Calibration failed. Press OK or Go and try it again. If the message is still displayed, do one of the following to clear the message:

• Press and hold down (Power On/Off) to turn off the machine. Wait a few seconds, then turn on the machine again. Perform the Color Calibration again.
• Put in a new belt unit. (Click here to see how to replace the belt unit.)

If the issue continues, contact Brother Customer Service.