Dell 2135cn Service Manual page 685

Chapter 3 Removal and Replacement Procedures (RRPs)
Replacement 21 PLATE ASSY DUCT (PL10.6.1)
1) Attach the PLATE ASSY DUCT to the
printer.
2) Secure the inside of the PLATE ASSY
DUCT with the one screw (silver, M4,
6mm).
3) Secure the left side of the PLATE ASSY
DUCT with the two screws (silver, M4,
6mm).
3 - 183
Version 
2008.02.01