Epson TX109 User Manual
Confidential
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.
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
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.
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.
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.
approved lubricants and adhesives required for servicing the product.
APPENDIX Provides the following additional information for reference:
• Exploded Diagram
• Parts List
• 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.
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 is necessary to keep the product’s quality.
that is necessary to keep the product’s quality.
Indicates an operating or maintenance procedure, practice, or condition
that, if not strictly observed, could result in damage to, or destruction of,
equipment.
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.
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.
Indicates an operating or maintenance procedure, practice or condition
that, if not strictly observed, could result in injury or loss of life.
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.
standard after disassembly and before re-assembly, otherwise the
quality of the components in question may be adversely affected.
A D J U S T M E N T
R E Q U I R E D
C A U T I O N
C H E C K
P O I N T
W A R N I N G