Fujitsu fi-4530C Operator's Manual page 83

3. Remove the Pad ASSY.
Press down on the upside of the Pad ASSY, slide it to the left and remove it.
4. Attach the new Pad ASSY.
Insert the claws of the Pad ASSY into the holes on the ADF.
Pressing down the Pad ASSY and slide it to the right to fix.
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Claws