Dell 2135cn Service Manual page 638

Chapter 3 Removal and Replacement Procedures (RRPs)
4) Remove the one screw (silver, 4mm)
that fixes the grounding terminal of the
HARN ASSY ADF (PL10.10.7) from the
ADF ASSY.
5) Disengage the connector (P/JADF1) of
the HARN ASSY ADF on the PWBA.
6) Remove the RUBBER BUSH of the
HARN ASSY ADF from the ADF ASSY.
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Version 3 2008.06.13