Oki Data CONFIDENTIAL
42930511TH Rev. 2 40 /
a
b
Roller (1)
Solenoid
Separator
Double-sided
entrance sensor
Motor A
Roller (3)
Roller (2)
Roller (4)
Roller (5)
Motor B
(7) Double-Side Printer Unit
1. When the double-side Printer Unit receives double-side print instructions, the sepa-
rator is opened by the solenoid after one side of the paper fed from the tray is
completely printed, then the path is switched to the double-side printer unit.
At this time, roller (1) turns in the direction of arrow (a), therefore, the paper is
retracted to the undersurface of a double-side printer unit.
2. Further, when the tip of the paper passes through the double-side printer entrance
sensor after a certain period of time, the roller starts a reverse rotation. Roller (1)
turns in the direction of arrow (b), then sends the paper inside the double-side printer
unit. After that, it passes through roller (2), (3), (4) and (5), prints the other side of
the paper, then discharges the paper, and re-feeds it back to the unit.
Figure 2-11
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