Canon imagePrograf iPF9400 User Manual page 842

Replacing the Printhead
8
Press the OK button.
Ink begins being drawn in. When it finishes, instructions are displayed on the Display Screen.
It takes about three minutes for ink to be drawn into the system.
Replace the Printhead
1
Open the Top Cover.
2
If the Carriage Cover is dirty, use a damp cloth that you
have wrung out completely to wipe it clean.
842
iPF9400
User's Guide