About This Manual
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and 
procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.
Manual Configuration
This manual consists of six chapters and Appendix.
CHAPTER 1.PRODUCT DESCRIPTIONS
Provides a general overview and specifications of the 
product.
CHAPTER 2.OPERATING PRINCIPLES
Describes the theory of electrical and mechanical 
operations of the product.
CHAPTER 3.TROUBLESHOOTING
Describes the step-by-step procedures for the 
troubleshooting. 
CHAPTER 4.DISASSEMBLY / ASSEMBLY
Describes the step-by-step procedures for disassembling 
and assembling the product.
CHAPTER 5.ADJUSTMENT
Provides Epson-approved methods for adjustment.
CHAPTER 6.MAINTENANCE
Provides preventive maintenance procedures and the 
lists of Epson-approved lubricants and adhesives 
required for servicing the product.
CHAPTER 7.APPENDIX
Provides the following additional information for 
reference:
• Connector pin assignments
• Electric circuit boards components layout
• Electrical circuit boards schematics
• Exploded diagram & Parts List
Symbols Used in this Manual
Various symbols are used throughout this manual either to provide 
additional information on a specific topic or to warn of possible danger 
present during a procedure or an action. Be aware of all symbols when 
they are used, and always read NOTE, CAUTION, or WARNING 
messages.
Indicates an operating or maintenance procedure, practice 
or condition that, if not strictly observed, could result in 
injury or loss of life.
Indicates an operating or maintenance procedure, practice, 
or condition that, if not strictly observed, could result in 
damage to, or destruction of, equipment.
May indicate an operating or maintenance procedure, 
practice or condition that is necessary to accomplish a task 
efficiently. It may also provide additional information that is 
related to a specific subject, or comment on the results 
achieved through a previous action.
I.ndicates an operating or maintenance procedure, practice 
or condition that, if not strictly observed, could result in injury 
or loss of life.
Indicates that a particular task must be carried out 
according to a certain standard after disassembly and 
before re-assembly, otherwise the quality of the 
components in question may be adversely affected.
ADJUSTM ENT
REQUIRED
CAUTION
CHECK
PO INT
W ARNING