Epson DFX 9000
Revision B
Disassembly and Assembly
APTC UNIT
169
4.2.4.13 APTC 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 the APTC UNIT cable from the three cable clamps on the
bottom rear of the PR MECHA ASY.
4. Disconnect the APTC UNIT cable from the SENSOR BOARD
UNIT (CNAPTCS: 4 pins), and pull the APTC UNIT cable out
through the hole in the SIDE FRAME, LEFT.
5. Slide the Slide Cam located on the SIDE FRAME, LEFT toward the
Front Tractor.
6. Release the APTC UNIT cable from the cable retainer on the HCPP
SENSOR UNIT and the cable clamp on the SIDE FRAME, LEFT.
7. Remove the two C.B.S. 3 × 6 screws that secure the APTC UNIT to
the SIDE FRAME, LEFT, and remove the APTC UNIT.
Figure 4-48. APTC UNIT Removal
When installing the APTC UNIT, match the positioning
holes of the APTC UNIT with the dowels on the SIDE
FRAME, LEFT.
A D J U S T M E N T
R E Q U I R E D
After removing the APTC UNIT, be sure to perform the
following maintenance and adjustments.
1. Lubrication on the gear shafts.
Figure 6-11. Lubrication Point 11 (p.267)
2.
LF Drive Belt Tension Adjustment (p. 222)
3.
APTC thickness detection adjustment (p. 238)
4.
APTC detection position adjustment (p. 241)
SENSOR BOARD UNIT
APTC UNIT
4)-1 CNAPTCS
7)-1
7)-1
Dowel
tabs
Dowel
6)-1
7)-2
Fron
t Tra
ctor
5)
[Front]
[Rear]
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 ...