Chapter 2 Operating Principles
Table of Contents
PRINTER MECHANISM OPERATING PRINCIPLES 2-3
Printing Operation Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Printer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Carriage Drive Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Paper Feed Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Auto Sheet Feeder Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Push Tractor Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Manual Feed Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Platen Gap Adjust Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Ink System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Pump Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Cap Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Wiping Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
ELECTRICAL CIRCUIT OPERATING PRINCIPLES 2-16
Power Supply Circuit Operating Principles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Main Control Circuit Operating Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Reset Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Sensor Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Carriage Motor Driver Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Paper Feed Motor Driver Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Printhead Driver Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
Black Printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Color Printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Normal Dot/EPSON Micro Dot Printing Modes . . . . . . . . . . . . . . . . . . . . 2-26
INK SYSTEM MANAGEMENT 2-27
Ink Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
List of Figures
Figure 2-1. Black Printhead Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Figure 2-2. Color Printhead Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Figure 2-3. Printing Operation States. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Figure 2-4. Printer Mechanism Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Figure 2-5. Carriage Movement Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Figure 2-6. Paper Feed Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Figure 2-7. ASF Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Figure 2-8. Tractor Paper Advance Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Figure 2-9. Platen Gap Adjust Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Figure 2-10. Ink System Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Figure 2-11. Release Cam Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Figure 2-12. Pump Mechanism Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Figure 2-13. Release Cam Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Figure 2-14. Paper Feed Mechanism Function . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
EPSON Stylus 1500 Service Manual 2-1
Содержание Stylus 1500
Страница 1: ...EPSON AMERICA INC Stylus 1500 EPSON Service Manual TM STYLUS15 ...
Страница 2: ...EPSON Stylus 1500 Service Manual Revision Date 1st Printing 1 25 96 ...
Страница 3: ...ii EPSON Stylus 1500 Service Manual ...
Страница 105: ...Adjustments 4 2 EPSON Stylus 1500 Service Manual ...
Страница 132: ...Troubleshooting 5 2 EPSON Stylus 1500 Service Manual ...
Страница 149: ...Maintenance 6 2 EPSON Stylus 1500 Service Manual ...
Страница 156: ...Appendix A 2 EPSON Stylus 1500 Service Manual ...
Страница 165: ...CIRCUIT DIAGRAMS Figure A 2 C172 MAIN Board Circuit Diagram 1 Appendix EPSON Stylus 1500 Service Manual A 11 ...
Страница 166: ...Appendix A 12 EPSON Stylus 1500 Service Manual ...
Страница 167: ...Figure A 3 C172 MAIN Board Circuit Diagram 2 Appendix EPSON Stylus 1500 Service Manual A 13 ...
Страница 168: ...Appendix A 14 EPSON Stylus 1500 Service Manual ...
Страница 172: ...Figure A 7 C172 MAIN Board Component Layout Appendix A 18 EPSON Stylus 1500 Service Manual ...
Страница 174: ...Figure A 9 C172 PNL Board Component Layout Appendix A 20 EPSON Stylus 1500 Service Manual ...
Страница 175: ...Figure A 10 Stylus 1500 Exploded Diagram 1 Appendix EPSON Stylus 1500 Service Manual A 21 ...
Страница 176: ...EXPLODED DIAGRAMS Figure A 11 Stylus 1500 Exploded Diagram 2 Appendix A 22 EPSON Stylus 1500 Service Manual ...
Страница 177: ...577 600 Figure A 12 Stylus 1500 Exploded Diagram 3 Appendix EPSON Stylus 1500 Service Manual A 23 ...
Страница 178: ...Appendix A 24 EPSON Stylus 1500 Service Manual ...