This message appears when the printer switches to the B/W mode. See "Switching the Printing Mode" on page 283 to find how to switch the mode.

Replace Fuser

The fuser has reached the end of its service life. Turn the printer off, then replace the fuser unit with a new one. See "Fuser Unit" on page 326 for instructions.

Replace Photoconductor

The photoconductor has reached the end of its service life. Turn off the printer, then replace the photoconductor unit with a new one. See "Photoconductor Unit" on page 319 for instructions.

The error clears automatically after you replace the unit, then close all printer covers. The photoconductor service life counter is reset automatically.

When the error light is blinking, you can continue printing by pressing the N Start/Stop button. However, the print quality is not guaranteed from then on.

Replace Toner uuuu

The indicated toner cartridges are out of toner and need to be replaced. (The letters C, M, Y, or K appear in place of uuuu and indicate the colors Cyan, Magenta, Yellow, and Black respectively.)

See "Toner Cartridge" on page 315 for instructions.

Replace Waste T Box

The waste toner collector is full of toner. Replace it with a new waste toner collector. See "Waste Toner Collector" on page 331 for instructions.

274Using the Control Panel