Epson EPL-N4000 - Default Chapter; About this Manual; Symbols Used in this Manual

About This Manual
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPL-N4000/N4000+.
The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be
g
iven to the precautions
on the precedin
g
pa
g
e.
Contents
This manual consists of six chapters and Appendix.
CHAPTER 1. PRODUCT DESCRIPTIONS
Provides a
g
eneral overview and specifications of the
product.
CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of electrical and mechanical
operations of the product.
CHAPTER 3. TROUBLESHOOTING
Provides the step-by-step procedures for the
troubleshootin
g
.
CHAPTER 4. DISASSEMBLY AND ASSEMBLY
Describes the step-by-step procedures for
disassemblin
g
and assemblin
g
the product.
CHAPTER 5. ADJUSTMENTS
Provides Epson-approved methods for adjustment.
CHAPTER 6. MAINTENANCE
Provides preventive maintenance procedures and the
lists of Epson-approved lubricants and adhesives
required for servicin
g
the product.
APPENDIX
Provides the followin
g
additional information for
reference:
• Connector pin assi
g
nments
• Electric circuit boards components layout
• Exploded dia
g
ram
• Electrical circuit boards schematics
Symbols Used in This Manual
Various symbols are used throu
g
hout this manual either to provide
additional information on a specific topic or to warn of possible dan
g
er
present durin
g
a procedure or an action. Be aware of all symbols when
they are used, and always read WARNING, CAUTION or NOTE
messa
g
es.
Indicates an operatin
g
or maintenance procedure, practice
or condition that, if not strictly observed, could result in injury
or loss of life.
Indicates an operatin
g
or maintenance procedure, practice,
or condition that, if not strictly observed, could result in
dama
g
e to, or destruction of, equipment.
May indicate an operatin
g
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 throu
g
h a previous action.
CAUTION
CHECK
POINT