The machine will tell you if you need to change staples in the top right of the device screen.
Additional staples can be ordered at: https://orders.docsol.sfu.ca/staples/
1. Open the Finisher door and remove the staple cartridge/casing.
2. Folowing the instructions inside the finisher door, remove the cartridge from the casing and insert a new one. Each refill holds 5000 staples.