Epson Stylus 1500 - Page 43

Figure 2-15. Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Figure 2-16. Cap Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Figure 2-17. Wiping Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Figure 2-18. Electrical Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Figure 2-19. Power Supply Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Figure 2-20. Main Control Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . . . . 2-18
Figure 2-21. Reset Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Figure 2-22. Sensor Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Figure 2-23. Sensing Ink Out and Ink Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Figure 2-24. Carriage Motor Driver Circuit Block Diagram . . . . . . . . . . . . . . . . 2-21
Figure 2-25. Paper Feed Motor Driver Circuit Block Diagram . . . . . . . . . . . . . 2-22
Figure 2-26. Printhead Driver Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . 2-23
Figure 2-27. Normal Dot Data Transmission Timing. . . . . . . . . . . . . . . . . . . . . 2-24
Figure 2-28. Color Upgrade Kit Connector Pin Alignment . . . . . . . . . . . . . . . . 2-25
Figure 2-29. Color Data Transmission Timing . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Figure 2-30. EPSON Micro Dot Printing Driver Waveform . . . . . . . . . . . . . . . . 2-26
List of Tables
Table 2-1. Carriage Motor Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Table 2-2. Drive Terms (Carriage Drive Mechanism) . . . . . . . . . . . . . . . . . . . . 2-6
Table 2-3. Paper Feed Motor Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Table 2-4. Drive Terms (Paper Feed Drive Mechanism) . . . . . . . . . . . . . . . . . . 2-7
Table 2-5. Platen Gap Adjust Lever Positions . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Table 2-6. Pump Mechanism Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Table 2-7. DC Voltage Distribution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2-2 Rev. A