Removing The Contact Image Sensor (Cis); Procedure After Replacing The Cis; Copyboard Cover Open/Close Sensor; Removing The Rear Cover - Canon iR2020 Series Service Manual

Chapter 4
[3]
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.

4.4.4.7 Removing the Contact Image Sensor (CIS)

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Pull the drive belt (front) [1] in the direction of the arrow to move the
contact sensor [2] to the position shown below.
4-20
[1]
[2]
F-4-66
F-4-67
F-4-68
2) Remove the rear side of the contact sensor [1] from the carriage.
3) Disconnect the flexible cable [2], and then remove the contact sensor [1].
When removing or installing the contact sensor unit, take care not to
touch the light guide and rod lens array.
Rod lens array

4.4.4.8 Procedure after Replacing the CIS

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
After replacing the contact image sensor (CIS), go through the following
steps to perform inter-channel output correction:
1) Enter the service mode.
Sequentially press the User Mode key "
key " " on the operation panel.
2) Using the arrow keys on the operation panel, display "TEST MODE".
3) Press the OK key.
4) Press the 2 key. "SCAN TEST" appears.
5) Press the 1 key.
After completion of the above steps, contact sensor output correction will be
performed and parameters will be set automatically.

4.4.5 Copyboard Cover Open/Close Sensor

4.4.5.1 Removing the Rear Cover

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
0010-4307 1) Remove the four screws [1], and then detach the rear cover [2].
[1] [2]
F-4-69
[2] [1]
F-4-70
Light guide
F-4-71
", 2 key, 8 key, and User Mode
0010-4308
0010-6107