Dell 2135cn Service Manual page 567

Chapter 3 Removal and Replacement Procedures (RRPs)
14) Remove the one screw (silver, M4,
6mm) and the five screws (silver, tap,
8mm) that fix the DRIVE ASSY MAIN
(PL7.1.2) to the printer.
15) Remove the DRIVE ASSY MAIN from
the printer.
3 - 65
Version 1 2008.02.01