318 Using the Control Panel
Toner Cart Error uuuu
A read/write error has occurred for the indicated toner
cartridges. (The letters C, M, Y, and K appear in place of uuuu and
indicate the colors Cyan, Magenta, Yellow, and Black
respectively.) Remove the toner cartridges and reinsert them. If
that fails to clear the error, replace the toner cartridges.
To install the indicated cartridges. See “Toner Cartridge” on page
338.
Unable Clear Error
The printer cannot clear an error message because the error status
still remains. Try solving the problem again.
uuuu Toner Low
This message indicates that the toner cartridge for the indicated
color is near the end of its service life. (The letters C, M, Y, and K
appear in place of uuuu and indicate the colors Cyan, Magenta,
Yellow, and Black respectively.) Prepare a new toner cartridge.
Warming Up
The product is warming up so that printing, copying, faxing, or
scanning can be done.
Worn Fuser
This message indicates that the fuser unit has reached the end of
its service life. Prepare a new fuser unit.
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