[CQ] M 118 OPTICS RESOLUTION

[Guest]

Hello Guys

I keep on my own a M 118 with half background to fluctuate copy from class or DADF only,BUT perfect copy during print...
I have been trying to clean respectively the scanner optics assy ,but the quality deteriorate to full background .
Did anyone has encounter a problem like this ,it seems like an optics miscalling ,edoc didnt comment any note for
ccd optics adjustments


Thanks for your help