C8066-60002PC Board - Scanner Formatter PC board assembly - Includes the PC board and interconnecting flex cable
C8542-60001PC Board - Formatter PC board assembly (includes connector for the line interface unit PC board)
C9138-60001PC Board - Line interface unit (LIU) board - provides telephone communications (for fax capabilities) to the printer - For the United States and World Wide EXCEPT Europe
C9138-60002PC Board - Line interface unit (LIU) board - provides telephone communications (for fax capabilities) to the printer - For Europe ONLY