Epson DFX 9000
Revision B
Disassembly and Assembly
Sensors
204
OC SENSOR BR UNIT
1. Remove the
UPPER UNIT (p. 135)
2. Tilt up the rear of the PR MECHA ASY and support it using the tilt
bar.
Refer to section 4.2.4.1 PR MECHA ASY, p. 149.
3. Release both the OC sensor 1 and OC sensor 2 cables from the two
cable clamps on the bottom rear of the printer.
4. Disconnect both the OC sensor 1 (CNOCS1: 3 Pin, Black) and OC
sensor 2 (CNOCS2: 3 Pin, Blue) cables from the connectors on the
SENSOR BOARD UNIT, and pull both cables outside the printer
mechanism through the lower hole in the SIDE FRAME, LEFT.
5. Release both cables from the cable clamp on the SIDE FRAME,
LEFT.
6. Remove the C.B.S. 3 × 6 screw that secures the OC SENSOR BR
UNIT, and remove it.
Figure 4-88. OC SENSOR BR UNIT 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.
Do not touch the motors immediately after using the
printer, or you may burn your hand. Allow the motors
to cool enough to work with them.
Be sure to connect the OC sensor 1 (Black connector)
and OC sensor 2 (Blue connector) cables to their
correct connectors on the SENSOR BOARD UNIT.
When installing the OC SENSOR BR UNIT, match the
positioning holes of the OC SENSOR BR UNIT with
the positioning dowels on the side frame.
3)
4)-2
4)-1
OC sensor 1
(Black
Connector)
5)
6)-1
OC SENSOR
BR UNIT
Reassembly
Dowels
CNOCS1
CNOCS2
[Front]
[Rear]
SENSOR BOARD UNIT
OC sensor 2
(Blue
Connector)
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 ...