ROS system failure

[apurv]

When I print my job after complete the job some blank papers.are print automatically and these message displayed. Why?

[GabiE-Xerox]

Hi,

The ROS (laser unit) is defective and you need to replace it.

Gabi

[apurv]

I changed laser unit but that problem occured yet.

[GabiE-Xerox]

What fualt code is in Fault History?