Bayer HealthCare RapidPoint 400 Series Service Manual page 371

4. Remove the three screws securing the UIP board to the standoffs.
5. Remove the UIP board from the Main Interconnect board.
6. Install the new UIP board.
7. Reconnect all the cables.
8. Reassemble in the reverse order. Refer to Installing the Rear Cover,
Cartridge Interface Assembly, and Power Module Assembly on
page 378.
Rev. C Replacing Components 371