C9138-60001Line interface unit (LIU) board - provides telephone communications (for fax capabilities) to the printer - For the United States and World Wide EXCEPT Europe
C9138-60002Line interface unit (LIU) board - provides telephone communications (for fax capabilities) to the printer - For Europe ONLY
Q2657-67901Scanner control board assembly - Includes the PC board and interconnecting flat flexible cable
Q2658-67901Printer formatter board - Controls the logic and timing operation of the printer, translates the control panel input, and provides control of the scanner assembly - Does NOT include the LIU board
RM1-0833-000CNPrint engine control board - Provides motor drive, paper motion monitoring, printing control and power supply
RM1-0833-030CNPrint engine control board - For 110/127 VAC - Provides motor drive, paper motion monitoring, printing control and power supply
RM1-0834-000CNPrint engine control board - Provides motor drive, paper motion monitoring, printing control and power supply
RM1-0834-030CNPrint engine control board - For 220/240 VAC - Provides motor drive, paper motion monitoring, printing control and power supply