Oki PT330 Manual De Instrucciones página 23

Wall Hanging Bracket (Optional)
To fix the printer to a wall, follow the procedures below:
(1) Mount two metal screws (thread diameter: Φ4, head diameter: Φ7) on the
wall, spaced 62mm apart in a horizontal line, such that the length of each
screw entering the wall is at least 10mm and the length protruding outside is
2-4mm.
62mm
Caution: In order to firmly fix the printer, mount the wall hanging
bracket onto a wooden, concrete or metal wall. It is
recommended that the wall thickness should be 10mm or
more.
Use metal screws.
The screws mounted on the wall are required to have a
pull-out strength of 150N (15.3kgf) or more.
Caution: The wall hanging bracket can be used only for printers that
use an external AC adapter (Standard Model).
2~4mm
7~9mm
More than or
equal to 10mm
22
4mm