Canon imagePROGRAF iPF6400 - Manual (Page 909)

8
Press ▲ or ▼ to select Yes, and then press the OK button.
9
A confirmation message about updating ink information is shown on the
Display Screen. After checking the message, press the
▶ button.
10
Press ▲ or ▼ to select Yes, and then press the OK button.
Ink level detection is now released.
iPF6400 Ink Level Detection
User's Guide
Troubleshooting
Other problems
909