That is not true! The printer uses toner according to the amount of total
print density on the page. You can run 10,000 pages through the printer, and
if there is not one letter printed, the only thing that will wear out are
the rollers from pushing the paper. Only stray particles of toner will leave
the cartridge to the paper, but this would not normally be visible.

The calculation of the amount of pages that can be printed are based on an
average of 15% print density of the total area of an 8" X 11" paper.
Printing backgrounds or photos as like in pictures, and printing web pages
will decrease the rated amount of prints from the toner cartridge, as
calculated for standard text pages.



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JANA
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"Ron(UK)" wrote in message
...
The other day, a photocopier engineer told me that laser printers that
use a closed cartridge system, use the same amount of toner each print
regardless of whether you are printing a single full stop, or a full
page of text.

Apparently they always transfer the same quantity from the toner bin
to the waste bin whatever the density of the print.

Can anyone confirm this?
Ron(UK)