Epson AcuLaser C4000 - Page 238

228 Using Options
6. Align the three screw holes on the Hard Disk Drive with the
screw holes on the circuit board. Secure it by tightening the
three screws provided.
Note:
Be careful not to damage the cable when tightening the screws.
c
Caution:
Do not remove any modules from the circuit board.
Otherwise, the printer will not work.