Actions Yes No
Step 3
a Reseat the cable on the JADF1 connector on the controller
board.
b Repeat step 1.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
a Replace the ADF. See “ADF removal” on page 426.
b Repeat step 1.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Reseat the cables on the JFB1, JHS1, and JCCD1 connectors on the
controller board.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
a Replace the flatbed. See “Flatbed removal” on page 435.
b Repeat step 1.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Replace the controller board. See
“Controller board removal” on
page 409.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Scanner communication failure service check
Actions Yes No
Step 1
Reseat the cable on the JADF1 connector on the controller board.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Reseat the cable on the JCCD1 connector on the controller board.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Replace the ADF. See
“ADF removal” on page 426.
Does the problem remain?
Go to step 4. The problem is
solved.
7528
Diagnostic information
239