Removing The Adf Reading Glass; Removing The Contract Sensor Home Position Sensor; Original Size Sensor; Removing The Reader Rear Cover - Canon iR3570 Service Manual

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5.4.6.2 Removing the ADF Reading Glass

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N /
/ iR4570N / iR2230 / / / iR3530 /
1) Open the copyboard glass (or ADF).
2) Remove the 2 screws [1], and detach 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 sur-
face.The presence of dirt can cause white/black lines in the images. If dirt is
found, be sure to clean it using lint-free paper moistened with alcohol.
5.4.6.3 Removing the Contract Sensor Home Position
Sensor
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N /
/ iR4570N / iR2230 / / / iR3530 /
1) Pull the drive belt [1] in the direction of the arrow so that the contact image
sensor (CIS) [2] is where indicated in the figure.
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2) Disconnect the connector [1], and remove the CIS home position sensor
[3].
When detaching the sensor, do so as if to push it under the claw [2] found
at the rear.
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After replacing the sensor, pull the drive belt (rear) [1] in the direction of the
arrow so that the contact image sensor (CIS) [2] is returned to the farthest
left.
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5.4.7 Original Size Sensor

5.4.7.1 Removing the Reader Rear Cover

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N /
/ iR4570N / iR2230 / / / iR3530 /
1) Disconnect the ADF communications cable [1] (if equipped with an ADF)
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Chapter 5
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