The unit that will be used by the printer when reporting
counter values for this marking sub-unit. The
time units of measure are provided for a device like a
strip recorder that does not or cannot track the physical
dimensions of the media and does not use characters,
lines or sheets.
Additional information:
LaserJet 4500 tracks engine life by the number of pages printed. LaserJet 4500 will use the
counter unit ePimpressions to track this as Eclipse and Elkhorn have done. In other words, ePimpression
equals a page.