Integra CROMA24 - Manual (Page 9)

9
Croma24 Service Manual
Table of Contents
Chapter 1 General Description............................................................. 17
Introduction ............................................................................................................... 17
Overview ................................................................................................................... 18
Related Publications ........................................................................................... 18
Electrostatic Discharge (ESD) Sensitivity .................................................................. 18
Warnings, Cautions, and Notes ................................................................................. 19
Printer Specifications ................................................................................................ 20
Contents of this Service Manual ................................................................................ 21
Technical Support ..................................................................................................... 23
Chapter 2 Theory of Operation............................................................. 25
Introduction ............................................................................................................... 25
Croma24 Printer General Block Diagram .................................................................. 25
Paper (Media) Axis Drive .......................................................................................... 27
The Carrier Axis Drive ............................................................................................... 28
Main Printed Circuit Board (MPCB) ........................................................................... 29
Microprocessor ................................................................................................... 30
Gate Array .......................................................................................................... 30
Memory Circuits .................................................................................................. 31
Stepper Motor Controller ..................................................................................... 33
Servo Motor Controller ........................................................................................ 34
Interface Circuits: Serial & Parallel ...................................................................... 36
Carrier Assembly Circuits .......................................................................................... 37
Power Supply ............................................................................................................ 38
System Grounding .................................................................................................... 38
Front Key Controls .................................................................................................... 40
Chapter 3 Maintenance ......................................................................... 43
Introduction ............................................................................................................... 43
Scheduled Maintenance ............................................................................................ 43
Cleaning Procedures .......................................................................................... 44
External Cleaning ......................................................................................... 44
Slide Shaft Cleaning ..................................................................................... 44