Chapter 55-23F-5-715.4.6.2 Removing the ADF Reading Glass 0007-3426iR2270 / 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].F-5-72When 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 isfound, be sure to clean it using lint-free paper moistened with alcohol.5.4.6.3 Removing the Contract Sensor Home PositionSensor 0007-0751iR2270 / 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 imagesensor (CIS) [2] is where indicated in the figure.F-5-732) 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] foundat the rear.F-5-74After replacing the sensor, pull the drive belt (rear) [1] in the direction of thearrow so that the contact image sensor (CIS) [2] is returned to the farthestleft.F-5-755.4.7 Original Size Sensor5.4.7.1 Removing the Reader Rear Cover 0007-3440iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Disconnect the ADF communications cable [1] (if equipped with an ADF)
