Epson DFX-9000 Impact Printer Service Manual and Parts Catalog


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual and parts catalog Epson DFX-9000 Dot Matrix Printer contain clear instructions and procedures on how to fix the problems occurring in your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
Table of contents:

PRODUCT DESCRIPTION
Overview
Features
Basic specifications
Printing
Electrical specifications
Safety approvals
Reliability
Operating environment conditions
Paper specifications
Printable area
Interfaces
Operations
Control panel
Basic functions
SelecType functions setting
Special operations
Dimensions and weight

OPERATING PRINCIPLES
Overview
Part names
Printer mechanism
Printhead
Carrier drive mechanism
Ribbon drive mechanism
Paper feed mechanism
Automatic Paper Thickness Control (APTC) mechanism
Other mechanisms
Circuit operation
ROM board
OP board
Power supply circuit

TROUBLESHOOTING
Overview
Troubleshooting procedure
Preliminary checks
Power-on initialization sequence
Error and warning messages
Fatal errors
Troubleshooting
Test reference values
Troubleshooting based on error codes
Troubleshooting based on symptoms

DISASSEMBLY AND ASSEMBLY
Overview
Disassembly precautions
Tools and instruments
Abbreviations for small parts
Service check after repair
Main components disassembly
Major component replacement flowcharts
Covers
Electrical circuit board removal
Printer mechanism

ADJUSTMENT
Adjustment overview
Required adjustments
Tools
Adjustment program

HARDWARE ADJUSTMENT
CR drive belt (SP BELT) tension adjustment
LF drive belt tension adjustment
APTC UNIT mount position adjustment
Card guide mount position adjustment
Carriage parallelism adjustment
Nip bracket mount position adjustment

SOFTWARE ADJUSTMENT
TOF sensor sensitivity adjustment
APTC thickness detection adjustment
APTC detection position adjustment
Top margin adjustment
Left margin adjustment
Bottom margin adjustment
Bi-D adjustment
Additional functions

MAINTENANCE
Overview
Preventive maintenance
Lubrication
Lubricants
Lubrication points

Appendix
System connection diagram
Electrical system connections
Connector summary
Wiring connection diagram
Electric Circuit Diagrams
Component Layout
Exploded diagrams
Parts list

Epson DFX9000