Xerox WorkCentre 7328-7335-7345-7346 avec EFI Fiery Controller-12216 - Manual (Page 30)

Replacing the Toner Cartridges
5. Remove the new toner cartridge from its packaging.
6. Shake the new toner cartridge several times in an up and
down twisting motion to redistribute the toner.
WorkCentre 73 00 Series WorkCentre 73 00 Series Quick Use Guide