Epson EPL-9000, Service Manual

Page: 7 / 162

PREFACE
This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair
of EPL-9000.
The instructions and procedures included herein are intended for the experience repair technician, and
attention should be given to the precautions on the preceding page. The chapters are organized as
follows:
CHAPTER 1. GENERAL DESCRIPTION
Provides a general product overview, lists specifications, and illustrates the main components of the printer.
CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of printer operation.
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
Includes a step-by-step guide for product disassembly and assembly.
CHAPTER 4. ADJUSTMENTS
Includes a step-by-step guide for adjustment.
CHAPTER 5. TROUBLESHOOTING
Provides Epson-approved techniques for adjustment.
CHAPTER 6. MAINTENANCE
Describes preventive maintenance techniques to service the equipment.
APPENDIX
Describes connector pin assignments, circuit diagrams, circuit board component layout.
The contents of this manual are subject to change without notice.
vi -