Canon imagePROGRAF iPF9400S - Manual (Page 587)

Removing Printed Documents from the Media Take-up Unit Removing Printed Documents from the Media Take-up Unit
1
Press the Feed button.
2
Hold down the ▼ button to advance the roll a little.
To protect the paper that has been rewound, advance it
an amount longer than the outer circumference.
3
Remove the Weight Roll from the roll paper.
4
Press the Cut button.
iPF9400S Removing Printed Documents from the Media Take-up Unit
User's Guide
Handling and Use of Paper
Media take-up unit
587