Dell 2130cn Service Manual page 626

Chapter 3 Removal and Replacement Procedures (RRPs)
4) Mate the five bosses of the printer with
the holes of the SHIELD ASSY ESS,
secure it with the eleven screws (silver,
6mm).
5) Insert the lower tab of the PLATE ESS
into the slit of the SHIELD ASSY ESS,
after inserting the upper tab of the PLATE
ESS into the slit of the SHIELD ASSY
ESS.
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