Canon IPF8400S - Cannot Adjust Paper Feed; Check Printed Document

Cannot adjust paper feed.
Cannot adjust paper feed.
Cause Corrective Action
The Printhead nozzles are clogged. Execute Adj. Quality again, as follows.
1. Press the OK button to clear the error.
2. Print a test pattern to check the nozzles.
(See "Checking for Nozzle Clogging.") ➔ P.817
3. Clean the Printhead if the nozzles are clogged.
(See "Cleaning the Printhead.") ➔ P.818
4. Execute Adj. Quality again.
(See "Automatic Banding Adjustment.") ➔ P.719
Highly transparent film is loaded that cannot be used
for automatic feed amount adjustment.
Press the OK button to clear the error, and then adjust the feed amount manually.
(See "Manual Banding Adjustment.") ➔ P.720
Check printed document.
Check printed document.
Cause Corrective Action
The Printhead nozzles are becoming clogged. If printing is faint, clean the Printhead.
(See "Cleaning the Printhead.") ➔ P.818
iPF8400S Cannot adjust paper feed.
User's Guide
Error Message Messages regarding printing or adjustment
897