Epson FX 1170 Service Manual - Page 43

List Of S, List Of Tables, Ftgure - ribbon gear

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REV.-A LIST OF FIGURES Figure 2-l. Howthe Printhead Works 2-2 Figure 2-2. Carriage Operation f 2-3 Figure 2-3. Platen Gap Adjust Lever 2. .-4 Figure 2-4. Friction Advance Operation UsingtheTop Paper Entrance ...........2-6 Figure 2-5. Push Tractor Operation Using the Rear Paper Entrance 2-7 Figure 2-6. Push Tractor Operation Using the Front Paper Entrance 2-8 Figure 2-7. Pull Tractor Operation Using the Bottom Paper Entrance 2-9 Figure 2-8. Push-Pull Tractor Operation Using the Rear Paper Entrance........2-lO Figure 2-9. Push-pull Tractor Operation Using the Front Paper Entrance ......2-11 Figure 2-10. Release Lever 2. .-.12 Figure 2-11. Release Lever Setting Function 2. .-12 Figure 2-12. Paper Path for Friction Feeding Using the Top Entrance 2-13 Figure 2-13. Paper Path for Push Tractor FeedingUskg the Rear EntTence............2-l4 Ftgure 2-14. Paper Path for Pull Tractor Feeding Using the Rear Entrance ....2-14 figure 2-15. Paper Path for push-pull Tractor Feeding Using the Rear Entrance .....2-15 Figure 2-16. Paper Path for Pull Tractor Feeding Using the Bottom Entrance .........2-15 Figure 2-17. Paper Path for Friction Feeding Using the Front Entrance..........2-l6 Figure 2-18. Paper Path for Push Tractor l%eding Ueingthe Front En&ance ..........2-16 figure 2-19. Paper Path for Pull Tractor Feeding Using the Front Entrance ...2-17 Figure 2-20. Paper Path for Push-pull Tractor Feeding Using the FronEtntrence....2-l7 Figure 2-21. Ribbon Advance Mechanism 2. .-18 Figure 2-22. Power Supply Circuit Block Diagram 2. .-21 Figure 2-23. Control Circuit Block Diagram 2. .-22 figure 2-24. Data flow 2. -23 figure 2-25. Power On Reset Circuit 2. . -. 25 figure 2-26. Sensor Circuit Block Diagram 2. .-26 Figure 2-27. Carriage Motor Drive Circuit 2. .-27 Figure 2-28. Paper Feed Motor Drive Circuit 2. .-28 Figure 2-29. Printhead Drive Circuit 2. -29 Figure 2-30. Parallel Interface Circuit 2. .-29 Figure 2-31. E2PROM Control Circuit 2. .-30 LIST OF TABLES Table 2-1. Paper Feed Methods and Paper Entrances 2-5 Table 2-2. Ribbon Advance Gear Linkage 2. .-18 Table 2-3. Power Supply Input Voltages and Fuse Ratings 2. -19 Table 2-4. Power Supply Output Voltages and Applications 2-19 Table 2-5. Functions of Main Components of C094 MAIN 2-24 Table 2-6. Carriage Motor Drive Modes 2.27 . c'.'% . . % ...4 Z.ii

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REV.-A
LIST OF FIGURES
.
c’
.’%
.
Figure 2-l. Howthe
Printhead
Works
.~.--
........
-..-..
............................
2-2
Figure 2-2. Carriage Operation . . . . . . . . . . . . . . . . . . .
.
--~...f~~.~~..~.~~.-.----~~..-
2-3
Figure 2-3. Platen Gap Adjust Lever
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4
Figure 2-4. Friction Advance Operation UsingtheTop Paper Entrance
...........
2-6
Figure 2-5. Push Tractor Operation Using the Rear Paper Entrance
.................
2-7
Figure 2-6. Push Tractor Operation Using the Front Paper Entrance
................
2-8
Figure 2-7. Pull Tractor Operation Using the Bottom Paper Entrance
..............
2-9
Figure 2-8. Push-Pull Tractor Operation Using the Rear Paper Entrance
........
2-lO
Figure 2-9. Push-pull Tractor Operation Using the Front Paper Entrance
......
2-11
Figure 2-10. Release Lever
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-12
Figure 2-11. Release Lever Setting Function
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-12
Figure 2-12. Paper Path for Friction Feeding Using the Top Entrance
............
2-13
Figure 2-13. Paper Path for Push Tractor Feeding
Uskg
the Rear
EntTence
............
2-l4
Ftgure
2-14. Paper Path for Pull Tractor Feeding Using the Rear Entrance
....
2-14
figure
2-15. Paper Path for push-pull Tractor Feeding Using the Rear Entrance
.....
2-15
Figure 2-16. Paper Path for Pull Tractor Feeding Using the Bottom Entrance
.........
2-15
Figure 2-17. Paper Path for Friction Feeding Using the Front Entrance
..........
2-l6
Figure 2-18. Paper Path for Push Tractor
l%eding
Ueingthe
Front
En&ance
..........
2-16
figure
2-19. Paper Path for Pull Tractor Feeding Using the Front Entrance ...2-17
Figure 2-20. Paper Path for Push-pull Tractor Feeding Using the Front
Entrence
....
2-l7
Figure 2-21. Ribbon Advance Mechanism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-18
Figure 2-22. Power Supply Circuit Block Diagram
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-21
Figure 2-23. Control Circuit Block Diagram
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-22
figure
2-24. Data flow
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2-23
figure
2-25. Power On Reset Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-25
figure
2-26. Sensor Circuit Block Diagram
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-26
Figure 2-27. Carriage Motor Drive Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-27
Figure 2-28. Paper Feed Motor Drive Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-28
Figure 2-29.
Printhead
Drive Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2-29
Figure 2-30. Parallel Interface Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-29
Figure 2-31. E
2
PROM Control Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-30
LIST OF TABLES
.
%
...4
Table 2-1. Paper Feed Methods and Paper Entrances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
2-5
Table 2-2. Ribbon Advance Gear Linkage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-18
Table 2-3. Power Supply Input Voltages and Fuse Ratings
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-19
Table 2-4. Power Supply Output Voltages and Applications
...........................
2-19
Table 2-5. Functions of Main Components of C094 MAIN
................................
2-24
Table 2-6. Carriage Motor Drive Modes
.............................................................
2.27
Z.ii