Epson AcuLaser C2900N Service Manual page 486

Chapter 3 Removal and Replacement Procedures Revision B
3) Attach the GEAR ROLL DUP to the
ROLLER ASSY DUP, mate the hook of
the GEAR ROLL DUP with the groove of
the FEEDER ASSY DUP SFP STD.
4) Attach the DRIVE ASSY DUP to the
FEEDER ASSY DUP SFP STD, secure
the DRIVE ASSY DUP with the four
screws (silver, tap, 8mm).
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Epson AcuLaser C2900N