Epson 3865X Plus - Manual (Page 234)

2. As you lower the drive onto the subassembly, guide the long
end of the cable underneath the drive and curl up the short
end behind it. (If you just installed a hard disk drive in the
lower horizontal drive bay, the short end of the cable leads
to that drive.)
tabs
As shown above, fit the tabs on the mounting plate into the
slots on the side of the subassembly. Then tilt the drive
toward the subassembly and align the retaining screw hole
on the mounting plate with the hole in the bracket.
3. Secure the drive to the bracket with the retaining screw.
4. To replace the subassembly, see “Replacing the
Subassembly,” on page B-47.
Installing and Removing Disk Drives B-43