Canon Oce VarioPrint 6000+ Series Operation Manual page 203

[63] Firmly push the staple cartridge into the holder
6. Remove the paper ribbon that secures the staples in the staple cartridge.
[64] Remove the paper ribbon
7.
Close the lower cover.
8. Place the cartridge holder in the stapler.
Chapter 12 - Keeping the printer running
Add staples
203