You can
check the number of sheets of paper that have fed through the
product by checking the sheet counter.
In the Apple menu or the Dock, select System Preferences. Select Print & Fax,
Print & Scan, or Printers & Scanners, select your
product, and select Options &
Supplies. Select Utility
and select Open Printer
Utility.
Select Printer and Option
Information. You see this window:
After checking the number of sheets fed into the printer,
click OK to close the
window.