COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
CHAPTER 6 TROUBLESHOOTING
6-6
1.1.4
Making Checks on the Scanner Side
F06-101-04
Is there
a difference in density
between front and
rear?
Does the
image have a vertical
line?
Clean the following:
1. Mirrors
2. Lens
3. Standard white plate
4. Copyboard glass
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
Execute the following in service mode:
1. COPIER>FUNCTION>CCD>CCD-ADJ
2. COPIER>FUNCTION>CCD>LUT-AJ
Execute the following in service mode:
1. COPIER>FUNCTION>CCD>CCD-ADJ
2. COPIER>FUNCTION>CCD>LUT-ADJ
Execute the following service mode:
1. COPIER>FUNCTION >CCD>CCD-ADJ
2. COPIER>FUNCTION>CCD>LUT-ADJ
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.
Check how the
standard white plate is
mounted; if not in firm
contact, mount it
correctly.
<Making Initial Checks>
<Checking the Density Slope>
<
Checking the Solid Black
>
<Checking Halftone Density>
<Checking for Fogging>
YES
YES
NO
NO
NO
YES
NO
NO
YES
YES
NO
NO
Increase the value of the
following in service mode:
COPIER>ADJUST>DENS>
DENS-ADJ.
End.
YES
YES
NO
NO
Make a copy of the A3
Chart in text/photo
mode.
YES
Go to
“Checking the Density Slope”
on the printer side.
Go to
“Checking the Solid Black”
on the printer side.
YES
Go to
“Checking Halftone Density”
on the printer side.
Is there
a difference in density
between front and
rear?
Is gray scale
No. 1 (solid black) too
light?
Make a copy
of the NA3 Chart in text mode.
Is the white background
foggy?
Is the
white background
foggy?
Increase the value in the following
service mode: COPIER>ADJUST>CCD-
SH-TRGT (max. at 160).
Does the
density of gray scale
No. 8 (halftone)
change?
If too light,
If too dark,
Execute potential
control.
Go to
“Checking for Fogging”
on the printer side.
YES
NO
NO
YES
Make a copy
of the NA3 Chart in AE mode.
Is the white background
foggy?
Is the
white background
foggy?
Decrease the value in the following
service mode:
COPIER>ADJUST>AE>AE-TBL.
Make a copy
of the A3 Chart in text/photo
mode. Is the density of No. 8 proper as
compared with No. 7 through
No. 9 of the Test
Chart?
B
B
Decrease the value of the
following in service mode:
COPIER>ADJUST>DENS>
DENS-ADJ.
Summary of Contents for iR105 Series
Page 547: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR105 REV 0 JULY 2001 APPENDIX ...
Page 561: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 691: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
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