Dell 2130cn Service Manual page 564

Chapter 3 Removal and Replacement Procedures (RRPs)
20) Remove the two screws (silver, 6mm)
that fix the BRACKET MCU R (PL8.2.15)
to the printer.
21) Remove the BRACKET MCU R from
the printer.
22) Remove the two screws (silver, tap,
8mm) that fix the front side of the printer
frame.
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