Canon imagePROGRAF iPF6400SE - Execute Printhead Cleaning

Cause Corrective Action
The Printhead cannot be recognized because it is not installed correctly. Follow these steps to reinstall the Printhead.
1. Open the Top Cover.
2. Reinstall the Printhead.
(See "Replacing the Printhead.") ➔P.578
Execute printhead cleaning.
Execute printhead cleaning.
Cause Corrective Action
The Printhead noz-
zles are clogged.
Follow these steps to clean the Printhead.
1. Stop printing by pressing ▲ or ▼ to select Stop Printing.
2. Clean the Printhead.
(See "Cleaning the Printhead.") ➔P.577
If the message is still displayed when printing, replace the Printhead.
(See "Replacing the Printhead.") ➔P.578
Press ▲ or ▼ to select Print, and then press the OK button to resume printing. However, note that this error may
affect the printing quality.
iPF6400SE Execute printhead cleaning.
User's Guide
Error Message Messages regarding printheads
655