Canon IMAGERUNNER 7095 PRINTER, Руководство по обслуживанию

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Chapter 14
14-5
14.1.7 Making Checks on the Reader Unit
0011-8646
F-14-7
F-14-8
Is there a difference
in density between
front and rear?
Are there vertical
lines in the images?
Clean the following:
1. Mirrors
2. Lens
3. Standard white plate
(mounted to back of
copyboard glass**)
4. Copyboard glass
< Making Image Initial Checks> <Checking the Density Slope>
YES
YES
NO
NO
NO
YES
Perform the instructions under
“”for the printer unit.
Is there a
difference in density
between front
and rear?
Execute the following service mode item:
1) COPIER>FUNCTION>CCD>CCD-ADJ
2) COPIER>FUNCTION>CCD>LUT-ADJ**
Execute the following service mode item:
1) COPIER>FUNCTION>CCD>CCD-ADJ
2) COPIER>FUNCTION>CCD>LUT-ADJ**
Clean the mirrors.
E
*: model w/ DADF-Q1 (non-Japanese model: iR7105/7095; Japanese model: iR7105/7095/7086N)
**: model w/ DADF-M1 (non-Japanese model: iR7086)
Check to see if the standard white plate is
mounted correctly. As necessary,
correct its mounting.
Clean the following:
1. Mirrors
2. Lens
3. Standard white plate
4. Scanning lamp
5. Reflecting plate
Make a copy of
the NA3 Chart in text mode. Is
gray scale No. 1 (solid black)
too light?
Check the life of the
scanning lamp; if it has
reached the end of its
life, replace it.
< Checking the Solid Black Density >
<Checking for Fogging>
YES
NO
NO
NO
Perform the instructions under
“Checking the Solid Black Density”
for the printer unit.
YES
Is the density of
gray scale No. 1 (solid black)
too low (light)?
Make a copy of
the NA3 Chart in text mode.
Is the white background
foggy?
YES
NO
Make a copy of the
NA3 Chart in AE mode. Is the
output foggy?
K
Execute the following service mode item:
1) COPIER>FUNCTION>CCD>CCD-ADJ
2) COPIER>FUNCTION>CCD>LUT-ADJ**
Execute potential control
Turn off and then on the power switch,
and make a copy.
J
L
G
H
YES
F E
*: model w/ DADF-Q1 (non-Japanese model: iR7105/7095; Japanese model: iR7105/7095/7086N)
**: model w/ DADF-M1 (non-Japanese model: iR7086)