Bayer HealthCare RapidPoint 400 Series Service Manual page 312

j. Disconnect the CO-ox cable (P50), and then remove the cable
from the cable clamp.
This cable is not connected when the CO-oximeter is not present.
NOTE:
k. Remove the AQC cable (P40) from the cable clamp and
disconnect the AQC connector.
l. Remove the cartridge interface assembly from the system.
5. Install the new cartridge interface assembly.
6. Reassemble in the reverse order. Refer to Installing the Rear Cover,
Cartridge Interface Assembly, and Power Module Assembly on
page 378.
312 Rev. C