Stratasys K6 Series User Manual page 147

Caution: Discard material pulled from printer. Do not attempt to rewind material
in canister. If filament is forced into canister, cross winding will most likely occur,
making the entire canister unusable.
A. Once canisters have been removed, the printer will clear the filament remaining within the
filament tubes. Excess material accumulates in the empty canister bay; discard this material
and then press the Next button to proceed with the wizard.
Note: The Material Status Icons for the unloaded canisters will update to reflect
their now empty state.
138