LVPS cooling fan service check
Action Yes No
Step 1
Check for cooling fan obstructions.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the connections on the main cooling fan, and replace the
connections if necessary.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Replace the LVPS cooling fan. Go to
“LVPS cooling fan removal”
on page 330.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Sensor (toner empty) service check
Action Yes No
Step 1
a Check the sensor (toner empty) for proper installation.
b If necessary, remove and then reinstall the sensor.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the sensor (toner empty) for proper operation.
a Enter the Diagnostics menu.
b Select Base sensor test > Sensor tests.
c Observe the line item, “toner empty.”
Does the display on the operator panel change every time the
sensing area of the sensor is interrupted or blocked?
The problem is
solved.
Go to step 3.
Step 3
a Check the sensor (toner empty) for proper connection.
b Replace the connection, if necessary.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Replace the sensor (toner empty). Go to
“Sensor (toner empty)
removal” on page 333.
Does the problem remain?
Go to step 5. The problem is
solved.
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Diagnostic information
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