Canon MF4690 Service Manual - Page 55
ADF
UPC - 013803076820
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4.3 ADF 4.3.1 Pick-up Roller 4.3.1.1 Removing the ADF Pickup Roller 0016-5051 1) Remove the shaft [1] with driver etc., and detach the ADF cover [2] in the direction of the arrow. Chapter 4 4) Remove the 2 bushings [1]. 5) Remove the 1 E ring [2] to remove the ADF pick-up roller shaft [3]. F-4-4 2) Remove the shaft [1] with driver etc., and remove the pick-up assembly [2] in the direction of the arrow. F-4-8 6) Remove the 1 E ring [1] to remove the ADF pickup roller [2]. Do not touch the roller with bare hands. F-4-5 3) Unhook one each of the claws [1] to remove the 2 gears [2]. F-4-6 Points to Note when Attaching Match the gear [1] with the D cut surface of the ADF pickup roller shaft [2]. F-4-9 4.3.2 ADF Motor 4.3.2.1 Preparation for Removing the ADF Motor 0016-5052 1) Remove the front cover. 2) Remove the right cover. 3) Remove the left cover. 4) Remove the rear cover. 5) Remove the control panel assembly. 4.3.2.2 Removing the ADF Motor 0016-5053 1) Open the copyboard glass cover [1] to detach it upward. Pull out the hinge [2] on the left side while keeping it tilted toward the back. Place the detached copyboard glass cover on cloth etc. not to damage the bottom sheet. F-4-7 F-4-10 2) Reverse the copyboard [1] and detach the bottom cover [4]. - 2 screws [2] - 5 claws [3] 4-3