Add punctuation: These user default settings remain in effect until you make another selection and apply it or until you restore the original printer settings called factory default settings
A: These user default settings remain in effect until you make another selection and apply it, or until you restore the original printer settings (called factory default settings).

Add punctuation: Cookies play an important role
A: Cookies play an important role.

Add punctuation: 3 Freeing the base of carpenters garage from ice and snow
A:
3. Freeing the base of carpenters garage from ice and snow.