Epson RC620 CU Manual page 216

Maintenance 6. Maintenance Parts Replacement Procedures
HDD (1) Mount the new HDD to the HDD fittings. (4 flat head screws)
Installation
(2) Mount the HDD fittings on the Controller and secure using 2 screws.
(3) Connect the cables to HDD.
Make sure to check the label indication on the cables and connect them to HDD
NOTE

correctly.
Route the cables carefully. If you add extra stress on the cables, it may cause the
connection failure.
Power cable is for both HDD1 and 2.
(4) Mount the front panel.
200 RC620 Rev.8