Lexmark X644E Service Manual - Page 153

7002-xxx 298.01 Error code service check-models X644e/X646e Scanner missing-front side cable unplugged.This is the ADF CCD 36 pin ICC cable connected to the ADF CCD. FRU 1 ADF CCD cable Action Check the cable for correct connections to the flatbed interface connector on the rear of the flatbed scanner assembly and to the ADF CCD assembly. If incorrect, install the cable correctly. If correct, replace the following FRUs in the order shown: • ADF CCD cable. • Flatbed interconnect card. See "Flatbed interconnect card removal" on page 4-33 • ADF CCD assembly. • If ADF CCD assembly is replaced, it is necessary to perform scanner registration. See "Scanner registration" on page 4-4. 298.02 Error code service check Scanner missing-rear side cable unplugged. This is the MDC 36 pin ICC cable connected to the motor driver card. FRU 1 MDC cable Action Check the cable for correct connections to the flatbed interface connector on the rear of the flatbed scanner assembly and to the motor driver card. If incorrect, install the cable correctly. If correct, replace the following FRUs in the order shown: • MDC cable. • Flatbed interconnect card. See "Flatbed interconnect card removal" on page 4-33 • Motor driver card. 842.xx Error code service check Service Scanner-scanner communications failure. FRU 1 Scanner control card to flatbed inteconnect card cable 2 Motor drive card to flatbed interconnect card cable 3 Motor driver card Flatbed interconnect card Action Check for correct installation of the scan control to flatbed interconnect card cable. Check for correct installation of the motor driver card to flatbed interconnect card cable. If the cables are good and are properly connected, replace the following FRUs in the order shown: • Flatbed interconnect card assembly • Motor driver card assembly Diagnostic information 2-115