Chapter 2 theory of operation, Introduction, Croma24 printer general block diagram – Integra CROMA24 User Manual

Page 25: Introduction croma24 printer general block diagram, Theory of operation

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2

THEORY OF

OPERA

TION

25

Introduction

This chapter explains the mechanical and electrical theory of opera-
tion of the ENCAD Croma24 D-Size Color Inkjet printer.

The Croma24 is a MC68322 microprocessor-based digital printer
that receives plotting instructions from a host computer through
either the RS-422 serial interface or the Centronics parallel inter-
face.

Croma24 Printer General Block Diagram

Figure 2-1 illustrates the major functional areas of the printer.

The Croma24 printer consists of two mechanical drives:

1.

Paper (Media) Axis Drive

2.

Carrier Axis Drive

and three main electrical assemblies:

1.

MPCB (Main Printed Circuit Board)

2.

Carrier Assembly

3.

Power Supply

Theory of Operation

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