
and four main electrical assemblies:
1. MPCB (Main Printed Circuit Board)
2. Carriage Assembly
3. Control Panel
4. Power Supply
Theory of Operation