Canon Colorado M Series Operation Manual page 163

Unload a media roll from the drawer
3. Pull the lever and open the clamp.
4. Lift up and take out the media shaft with the media roll, and put it on the roll loading station.
5. Pull (1) the handle of the locking mechanism towards you.
Remove (2) the media shaft from the core of the media roll.
Chapter 4 - Handle the media 163