Canon ImageRunner iR8500 Series, Service Manual, Page: 664 / 1122

Chapter 14
14-10
F-14-15
14.1.16 Making Checks on the Scanner Side(Checking for fogging)
0008-3713
iR105i/iR105+ / iR9070
Clean the following:
1. Mirrors
2. Lens
3. Standard white plate
4. Dust-proofing glass
5. Scanning lamp
6. Reflecting plate
Execute the following in service mode:
1. COPIER>FUNCTION>CCD>CCD-ADJ
2. COPIER>FUNCTION>CCD>LUT-ADJ
Is the
image of gray Scale
No. 1 (solid black) copied of the
NA3 Chart in text mode
too light?
Turn off and then on
the power switch, and
make a copy.
Check the life of the
scanning lamp; if its
end is reached,
replace it.
< Checking the Solid Black >
YES
NO
NO
Go to
“Checking the Solid Black”
on the printer side.
YES
Is gray scale
No. 1 (solid black) too
light?
Execute potential
control.
Go to
“Checking for fogging”