Action Yes No
Step 2
Replace the imaging unit.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check if the following cables are properly connected and free of
damage:
• cable J71 on the controller board
• main motor cable
Are the cables properly connected and free of damage?
Go to step 5. Go to step 4.
Step 4
Reseat or replace the cables.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Restart the printer.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Replace the motor (main). See
“Main motor drive removal” on
page 410.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Restart the printer.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Redrive drive failure service check
Action Yes No
Step 1
Check if the following cables are properly connected and free of
damage:
• cable J66 on the controller board
• redrive motor cable
Are the cables properly connected and free of damage?
Go to step 3. Go to step 2.
Step 2
Reseat or replace the cables.
Does the problem remain?
Go to step 3. The problem is
solved.
4064
Diagnostics and troubleshooting
313
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