Epson AcuLaser C2900N Service Manual page 468

Chapter 3 Removal and Replacement Procedures Revision B
4) Route the harness and SWITCH
POWER of the SWITCH ASSY INLET MG
SFP through the hole of the printer.
Note: When replacing the SWITCH
ASSY INLET MG SFP, match the
ON/OFF mark of the SWITCH POWER
with the mark on the BRACKET SW.
5) Attach the SWITCH POWER of the
SWITCH ASSY INLET MG SFP to the
BRACKET SW, and secure it with the
hooks.
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Epson AcuLaser C2900N