NovaJet 800 Series Service Manual

Table of Contents

Chapter 1 General Description

1-1

Introduction

1-1

Overview

1-3

Related Publications

1-3

Electrostatic Discharge (ESD) Sensitivity

1-3

Warnings, Cautions and Notes

1-4

Printer Specifications

1-5

Contents of this Service Manual

1-6

Technical Support

1-8

Chapter 2 Theory of Operation

2-1

Introduction

2-1

NovaJet 800 Series Printers General Block Diagram

2-2

Paper (Media) Axis Drive

2-4

The Carriage Axis Drive

2-5

Media Feed and Take-Up System

2-6

Main PWA (Printed Wiring Assembly)

2-7

Main PWA LED Status Indicators

2-8

Microprocessor (CPU)

2-8

Gate Array

2-9

Digital Signal Processor (DSP)

2-9

Memory Circuits

2-10

Flash EEPROM

2-10

SDRAM

2-11

Serial EEPROM

2-11

Stepper Motor Controller

2-11

Servo Motor Controller

2-13

Interface Circuits: Serial & Parallel

2-15

ix

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Kodak 800 SERIES service manual Table of Contents