Contents
Main
Page
Page
Printing history
FCC Statement (U.S.A.)
User Instructions:
VDE Statement
CROMA24
ENCAD, Inc.
Material Safety Data Sheet
WARRANTY OR DAMAGE CLAIMS
Table of Contents
Chapter 1 General Description............................................................. 17
Chapter 2 Theory of Operation............................................................. 25
Chapter 3 Maintenance......................................................................... 43
Chapter 3 Maintenance (cont)
Chapter 4 Troubleshooting................................................................... 79
Chapter 3 Maintenance (cont)
Chapter 5 Assembly\Disassembly .......................................................8 7
Page
List of Illustrations
Chapter 1 General Description Chapter 2 Theory of Operation
Chapter 3 Maintenance
Chapter 4 Troubleshooting Chapter 5 Assembly/Disassembly
List of Illustrations (cont)
Chapter 3 Maintenance (cont)
Chapter 6 Parts List
List of Illustrations (cont)
Chapter 5 Assembly/Disassembly (cont)
List of Tables
1
General Description
Overview
Related Publications
Electrostatic Discharge (ESD) Sensitivity
Warnings, Cautions, and Notes
Printer Specifications
Contents of this Service Manual
Page
Technical Support
Page
2
Theory of Operation
Introduction
Croma24 Printer General Block Diagram
Page
Paper (Media) Axis Drive
The Carrier Axis Drive
Main Printed Circuit Board (MPCB)
Microprocessor
Gate Array
Memory Circuits
Flash EEPROM
DRAM
Serial EEPROM
Stepper Motor Controller
Servo Motor Controller
Page
Interface Circuits: Serial & Parallel
Carrier Assembly Circuits
Power Supply
System Grounding
Page
Front Key Controls
Page
Page
3
Maintenance
Scheduled Maintenance
Page
Service Station Cleaning
Linear Encoder Strip Cleaning
Cartridge Dimple Cleaning
Flex Cable Contact Cleaning
Clean and Inspect Stepper Motor Gears
Clean and Inspect MPCB
Clean and Inspect Carrier Assembly
Reseat Connectors on MPCB and Carrier Board
Page
Replace Carrier Bushings
Servo Motor Winding Resistance Check
Stepper Motor Winding Resistance Check
Banding: Hardware vs Software
Page
Alignments/Adjustments
Color Calibration
Deadband Alignment
X-Axis Calibration
Pinch Roller Adjustment Procedure
58 Maintenance
Page
Head Height Alignment Procedure
Page
Page
Page
Page
Croma24 Control Panel
Manufacturing Menu
Print Quality Test
Deadband
Diagnostics Menu
Paper Sensor Test
Fan Test
Page
Keypad Test
Page
Paper Motor Test
Service Menu
Built In Test (BIT)
Firmware/Software Upgrades
Internal Cabling and Signal Flow Diagram
Page
4
Troubleshooting
Page
Page
Page
Page
Page
Page
Page
5
Assembly\Disassembly
Remove the Left, Middle (Lid), and Right Covers
Install the Left, Middle, and Right Covers
Remove the MPCB (Main Printed Circuit Board) and Actuator Assembly
Install the MPCB and Actuator Assembly
Remove Servo Motor
Page
Install Servo Motor
Remove the Carrier Assembly, Carrier Belt, and the Frame Tensioner
Page
Page
Install the Carrier Assembly, Carrier Belt, and the Frame Tensioner
Page
Remove the Carrier PCB
Page
Install the Carrier PCB
Remove the Paper Sensor or the Encoder Sensor
Page
Install the Paper Sensor or the Encoder Sensor
Remove the Trailing Cable Cover Assembly
Page
Install the Trailing Cable Cover Assembly
Replacing the Carrier Bushings
Page
Remove the Service Station, Seals, and Wipers
Install the Service Station, Seals, and Wipers
Remove the Lower Roller Assembly and Stepper Motor
Page
Page
Install the Lower Roller Assembly and Stepper Motor
Page
Remove the Power Supply and AC Entry Module
Page
Page
Install the Power Supply and AC Entry Module
Page
Page
6
Parts List
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Page
Page
Page
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Page
Index
A
B
C
E
S
T
V
W
