Lexmark X543 - Page 111

Diagnostic information 2-67
7525-xxx
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7 Replace the ADF unit. See “Duplex ADF
removal” on page 4-88or “Simplex ADF
removal” on page 4-89. POR the machine
into configuration mode. Go to the disable
scanner menu item. See “Disable
Scanner” on page 3-36. Select “Enable
ADF/FB -Enabled and press to save the
change. POR the MFP to operating mode.
Run a copy from the ADF.
Did the 840.xx error recur?
Go to step 8. Stop. Problem solved.
8 Inspect JFBM1, JHS1 and JCCD1 on the
controller board.
Are the connections properly connected?
Go to step 10. Go to step 9.
9 Properly connect all the connections.
Did the 840.xx error recur?
Stop Problem solved. Go to step 10.
10 Replace the flatbed unit. See “Flatbed
removal” on page 4-77. POR the machine
into configuration mode. Go to the disable
scanner menu item. See “Disable
Scanner” on page 3-36. Select “Enable
ADF/FB -Enabled and press to save the
change. POR the MFP to operating mode.
Run a copy from the flatbed.
Did the 840.xx error recur?
Go to step 11 Stop. Problem solved.
11 Replace the controller board. See
“Controller board removal” on page 4-18.
Did this fix the problem?
Problem solved. Contact second-level
support.
Step Questions / actions Yes No