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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.
When a Message Appears (MF4890dw/MF4880dw/MF4770n Only) When the toner becomes nearly empty in the middle of a job run, a message appears on the screen.
IMPORTANT
When white streaks appear on the output, or the output is partially faded:
- When white streaks appear on the output or the output is partially faded, the toner cartridge has almost reached the end of its life, even if no message appears on the screen. When the print quality becomes unacceptable, see the following to fix the problem.
If White Streaks Appear on the Output or the Output Is Partially Faded 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.
- If the toner almost runs out, distribute the toner evenly by shaking the toner cartridge referring to Step 7 in [ Replacing the Toner Cartridge ] before replacing the toner cartridge. You may print for some time, until the toner completely runs out.
- If white streaks, unevenness, or faded print appears on printout results even after performing the above procedure, replace the toner cartridge with a new one. [ Replacing the Toner Cartridge ]
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