CB406-60001PC Board - Formatter board - Has integrated USB interface and connector - Mounts on the right side plate
CB407-60002PC Board - Formatter board - Has integrated USB interface and 10/100 Ethernet network, plus the USB and RJ-45 interface connectors - Mounts on the right side plate
CB409-60001PC Board - Formatter board - Has integrated USB interface and connector - Mounts on the right side plate
CB440-60001PC Board - Formatter board - Has integrated USB interface only, no Ethernet network,for USB and Ethernet interface connectors order CB407-60002.
Q5426-60001PC Board - Formatter board - Has integrated USB interface and connector - Mounts on the right side plate
RM1-2314-000CNPC Board - Print engine control board - Provides timing and control of the printer motors and functions