Scanner Communication Failure Service Check - Lexmark CX725 Service Manual

Actions
Step 3
a
Reseat the cable on the JADF1 connector on the controller
board.
b
Repeat step 1.
Does the problem remain?
Step 4
a
Replace the ADF. See
b
Repeat step 1.
Does the problem remain?
Step 5
Reseat the cables on the JFB1, JHS1, and JCCD1 connectors on the
controller board.
Does the problem remain?
Step 6
a
Replace the flatbed. See
b
Repeat step 1.
Does the problem remain?
Step 7
Replace the controller board. See
page 409.
Does the problem remain?

Scanner communication failure service check

Actions
Step 1
Reseat the cable on the JADF1 connector on the controller board.
Does the problem remain?
Step 2
Reseat the cable on the JCCD1 connector on the controller board.
Does the problem remain?
Step 3
Replace the ADF. See
Does the problem remain?
"ADF removal" on page
"Flatbed removal" on page
"Controller board removal" on
"ADF removal" on page
Diagnostic information
Yes
Go to step 4.
Go to step 5.
426.
Go to step 6.
Go to step 7.
435.
Contact the next
level of support.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
426.
239
7528
No
The problem is
solved.
The problem is
solved.
The problem is
solved.
The problem is
solved.
The problem is
solved.
No
The problem is
solved.
The problem is
solved.
The problem is
solved.