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Epson DFX-9000
Revision B
Operating Principles
Overview
57
2.1.1 Part names
Some of the part names used in the DFX-9000 differ from part names
traditionally used in Epson printers. The table below provides part name
definitions.
Table 2-1. Part name definitions
DFX-9000
Traditional
Epson
Definition
Carrier Unit
Carriage Unit
The mechanism that transports the
Printhead across the page during
printing.
SP Motor
CR Motor,
Carriage Motor
The motor that supplies force to the
SP Belt, moving the Carrier.
CR Motor
Driver
The circuit that supplies control
and power to the SP Motor.
SP Belt
CR Belt
The drive belt that moves the
Carrier.
LF Motor
LF Belt
PF Motor
PF Belt
Paper feed motor.
Paper feed drive belt.
APTC
APTC Motor
Platen gap
adjustment
mechanism
APTC: Automatic Paper Thickness
Control.
HCPP
(motor,
sensor, etc.)
Tractor select
mechanism
Host Computer-controlled Paper
Path (HCPP): The paper-path
(front/rear) switching mechanism,
controllable through the print
driver and application software.
OC Motor
The Open/Close motor moves the
rollers to clamp the paper in place
during printing, and releases the
paper during paper eject. Paper is
clamped between the Nip rollers
and DV rollers.
PR MECHA
ASY
Printer
Mechanism
The printer mechanism.
Table 2-1. Part name definitions (continued)
DFX-9000
Traditional
Epson
Definition
Summary of Contents for DFX-9000
Page 1: ...EPSONDFX 9000 Serial Impact Dot Matrix Printer SEDM04003 SERVICE MANUAL ...
Page 8: ...C H A P T E R 1 PRODUCT DESCRIPTION ...
Page 61: ...Epson DFX 9000 Revision B Product Description Dimensions and weight 54 ...
Page 62: ...C H A P T E R 2 OPERATING PRINCIPLES ...
Page 99: ...Epson DFX 9000 Revision B Operating Principles Circuit operation 92 ...
Page 100: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 104: ...Epson DFX 9000 Revision B Troubleshooting Overview 97 Mechanism initialization e e e e e ...
Page 107: ...Epson DFX 9000 Revision B Troubleshooting Overview 100 PAPER FEEDING FF APG APPROACH ...
Page 130: ...C H A P T E R 4 DISASSEMBLY AND ASSEMBLY ...
Page 218: ...C H A P T E R 5 ADJUSTMENT ...
Page 263: ...Epson DFX 9000 Revision B Adjustment Additional functions 256 ...
Page 264: ...C H A P T E R 6 MAINTENANCE ...
Page 286: ...C H A P T E R 7 APPENDIX ...
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Page 324: ...EPSON DFX 9000 Revision B Appendix Component Layout 317 7 4 Component Layout ...
Page 333: ...EPSON DFX 9000 Revision B Appendix Parts list 326 ...