Total number of pages printed by the device. POS
indicates if the total engine page count is kept in
NVRAM, and the maximum supported value before the page
count rolls over to zero.
Additional information:
In LaserJet 4V the total engine page count is kept in
NVRAM however the NVRAM value is only updated every 10
pages. NOTE: The value returned by this OID will be
incremented every page but if power is lost between
NVRAM updates up to 9 pages of the page count may be
lost. The page count counter will be reset to zero
after 16,777,215 (2^24-1) pages.