Service Manual Roland SOLJET EJ-640 Large Format Color Printer.
This manual is in the english language, in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Roland.
Table of contents:
Table of Contents
Revision History
Warning Labels
Special Tools
CHAPTER 1. REPLACEMENT OF MAIN PARTS
Important Points
Print Head Replacement
Damper Replacement
Wiper Replacement
Felt Wiper Replacement
Wiper Scraper Replacement
Cap Top Replacement
Scan Motor Replacement
Feed Motor Replacement
Pump Replacement
Main Board Replacement
Servo Board Replacement
Head Board Replacement
SW Power Supply Replacement
Battery Replacement
Carriage Belt Replacement
Encoder Scale Replacement
Pinch Roller Replacement
Linear Encoder Board Replacement
Ink Tube Replacement
Choke Valve Replacement
Y-Shaped Tube Replacement
CHAPTER 2. ADJUSTMENTS
Service Mode
History Menu
Other Factory Modes
Key Combinations
Firmware Upgrade
Firmware Installation
Head Alignment
How to Fold the Ribbon Cable to the Print Head
Limit Position & Cut Down Position Initialize
Linear Encoder Setup
Flushing Position Adjustment
Feed Calibration
Belt Tension Adjustment
Belt Position Adjustment
Paper Side Sensor Adjustment
Feed Adjuster Adjustment
CHAPTER 3. ELECTRICAL PARTS
Wiring Map
Main Board
Servo Board
Print Carriage Board
Head Board
Pump Drive Board
Maintenance Board
Ink System Board
Grit Encoder Board
DC Junction Board
AC Junction Board
Clump Sensor Board
Interlock Board
Paper Side Sensor Board
Linear Encoder Board
Heater Control Board
Panel Board
EXT I/F Board
Valve Drive Board
Valve Drive OPT Board
Thermistor Board
LED Drive Board
CHAPTER 4. SUPPLEMENT
Motor Error
Error Code
Error Code
Sensor Map
CHAPTER 5. DIMENSOR S ELECTRIC PARTS
View of elec tric cabinet
Part List
Wire List
Terminal Block Schemes
Electric Schemes
EJ640 ej 640