Engine Operation - Epson C11C605001 - DFX 9000 B/W Dot-matrix Printer Service Manual

Service Manual

2.1 ENGINE OPERATION

This section describes the function and operating principles of the EPL-9000. Figure 2-1 shows the
location and names of the main components for the engine.
2 ,
1. Pickup roller
2. Pickup solenoid (SL1)
3. MSI sensor (PC2)
4. Trans. chute assembly
5. BIAS transfer roll
6. Chute fan (M3)
7. Fuser assembly
8. Pressure roller
9. Heat roller
10. Exit sensor (PC3)
11. Thermistor (THl)
12. Interlock switch
13. Erase lamp assembly
14. Fan (M4)
Rev. A
8 9
24 22
15. Raster output scanner
16. CRU SENSOR PWB
17. Main motor (Ml)
18. Paper cassette
19. Paper size switch (SW4)
20. Paper-out sensor (PC1)
21. Toner sensor
22. Feed solenoid
23. Feed roller
24. Turn roller
25. Turn solenoid
26. REGI. sensor
27. Pitch roller
28. Multi-sheet inserter
Figure 2-1. Main Components
Operating Principles
2-1