Epson AcuLaser C1900, Service Manual

Page: 117 / 270

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