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Routine Maintenance
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Replacing the waste toner box 4
Order No. WT-220CL
The life of a waste toner box is approximately 50,000 A4 or Letter size single-sided pages.
WT Box End Soon 4
WT Box End Soon
If the LCD shows WT Box End Soon, it means the waste toner box is near the end of its life. Buy a new
waste toner box and have it ready before you get a Replace WT Box message. To replace the waste toner
box, see Replacing the waste toner box on page 133.
Replace WT Box 4
When the following message appears on the LCD, you must replace the waste toner box:
Replace WT Box
Replacing the waste toner box 4
a Make sure that the machine is turned on.
b Open the top cover until it locks in the open position.