315Fill developer6.[424]Open the lid on the developerstation refill pipe and insert thehose.7.[425]Ensure that the hose is affixedproperly.8.[426]Hang the cage with the devel-oper bottle headfirst in the up-per cutout on the printingsystem frame.Make sure that there is no bendin the hose.9.Shake bottle carefully.Proceed as follows: