Dell 2135cn Service Manual page 669

Chapter 3 Removal and Replacement Procedures (RRPs)
4) Route the harness of the printer through
the hooks of the TRANSFER ASSY.
5) Engage the connector (P/J281) of the
TRANSFER ASSY, secure the relay
connector with the pegs of the TRANSFER
ASSY.
6) Mate the tab of the COVER HARNESS
2 with the notch of the TRANSFER ASSY,
attach the COVER HARNESS 2.
Go to the next replacement step:
Replacement 14 COVER ASSY FRONT (PL10.2.1)
3 - 167
Version 
2008.02.01