Canon iR4570 Series Service Manual page 598

Chapter 12
6) Remove the joint shaft [1], and detach the extension delivery unit [2] from the right door.
7) Disconnect the connector [1], and remove the reuse band [2]; then, remove the 2 screws (M4x8; RS tightening) [3].
8) Free and detach the right door [1] from the hinge assembly [2].
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