Action Yes No
Step 2
Reseat the cable.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Restart the printer.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Replace the main fan. See
“Main fan removal” on page 412.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Restart the printer.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Cartridge fan failure service check
Action Yes No
Step 1
Check if the following cables are properly connected:
• cable J15 on the controller board
• cartridge fan cable
Are the cables properly connected?
Go to step 3. Go to step 2.
Step 2
Reseat the cable.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Restart the printer.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Replace the cartridge fan. See
“Cartridge fan removal” on
page 423.
Does the problem remain?
Go to step 5. The problem is
solved.
4064
Diagnostics and troubleshooting
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