Lexmark X734DE - XX-Scanner Error-Scan Module Output Level Error Service Check; XX-Scanner Failure Service Check

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844.xx—Scanner Error—scan module output level error service check
845.xx—Scanner Failure service check
Scan module cable failure or SCC card failure. CCD channel failure.
Step Questions / actions Yes No
1 Check the flatbed lamp.
Is the lamp on brightly?
Go to step 2. Replace the flatbed lamp.
See “Flatbed CCD lamp
assembly removal” on
page 4-271.
2
Remove the left cover. See “Left cover
removal” on page 4-23.
Are the cables (A and B) securely connected?
Go to step 3. Reseat the flatbed CCD
cable.
3
Are the cables damaged? Replace the flatbed
scanner. See “Flatbed
scanner removal” on
page 4-279
Replace the flatbed CC
carrier module. See
“Flatbed CCD carrier
module removal” on
page 4-274.
Step Questions / actions Yes No
1 Check flatbed CCD cable (A). Remove the
flatbed with glass cover. See “Flatbed with
glass cover removal” on page 4-239.
Is the cable loose?
Reseat the flatbed CCD
cable.
Replace the flatbed
scanner. See “Flatbed
scanner removal” on
page 4-279.
2
Is the flatbed CCD cable damaged? Replace the flatbed CCD
cable.
Replace the scanner MDC
card. See “Scanner ICC
cable removal” on
page 4-284.