The intermediate shaft in the Multi-Sheet Tray is driven by the drive roller through a gear train inside the
Right Gear module. The intermediate shaft meshes with the Multi-Sheet Tray gear interface (red gear in
the picture) at the end of the train. A swing arm engages the gear train when the Drive Roller is driven
backwards (as shown in the picture), driving the intermediate shaft forwards. When the Drive Roller is
driven forwards, the swing arm disengages from the gear train and the intermediate shaft is not driven.
This action is to prevent reverse paper movement to be transmitted to the Multi-Sheet Tray.
28 Chapter 1 Printer fundamentals ENWW
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