ix
CadJet 3D 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
CadJet 3D Printer General Block Diagram ................................................................2-1
Paper (Media) Axis Drive ..........................................................................................2-3
The Carriage Axis Drive.............................................................................................2-4
Main Printed Circuit Board (MPCB)........................................................................... 2-5
Microprocessor ..................................................................................................2-6
Gate Array .........................................................................................................2-6
Memory Circuits .................................................................................................2-7
Flash EEPROM ........................................................................................... 2-7
DRAM ..........................................................................................................2-8
Serial EEPROM...........................................................................................2-9
Stepper Motor Controller.....................................................................................2-9
Servo Motor Controller ...................................................................................... 2-11
Interface Circuits: Serial & Parallel ................................................................... 2-13
Carriage Assembly Circuits .................................................................................... 2-14
Control Panel .......................................................................................................... 2-15
Power Supply ......................................................................................................... 2-16
Beeper and Fans .................................................................................................... 2-16
Chapter 3 Maintenance ........................................................................ 3-1
Introduction ...............................................................................................................3-1
Scheduled Maintenance ...........................................................................................3-1
Cleaning Procedures .......................................................................................... 3-2
External Cleaning.........................................................................................3-2
Slide Shaft Cleaning.....................................................................................3-2
To Next Page
Loading...