Dell 2135cn Service Manual page 728

Chapter 3 Removal and Replacement Procedures (RRPs)
Replacement 46 COVER ASSY SIDE L (PL10.1.10)
1) Mate the six hooks of the COVER ASSY
SIDE L with the holes of the printer.
2) Shift the COVER ASSY SIDE L to rear
side, secure the front hook of the COVER
ASSY SIDE L to the printer.
3) Secure the COVER ASSY SIDE L to the
printer with the two screws (silver, tap,
8mm).
3 - 226
Version 
2008.03.31