Canon iPF785 User Manual page 654

Ink Level Detection
6
Check the message and press the ▶ button.
7
Check the message and press the ▶ button.
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.
654
iPF785
User's Guide