List Of Figures - Epson 4003353 Service Manual

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Fail Absorbing Timer (Black,
2.4.2.4
Ink Level Counter R (On the RAM)
2.4.2.5
(Monochrome = Rb, CMY = Ry) . . . . . . . . . . . . . . . . . . . . .. ..2-31
CL Counter K (Monochrome = Kb, CMY = Ky) . . . . . . . . . . . . . 2-32
2.4.2.6
2.4.2.7 CL2 Counter KK (Monochrome = KKb, CMY = KKy). . . . . . . . . 2-32
Protect Counter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
2.4.2.8
Figure 2-1. Printer Mechanism Block . . . . . . . . . . . . . . . . . . . . . ...........2-1
Figure 2-2. Structure of Printhead. . . . . . . . . . . . . . . . . . . . . . .............2-2
Figure 2-3. Principles of the Printing Operation. . . . . . . . . . . . . . . . . . . . . .. ..2-3
Figure 2-4. Microwave Mode Operation . . . . . . . . . . . . . . . . . . . . . ........2-4
Figure 2-5. Carriage Drive Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Figure 2-6. Platen Gap Lever Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Figure
Paper Feed Mechanism . . . . . . . . . . . . . . . . . . . . . ............2-7
2-7.
Figure 2-8. Ink System Block . . . . . . . . . . . . . . . . . . . . . .................2-8
Figure 2-9. Pump Mechanism Block. . . . . . . . . . . . . . . . . . . . . . ...........2-9
Figure 2-10. Switch Lever Set. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 f~l
Figure 2-11. Paper Feed Mechanism Block . . . . . . . . . . . . . . . . . . . . . . . . . . 2-
Figure 2-12. Switch Lever Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Figure 2-13. Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Figure 2-14. Cap Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Figure 2-15. Wiping Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Figure 2-16. Block Diagram of the Electrical Circuit . . . . . . . . . . . . . . . . . . . .
Figure 2-17. Power Supply Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . . .
Figure 2-18. Main Control Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . . . 2-15
Figure 2-19. Reset Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Figure 2-20. Sensor Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Figure 2-21. Carriage Motor Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . .
Figure 2-22. Serial Data Transfer Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Figure 2-23. Paper Feed Motor Drive Circuit Diagram . . . . . . . . . . . . . . . . . . 2-19
Figure 2-24. Trapezoidal Drive Wave Form. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Figure 2-25. Printhead Drive Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . 2-20
Figure 2-26. DMA Controller Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 -.
Figure 2-27. D-RAM Cycle Timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Figure 2-28. Junction Method (CPU-DRAM). . . . . . . . . . . . . . . . . . . . . .. ...2-22
Figure 2-29. Relation of Ink System & Carriage Operation. . . . . . . . . . . . . . . 2-23
Figure 2-30. Power On Operation Classification. . . . . . . . . . . . . . . . . . . . . . . 2-24
Figure 2-31. Power Off Operation Classification. . . . . . . . . . . . . . . . . . . . . . . 2-26
Figure 2-32. Ink Cartridge Replacement Classification . . . . . . . . . . . . . . . . . . 2-28
Table 2-1. Carriage Drive Motor Specifications. . . . . . . . . . . . . . . . . . . . . .. ..2-5
Table
Drive Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .2-5
2-2.
Table
Platen Gap Adjust Lever Position. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2-3.
Table 2-4. Paper Feed Drive Motor Specification . . . . . . . . . . . . . . . . . . . . .. .2-6
Table 2-5. Drive Terms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-7
Table 2-6. Pump Mechanism Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Table 2-7. DC
Voltage Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Table 2-8. Serial Data contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....2-17
Feed Motor Drive Modes. . . . . . . . . . . . . . . . . . . . . . .....2-19
Table 2-9. Paper
Table 2-10. Junction Method (CPU-2CAS DRAM) . . . . . . . . . . . . . . . . . . . . .2-22
2-ii

List of Figures

List of Tables
'-=
IO
2-13
2-14
2-17
~.-
Rev. A

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