Replacing Toner Cartridges

Toner cartridges are consumables. When the toner becomes nearly empty or has run out completely in the middle of a job run, a message appears on the screen, or the following problems may occur. Take the appropriate action accordingly.
IMPORTANT
Toner cartridges:
For more information on toner cartridges, see the following sections:
The average yield of replacement toner cartridges differs from that of the supplied toner cartridge.
If the toner nearly runs out, white streaks appear on the output, or the output is partially faded.
  
No message appears on the screen, if the toner nearly runs out. Replace the toner cartridge when white streaks appear on the output, or the output is partially faded.
      
When this problem occurs
Follow the procedure in the section below before replacing the toner cartridge. You may print for some time, until the toner completely runs out.
 
      
If print result is not improved
If white streaks or faded parts continue to appear after following the procedure in the section above, replace the toner cartridge.
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