Epson AcuLaser C1900 Service Manual page 117

EPSON AcuLaser C1900/AcuLaser C900
Table 2-15. 2-sheet Alternation Method
1. The 1st sheet of paper is loaded and the image of the
2nd page is printed.
2. The sheet is fed to the paper eject tray once and
2
immediately before the sheet leaves the paper eject
roller, the paper eject roller changes the direction of
rotation.
4
3. The 1st sheet of paper is transported into the Duplex
Unit.
4. At the same time, the 2nd sheet of paper is loaded and
the image of the 4th page is printed.
5. The 1st sheet stops once at the refeed position.
6. The 2nd sheet is fed to the paper eject tray once.
4
2
7. The image of the 1st page is printed.
8. Immediately before the 2nd sheet leaves the paper eject
roller, the paper eject roller changes the direction of
4
rotation.
9. The 2nd sheet of paper is transported into the Duplex
Unit.
1 2
Operating Principles
Function
Description of Mechanisms
Table 2-15. 2-sheet Alternation Method (continued)
10. The 1st sheet of paper is ejected.
2
11. At the same time, the 3rd sheet is loaded.
12. The 2nd sheet stops once at the refeed position.
1
4
6
13. The image of the 3rd page is printed.
14. Immediately before the 3rd sheet leaves the paper eject
6
roller, the paper eject roller changes the direction of
2
rotation.
1
15. The 3rd sheet of paper is transported into the Duplex
Unit.
3 4
16. The 2nd sheet of paper is ejected.
17. At the same time, the 4th sheet is loaded.
4
18. The 3rd sheet stops once at the refeed position.
3
2
1
6
8
Note: Steps 13 to 18 above are repeated for the subsequent sheets of paper.
Revision B
Function
117