Epson DFX 9000
Revision B
Disassembly and Assembly
PSU1 CABLE
145
4.2.3.6 PSU1 CABLE
1. Remove the
PR MECHA ASY (p. 149)
.
2. Disconnect the three connectors (CNPW: 12 pins, CNPW: 8 pins,
CNLOGPW: 4 pins) on the ROM BOARD and POWER UNIT, and
remove the PSU1 CABLE.
3. Open the ferrite core at its partition point, and remove it from the
PSU1 CABLE.
Figure 4-19. PSU1 CABLE Removal
W A R N I N G
Disconnect the power cable and wait at least 5 minutes for
capacitors to drain before disassembling the POWER
UNIT. If you touch the POWER UNIT with the power
supplied, you may receive an electric shock.
C A U T I O N
Handle the SU1 Cable with care. It has a ferrite core
attached for electromagnetic interference prevention.
PSU1 CABLE
2)
POWER
UNIT
Side
ROM
BOARD
Side
3)
Содержание DFX-9000
Страница 1: ...EPSONDFX 9000 Serial Impact Dot Matrix Printer SEDM04003 SERVICE MANUAL ...
Страница 8: ...C H A P T E R 1 PRODUCT DESCRIPTION ...
Страница 61: ...Epson DFX 9000 Revision B Product Description Dimensions and weight 54 ...
Страница 62: ...C H A P T E R 2 OPERATING PRINCIPLES ...
Страница 99: ...Epson DFX 9000 Revision B Operating Principles Circuit operation 92 ...
Страница 100: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 103: ...Epson DFX 9000 Revision B Troubleshooting Overview 96 3 1 3 Power on initialization sequence Main ...
Страница 104: ...Epson DFX 9000 Revision B Troubleshooting Overview 97 Mechanism initialization e e e e e ...
Страница 107: ...Epson DFX 9000 Revision B Troubleshooting Overview 100 PAPER FEEDING FF APG APPROACH ...
Страница 130: ...C H A P T E R 4 DISASSEMBLY AND ASSEMBLY ...
Страница 217: ...Epson DFX 9000 Revision B Disassembly and Assembly PULL TRACTOR UNIT L PULL TRACTOR UNIT R 210 ...
Страница 218: ...C H A P T E R 5 ADJUSTMENT ...
Страница 263: ...Epson DFX 9000 Revision B Adjustment Additional functions 256 ...
Страница 264: ...C H A P T E R 6 MAINTENANCE ...
Страница 286: ...C H A P T E R 7 APPENDIX ...
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Страница 324: ...EPSON DFX 9000 Revision B Appendix Component Layout 317 7 4 Component Layout ...
Страница 333: ...EPSON DFX 9000 Revision B Appendix Parts list 326 ...