LQ-670 Service Manual
Rev. A
3-16
3.2.12 Carriage Assy. Removal
1. Remove the Printer Mechanism (See Section 3.2.2)
2. Remove [TENSION SPRING, 14.5] attached at the top right of the Printer Mechanism, to
loosen the timing belt.
3. Remove [CAP, LEVER] and [HOLDER, ADJUST, LEVER].
4. Remove an hexagonal nut which fixing the adjust lever to the carriage guide shaft, and
remove the adjust lever.
5. Take out the head FFC from the cable holder at the bottom of the Printer Mechanism.
6. Remove [HOLDER, CABLE, UPPER] from [FRAME, CR], by slightly slide it to right while
unhooking a locking tab.
7. Remove two screws (CBS/M3x6) fixing [GUIDE, CR] at both ends and remove it.
8. Remove [LEVER, PULLEY, DRIVEN], [SHAFT, LEVER, PULLEY, DRIVEN] and the
driven pulley.
9. Remove [BUSH, PARALLELISM] by rotating it to match the tabs and a hole of the frame.
10. Remove [CR GUIDE SHAFT] together with the carriage ASSY. and remove the [CR
GUIDE SHAFT] from the carriage ASSY.
Be careful not to lose the oil pad and a pressure spring in the carriage ASSY., as it
can easily come off when removing [CR GUIDE SHAFT].
Remove the printhead, before reinstalling the oil pad and a pressure spring into the
carriage ASSY.
When attaching the timing belt to the carriage ASSY., be sure to attach it as shown
in figure below.
Platen-Gap Adjustment (See Section 4 Adjustment)
Bi-D Alignment Adjustment (See Section 4 Adjustment)
CAUTION
CHECK POINT
REQUIRED ADJUSTMENT
Содержание LQ 670 - B/W Dot-matrix Printer
Страница 1: ...EPSON IMPACT DOT MATRIX PRINTER EPSON LQ 670 SERVICE MANUAL SEIKO EPSON CORPORATION 4007875 ...
Страница 5: ...v REVISION SHEET Revision Issued Data Contents Rev A May 28 1997 First issue ...
Страница 114: ...Chapter 6 Maintenance 6 1 Preventive Maintenance 6 1 ...
Страница 116: ...LQ 670 Service Manual Rev A 6 2 Figure 6 1 Lubrication Points ...
Страница 122: ...LQ 670 Service Manual Rev A A 5 A 2 Circuit Diagram Figure A 2 C214Main Board Circuit Diagram ...
Страница 123: ...Appendix Rev A A 6 Heat Sink Q1 D51 Figure A 3 C214PSB Board Circuit Diagram ...
Страница 124: ...LQ 670 Service Manual Rev A A 7 Heat Sink Q1 D51 Figure A 4 C214PSE Board Circuit Diagram ...
Страница 125: ...Appendix Rev A A 8 A 3 Component Layout Figure A 5 C214 Main Board Component Layout ...
Страница 126: ...LQ 670 Service Manual Rev A A 9 Figure A 6 C214 PSB Board Component Layout Figure A 7 C214 PSE Board Component Layout ...
Страница 127: ...Appendix Rev A A 10 A 4 Exploded Diagram Figure A 8 Exploded Diagram ...
Страница 128: ...LQ 670 Service Manual Rev A A 11 Figure A 9 Exploded Diagram ...
Страница 129: ...Appendix Rev A A 12 Figure A 10 Exploded Diagram ...
Страница 135: ...EPSON SEIKO EPSON CORPORATION ...