How to clean the scanner? Xerox Workcentre

In this video I show how to clean scanner optics for Xerox WC 7220i.
Remember to turn the printer off before performing any cleaning.

[@GianlucaAru]

Hi How can write to you? about a xerox c235. thanks

[@darshanyadav3171]

Hello sir how to fix erre 062-371
I clean scanner unit also camera and sensor also but scanner not move forward...do creat 062-371 error. ...how to fix it ?