Canon S100SP User Manual page 78

Lift the BJ cartridge from the holder.
When the cartridge runs out of ink, dispose of it immediately.
If you remove a part-used cartridge, store it in a specific cartridge
container.
Important
• Handle ink cartridges carefully to avoid staining clothing or the
surrounding area.
• Discard empty BJ cartridges according to the local laws and regulations
regarding disposal of consumables.
Routine Maintenance
Replacing the BJ Cartridge 78