Lexmark X792 - Scanner Cable Service Check

Diagnostic information 2-151
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840.03—Scanner cable service check
Step Questions / actions Yes No
1 Remove the system board upper shield. See
“System board upper shield removal” on
page 4-30.
Check the cable for proper connection.
Remove the ADF rear cover. See “ADF rear
cover removal” on page 4-171.
Check the cable for proper connection.
Remove the scanner rear cover. See
“Scanner rear cover removal” on
page 4-215.
Check the cable for proper connection.
Are any of the cables unplugged?
Reseat the cable. Go to step 2.