The ornamental design for an icon or label for display on cartridges for office equipment or electronic displays, as shown and described.
FIG. 1 is a front view of an icon or label for display on cartridges for office equipment or electronic displays;
FIG. 2 is a front view of a second embodiment thereof; and,
FIG. 3 is a front view of a third embodiment thereof.
The broken line drawings of a portion of cartridge or electronic display in FIG. 1, the electronic display in FIG. 2, and the cartridge in FIG. 3 are for illustrative purposes only and form no part of the claimed design.