Cartridge cooling fan service check
Action Yes No
Step 1
Ensure the cable for socket "HVPS” on the controller board is properly
connected.
Is the above connection properly connected?
Go to step 2. Reseat the connection.
Step 2
Reset the machine.
Does the error continue?
Replace the cartridge
cooling fan with cable.
See
“Cartridge cooling
fan removal” on
page 442.
Go to step 3.
Problem resolved.
Step 3
Reset the machine.
Does the error continue?
Replace the controller
board. See
“Controller
board removal” on
page 422.
Problem resolved.
Controller board cooling fan service check
Action Yes No
Step 1
Make sure that the controller board cooling fan cable is properly
connected.
Does the error remain?
Go to step 2. The problem is solved.
Step 2
Check if the voltage value is +25 V (at the controller board pin where the
controller board cooling fan is connected).
Is the voltage value +25 V?
Go to step 3. The problem is solved.
Step 3
Replace the controller board cooling fan. See
“Controller board cooling
fan removal” on page 424.
Does the error remain?
Go to step 5. The problem is solved.
Step 4
Replace the controller board. See
“Controller board removal” on
page 422.
Does the error remain?
Go to step 5. The problem is solved.
Step 5
POR the printer.
Does the error remain?
Go to step 6. The problem is solved.
7463
Diagnostic information
257
To Next Page
Loading...
