Canon iPF6400S Basic Manual page 155

Cause
3. Replace the left printhead with a new one if Printhead L is displayed and the right one if
Cannot recognize print head x. (x is L, R, or not displayed)
Cause
No Printhead is Follow these steps to install the Printhead.
installed.
1. Open the Top Cover.
2. Install the Printhead L if Printhead L is displayed and the Printhead R if Printhead R is
The Printhead cannot Follow these steps to reinstall the Printhead.
be recognized
1. Open the Top Cover.
because it is not
2. Reinstall the Printhead L if Printhead L is displayed and the Printhead R if Printhead R is
installed correctly.
Execute printhead cleaning.
Cause
The Printhead Follow these steps to clean the Printhead.
nozzles are clogged.
1. Stop printing by pressing ▲ or ▼ to select Stop Printing.
2. Clean the Printhead.
If the message is still displayed when printing, replace the Printhead.
(See "Replacing the Printhead.")➔P.40
Press ▲ or ▼ to select Print, and then press the OK button to resume printing. However, note
that this error may affect the printing quality.
Printhead R is displayed. If neither left or right is indicated, replace both printheads.
(See "Replacing the Printhead.")➔P.40
displayed. If neither left or right is indicated, install both Printhead L and Printhead R.
(See "Replacing the Printhead.")➔P.40
displayed. If neither left nor right is indicated, re-install both Printhead L and Printhead R.
(See "Replacing the Printhead.")➔P.40
(See "Cleaning the Printhead.")➔P.55
Corrective Action
Corrective Action
Corrective Action
iPF6400S Basic Guide
155