Description: Total number of sheets of media that have been duplex printed. A sheet is counted if it travels through the duplex page path, regardless of whether or not marks are made on the page. The POS will indicate if the value is kept in NVRAM. Additional information: Total number of sheets of media that have been duplex printed. A sheet is counted if it travels through the duplex page path, regardless of whether or not marks are made on the page. This value is kept in NVRAM however the NVRAM value is only updated every 10 sheets. NOTE: The value returned by this object will be incremented every sheet but if power is lost between NVRAM updates up to 9 sheets of the count may be lost. The counter will be reset to zero after 16,777,215 (2^24-1) pages.