Select the menus on the control panel as described below.
Settings > Maintenance
Select this feature to check if the print head nozzles are clogged. The printer prints a nozzle check pattern.
Select this feature to clean clogged nozzles in the print head.
Select this feature to adjust the saddle stitch folding position.
Select this feature to adjust the saddle stitch binding position.
Select this feature to adjust the half folding position.
Select this feature to raise the needle when replacing staples.
Select this feature to check the maintenance roller service life of the paper cassette. You can also reset the maintenance roller counter.
Checking the Clogged Nozzles