611
DP-C405/C305/C265
FEB 2008Ver. 1.1
6.4.8.2. Duplex Printing Mode (Paper Switchback)
The ADU Path Switching Solenoid switches OFF, and the Lever switched to the Lower side, the paper is fed
through the Upper path, and is transported into the Three-step 2-Way Roller.
The Paper Exit path Switching Solenoid keeps OFF, and the Lever is switched to the upper side, the
paper is fed by the 2-Way roller, and is transported through the Upper path, and fed into the Paper
Transfer Unit.
The ADU Pass Sensor 0 detects the end of the paper, and the 2-Way Roller Reverse clutch goes OFF,
and the paper stops in the middle. The ADU Path Switching Solenoid goes ON, and the Lever switches
to the Upper side. Then the 2-Way Roller Clutch goes ON, and the Roller turns clockwise to feed the
paper into the ADU Unit.
While the single side printed paper is feeding into the ADU, the duplex printed paper is also fed out to the
Inner Exit Tray to attain higher productivity.
ADU Pass Sensor 0
OFF
OFF
Clutch Reverse Clutch
2-Way Roller
To Optional
Paper Transfer Unit
ADU Path
From Fuser Unit
ADU Path Switching
Solenoid
Paper Exit Path
Switching Solenoid
Paper Full Sensor
ON
OFF
Clutch Reverse Clutch
2-Way Roller
To Optional
Paper Transfer Unit
ADU Path
From Fuser Unit
ADU Path Switching
Solenoid
Paper Exit Path
Switching Solenoid
Paper Full Sensor
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