Proceed as follows:
Caution
The toner bottle must be shaken
vigorously enough so that the
toner moves like a fluid in the
toner bottle. The shaken volume
increases with the locked-in air
to such an extent that the toner
almost completely fills the toner
bottle (see illustration).
Chapter 8 - Replacing Consumables326
Refilling Toner (Option: 1 kg / 2.2 lb Toner Bottle)