842.Xx Error Code Service Check - Lexmark X642e Service Manual

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
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

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 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
removal" on page 4-33
• ADF CCD assembly.
• If ADF CCD assembly is replaced, it is necessary to perform
scanner registration. See
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
removal" on page 4-33
• Motor driver 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
"Flatbed interconnect card
"Scanner registration" on page
"Flatbed interconnect card
Diagnostic information
7002-xxx
4-4.
2-115