HP 20/700 - Manual (Page 157)

156 HP Ultrium Drives and Tape Cartridges Appendix A
To ensure successful operation of your tape library, place the bar code label
entirely within this area, ensuring that no part of the label is outside of the
recessed area ( Figure 45 on page 156).
Figure 45 Proper Ultrium Label Position
Note You can order additional bar code labels if needed. For bar
code ordering information, see Ordering Tape Cartridges
on page 193 as well as the information that came with your
tape library.