Canon iPF9000 series Service Manual page 88

Chapter 1
1) Lift the Basket Rod gently to release the lock, lower the stacker toward the front, and push it all the way back.
2) Remove the front Basket Rod from the left and right Basket Rods, and remove the back Basket Rod and the black cord from the Rod Holder.
1-72
F-1-27
F-1-28