Dell 2135cn Service Manual page 511

Chapter 3 Removal and Replacement Procedures (RRPs)
Removal 2 Separator Roller (PL10.3.99)
1) Remove the Tray 1. (Removal 1)
2) Hold the tray and pinch the left and right
hooks of the Separator Roller (PL10.3.5).
Swing the Separator Roller to release the
two hooks.
3) Pull up the Separator Roller to remove
the Separator Roller from the Tray 1.
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Version 3 2008.06.13