. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.Orient the dust removal tool as shown below, with the label on the tool (and the fiber strip) facing the front of the scanner; in this position the dust removal tool is behind the diffuser.
Dust removal tool 
Fiber strip 
Diffuser 
KODAK Professional
RFS 3570 Film Scanner
3.Clean the surface of the diffuser with an up and down motion; make sure the fiber strip makes contact with the diffuser.
4.Remove the dust removal tool, replace the holder and mask, and rescan the image.
