Cleaning the Transfer Belt
If the printout is smudged, the transfer belt (ITB) inside the machine may be dirty. Clean the transfer belt using the procedure below.
The transfer belt cannot be cleaned when data is waiting to be printed.
The transfer belt cannot be cleaned when data is waiting to be printed.
1
On the operation panel, press [Menu] in the [Home] screen. [Home] Screen
2
Press [Adjustment/Maintenance] 
[Maintenance] [Clean ITB].
[Maintenance] [Clean ITB].The [Clean ITB] screen is displayed.
3
Press [Start].
Cleaning is performed.
When cleaning is completed, the message [Finished.] appears, and then the [Maintenance] screen is displayed.
When cleaning is completed, the message [Finished.] appears, and then the [Maintenance] screen is displayed.