Epson Endeavor 468C - Manual (Page 120)

Attaching Mounting Frames to a Hard Disk
To attach mounting frames to a hard disk drive, follow these
steps:
1. Locate the two mounting frames and four screws that came
with the drive.
2. As shown below, place a mounting frame on top of one side
of the drive and align it so that the holes in the drive are
approximately in the middle of the oval holes in the frame.
Then secure the mounting frame to the drive with the two
screws.
3. Repeat step 2 to attach a mounting frame to the other side of
the drive.
Installing and Removing Drives 5-17