Answer:
B. installing the maintenance kit
Explanation:
page count keeps track of how many number of pages that have been printed since the installation of the last maintenance kit. When a new maintenance kit is installed on most Laser printers, the page count is reset because it does not automatically clears most times, hence, there's the need to clear the count manually.
<span>New sources of power assist in the development of inventions since t</span>he new inventions would have been worthless without a reliable source of power energy.
