Canon iR2016 Series, Service Manual

Page: 157 / 406

Chapter 4
4-17
4.4 Parts Replacement Procedure
4.4.1 Copyboard glass
4.4.1.1 Removing the Copyboard glass
0010-4295
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Open the copyboard cover (or ADF).
2) Remove the two screws [1], remove the glass retainer [2], and then
remove the copyboard glass [3].
F-4-33
When removing the copyboard glass, take care not to touch the
following:
- Glass surface
- Standard white plate
Dirt on these parts can show up as white/black lines in the image. If dirt is
found, remove it with lint-free paper moistened with alcohol.
F-4-34
F-4-35
4.4.1.2 Procedure after Replacing the Copyboard Glass
(iR2020i/iR2016i)
0012-6054
iR2016i / iR2020i
After replacing the copyboard glass, enter the correction values (X, Y, Z) of
the standard white plate which are indicated on the back of the new copy-
board glass in the service mode.
Correction value (X): Service mode>#SCAN>#SCAN NUMERIC>No.213
Correction value (Y): Service mode>#SCAN>#SCAN NUMERIC>No.214
Correction value (Z): Service mode>#SCAN>#SCAN NUMERIC>No.215
Also, rewrite the values on the service label.
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4.4.1.3 Removing the ADF Reading Glass
0010-4296
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Open the copyboard cover (or ADF).
2) Remove the two screws [1], and then remove the glass retainer [2].
3) Remove the ADF reading glass [3].
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- When removing the ADF reading glass, take care not to touch the glass
surface. Dirt on these parts can show up as white/black lines in the image.
If dirt is found, remove it with lint-free paper moistened with alcohol.
- When installing the ADF reading glass, position the cut portion [1] of the
ADF reading glass sheet at the front-left corner.
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4.4.2 Reader Controller PCB
4.4.2.1 Removing the Rear Cover
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iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Remove the four screws [1], and then detach the rear cover [2].
[1]
[2]
[3]
8 2 0 6 8 6 6 7 9 3 4 9
c o r r e c t o n
va l u e ( X )
c o r r e c t o n
va l u e ( Y )
c o r r e c t o n
va l u e ( Z )
[3]
[1]
[2]
[1]