What kind of device is on the tray that is in the bottom part?
The device is a printer.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   14
2     0            below    1
3     0            under    1
4     1               on   12
5     1           beside   14
6     1   to the left of   14
7     1  to the right of    4
8     1            above    0
9     2   to the left of   10
10    3   to the left of   16
11    3               on   14
12    4   to the left of    1
13    4   to the left of   14
14    4           beside    1
15    5  to the right of   13
16    5   to the left of   10
17    5               in   14
18    6   to the left of   10
19    6   to the left of    9
20    6  to the right of   11
21    6  to the right of    8
22    7  to the right of   16
23    7   to the left of   10
24    8               on   14
25    8   to the left of   10
26    8   to the left of    6
27    8  to the right of   11
28    9  to the right of    6
29   10           beside   14
30   10  to the right of    5
31   10  to the right of    2
32   10  to the right of    7
33   10  to the right of   16
34   10  to the right of    8
35   10  to the right of    6
36   11   to the left of    6
37   11           beside   16
38   11   to the left of    8
39   11   to the left of   16
40   12   to the left of   13
41   12   to the left of   14
42   13            under   14
43   13            below   14
44   13  to the right of   12
45   13   to the left of    5
46   14  to the right of   12
47   14  to the right of    1
48   14  to the right of    4
49   14            above   13
50   14  to the right of    0
51   15  to the right of    0
52   16   to the left of   10
53   16  to the right of    3
54   16   to the left of    7
55   16               on   14
56   16           beside    6
57   16  to the right of   11