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Caution! Be sure to push the lock lever all the way back. If it is not pushed back
and you close the cover, the lever could damage the LED printhead.
9. Remove the LED lens cleaner (supplied with the toner) from its packet and use it to wipe
the corresponding LED head clean.
10. Close the cover and turn the printer back on.
Important! After the new toner cartridge is installed, the TONER LOW or TONER EMPTY
message should disappear from the display. If it doesn't, try printing a page. If it still
doesn't disappear, reinstall the toner cartridge.
Toner Cartridge Life
Toner cartridge life depends on the page density, the percentage of each page that is printed
with toner. An average business letter prints at between 3% and 5% density; graphics density is
usually higher. The higher the print density, the more toner is used.
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