Epson AcuLaser C2900N Service Manual page 365

Chapter 3 Removal and Replacement Procedures Revision B
15) Release the hook of the GUIDE
HARNESS AC (PL8.2.6), remove the
GUIDE HARNESS AC from the printer.
16) Release the harness of the HARN
ASSY OPTION (PL3.1.20) from the clamp
on the BRACKET MCU R (PL8.2.15).
17) Remove the two screws (silver, 6mm)
that fix the BRACKET MCU R to the
printer.
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Epson AcuLaser C2900N