Action Yes No
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 296.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the toner pulse wheel on the print cartridge for damage,
and if necessary, replace the cartridge.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Printhead failure service check
Action Yes No
Step 1
Check all connections on the printhead assembly for proper
connectivity.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check all connections on the system card assembly for proper
connectivity.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check all printhead connections for possible damage and poor
continuity.
Does the problem remain?
Go to step 4. The problem is
solved.
4062
Diagnostic information
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