Principles of Operation
F i g u r e s
Figure 2-1.
Figure 2-2.
Figure 2-3.
Figure 2-4.
Figure 2-5.
Figure 2-6.
Figure 2-7.
Figure 2-8.
Figure 2-9.
Figure 2-10.
Figure 2-11.
Figure 2-12.
Figure 2-13.
Figure 2-14.
Figure 2-15.
Figure 2-16.
Figure 2-17
Figure 2-18
Figure 2-19
Figure 2-20
Figure 2-21.
Figure 2-22.
Figure 2-23.
Figure 2-24.
Figure 2-25.
Figure 2-26.
Figure 2-27.
Figure 2-28.
Figure 2-29.
Figure 2-30.
Figure 2-31.
Figure 2-32.
Figure 2-33.
Figure 2-34.
Figure 2-35.
Figure 2-36.
Figure 2-37.
Figure 2-38.
Figure 2-39.
Figure 2-40.
Figure 2-41.
Figure 2-42.
Figure 2-43.
Figure 2-44.
MainComponents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-5
Diagram of the Print Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-6
Paper Feeding from the Multi-purpose Tray 2-8
Paper Feeding from the Lower Cassette . . . . . . . . . . . . . . . . . . . . . ...2-9
Drurn Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-10
Laser Exposure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-11
Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-11
Engine Controller Connection Diagram . . . . . . . . . . . . . . . . . . . . 2-14
Gear and Roller Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
PC Drive Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
Developing Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
Fusing Drive Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
Feeding Drive Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
Feeding Drive (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
Main Motor Drive Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-16
Paper Take-up Sensor and Paper Exit Sensor On/Off Timing 2-17
Fuser Control Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-18
Fuser Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Scanner Motor Control Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-19
Scanner Motor Driving Start Timing . . . . . . . . . . . . . . . . . . . . . ...2-20
Laser Diode Drive Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-20
LDATA Generation Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-21
Laser Emission Power Adjustment Timing . . . . . . . . . . . . . . . . . . . 2-21
Laser Diode Error Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-22
High -Voltage Supply Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Print Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-23
Power On Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-23
Print Sequence (Start) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-24
Print Sequence (End) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-24
Fan Motor Speed Control Timing. . . . . . . . . . . . . . . . . . . . . . . . ...2-25
Fan Motor Malfunction Search Timing . . . . . . . . . . . . . . . . . . . . . . . 2-25
Power Supply Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . . ...2-25
Video Controller Block Diagram.. . . . . . . . . . . . . . . . . . . . . . . . ...2-26
C125MAIN Board Block Diagram. . . . . . . . . . . . . . . . . . . . . . . ...2-27
Data Flow Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-29
Reset Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-30
Bus Control Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-30
DRAM Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-31
Parallel Interface Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-32
RS-232C Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-32
RS-422 Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-33
LocalTalk Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-33
2-2
EPSON ActionLaser 1600 Service Manual
Содержание ActionLaser 1600
Страница 1: ...EPSON Service Manual ActionLaserTM 1600 Epson America Inc TM AL1600 ...
Страница 19: ...Printer Features Table 1 7 Built in Fonts Con t EPSON ActionLaser 1600 Service Manual 1 15 ...
Страница 58: ...Printer Features 1 54 EPSON ActionLaser 1600 Service Manual ...
Страница 62: ...Principles of Operation 2 4 EPSON ActionLaser 1600 Service Manual ...
Страница 97: ...Disassembly and Assembly EPSON ActionLaser 1600 Service Manual 3 5 ...
Страница 104: ...Disassembly and Assembly Figure 3 8 Removing the Housing 3 12 EPSON ActionLaser 1600 Service Manual ...
Страница 120: ...Disassembly and Assembly 3 28 EPSON ActionLaser 1600 Service Manual ...
Страница 122: ...Adjustments 4 2 EPSON ActionLaser 1600 Service Manual ...
Страница 141: ...Troubleshooting Table 5 38 Print Quality Anomalies cont EPSON ActionLaser 1600 Service Manual 5 17 ...
Страница 142: ...Troubleshooting Table 5 38 Print Quality Anomalies cont 5 18 EPSON ActionLaser 1600 Service Manual ...
Страница 143: ...Troubleshooting Table 5 38 Print Quality Anomalies cont EPSON ActionLaser 1600 Service Manual 5 19 ...
Страница 145: ...Maintenance 6 2 EPSON ActionLaser 1600 Service Manual ...
Страница 149: ...Maintenance Table 6 2 Cleaning Parts and Procedures 6 6 EPSON ActionLaser 1600 Service Manual ...
Страница 153: ...Appendix A A 4 Figure A 2 Cable Connections for the Engine Section EPSON ActionLaser 1600 Service Manual ...
Страница 154: ...Appendix A Table A 1 Board Connector Summary EPSON ActionLaser 1600 Service Manual A 5 ...
Страница 155: ...Appendix A Video Controller C125 MAIN Board Table A 2 CN3 Pin Assignments A 6 EPSON ActionLaser 1600 Service Manual ...
Страница 156: ...Appendix A Table A 2 CN3 Pin Assignment cont EPSON ActionLaser 1600 Service Manual A 7 ...
Страница 157: ...Appendix A Table A 2 CN3 Pin Assignments cont A 8 EPSON ActionLaser 1600 Service Manual ...
Страница 158: ...Appendix A Table A 3 CN4 Pin Assignments cont Table A 4 CN5 Pin Assignments EPSON ActionLaser 1600 Service Manual A 9 ...
Страница 159: ...Appendix A Table A 4 CN5 Pin Assignments Cont A 10 EPSON ActionLaser 1600 Service Manual ...
Страница 160: ...Appendix A Table A 5 CN6 Pin Assignments Table A 6 CN7 Pin Assignments EPSON ActionLaser 1600 Service Manual A 11 ...
Страница 162: ...Appendix A Table A 7 CN8 9 Pin Assignments cont EPSON ActionLaser 1600 Service Manual A 13 ...
Страница 167: ...Appendix A A 18 EPSON ActionLaser 1600 Service Manual ...
Страница 168: ...Appendix A Circuit Diagrams Figure A 3 C125 MAIN Board Circuit Diagram EPSON ActionLaser 1600 Service Manual A 19 ...
Страница 169: ...Appendix A A 20 EPSON ActionLaser 1600 Service Manual ...
Страница 170: ...Appendix A Figure A 4 LocalTalk I F Board Circuit Diagram EPSON ActionLaser 1600 Service Manual A 21 ...
Страница 171: ......
Страница 172: ......
Страница 173: ......
Страница 175: ...Appendix A Figure A 9 C125 MAIN Board Component Layout Rear Side EPSON ActionLaser 1600 Service Manual A 26 ...
Страница 176: ...Appendix A Exploded Diagrams Figure A 10 Exploded Diagram 1 EPSON ActionLaser 1600 Service Manual A 27 ...
Страница 177: ...Appendix A A 28 Figure A 11 Exploded Diagram 2 EPSON ActionLaser 1600 Service Manual ...
Страница 178: ...Appendix A Figure A 12 Exploded Diagram 3 EPSON ActionLaser 1600 Service Manual A 29 ...
Страница 179: ......
Страница 180: ...Appendix A Figure A 14 Exploded Diagram 5 EPSON ActionLaser 1600 Service Manual A 31 ...
Страница 181: ...Appendix A A 32 Figure A 15 Exploded Diagram 6 EPSON ActionLaser 1600 Service Manual ...