Panasonic KV-S2065L Service Manual page 24

4. Open the optional "Roller Exchange Kit (KV-SS009)", and take out
the Paper Feed Roller Module.
5. Install the new Paper Feed Roller Module with the gear on the left
side and the bearings into the guide grooves of the side chassis in
the scanner [(1)]. Then push up the levers on both ends until they
click into place [(2)].
Note:
Match the Paper Feed Roller Module with the bearings and guide
grooves, and then attach it.
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