Are there any printers in the photo that are black?
Yes, there is a printer that is black.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    2
2     1  to the right of    8
3     1  to the right of   13
4     1  to the right of    5
..  ...              ...  ...
79   18  to the right of   15
80   19  to the right of    6
81   19  to the right of    2
82   19  to the right of    5
83   20   to the left of    8

[84 rows x 3 columns]