![background image](http://html.mh-extra.com/html/canon/perfect-binder-b1/perfect-binder-b1_troubleshooting-manual_58071102.webp)
CAUTION:
To close the Waste paper unit after mounting, rotate the Buffer drive pulley [1] to align the position of the Full detection
lever with the notch [3] on the Waste basket so that the Full detection lever [2] of the Waste paper buffer unit and the Waste
basket do not come in contact each other.
2-23) Push down the metal plate from the back of the machine and lift the Tray guide unit in the direction of arrow.
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