HP Model 712/100 - Workstation Handbook page 118

Remove the drive's components in the following order until you've removed the
desired FRU:
1. Remove the cover.
Push the locking latch to the side, slide the cover forward about an inch, and lift
off (see Figure 5–28).
Figure 6–28. Removing the Cover (C1530B/C2954A Tape Drive)
2. Lift out the top HP PAC.
3. Remove the drive.
Lift the rear of the drive slightly and disconnect the power and SCSI cables.
Lift the drive from the chassis.
NOTICE: When replacing the drive, make sure the jumpers are
set to the correct SCSI ID, as described in Chapter 3.
5–42 Field Replaceable Units