You can check the total number of pages fed through the printer. The information is printed together with the nozzle check pattern.
Select Maintenance on the printer's control panel.
Select Print Head Nozzle Check.
Follow the on-screen instructions to load paper and print the nozzle check pattern.
You can also print a nozzle check pattern from the printer driver and check the total number of pages fed. See the related information link below for details.