The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
un manual completo con una calidad de imagen buena con explicaciones en varios idiomas de los ajustes y detalles en conjunto un OK.
Text excerpt from page 263 (click to view)
1-2.
Removal of the Punch Unit
1. Remove the Upper Cover. 2. Unplug two connectors.
4643D002AA
3. Remove two screws and the Punch Unit.
4643D003AB
NOTE When reinstalling the Punch Unit, ensure that part A of the gear on the Finisher fits into the slit in the gear of the Punch Unit. Clutch
4643D018CA
1-3.
Removal of the Stapling Unit
1. Holding both sides of the cover, lift the cover up and take it off.
4643D004AC
2. Remove one screw and remove the Stapling Unit from the moving cradle. 3. Remove the screw, unplug the connector, and remove the Stapling Unit.