GBC eWire Service Manual page 174

6. Remove the Rear Cover by removing the M4 Screws (8)
7. Disconnect the Motor Cable from the Stepper Motor Driver.
Repairs/Adjustments
8. Loosen the set screw on the Element Belt Pulley.
9. Remove the M4 Nuts (4) securing the Motor to the frame, and remove
the Motor.
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GBC eWire