Lexmark T652 Service Manual page 226

Action
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?
Step 3
a
Check the sensor (toner empty) for proper connection.
b
Replace the connection, if necessary.
Does the problem remain?
Step 4
Replace the sensor (toner empty). Go to
removal" on page 296.
Does the problem remain?
Step 5
Check the toner pulse wheel on the print cartridge for damage,
and if necessary, replace the cartridge.
Does the problem remain?
Printhead failure service check
Action
Step 1
Check all connections on the printhead assembly for proper
connectivity.
Does the problem remain?
Step 2
Check all connections on the system card assembly for proper
connectivity.
Does the problem remain?
Step 3
Check all printhead connections for possible damage and poor
continuity.
Does the problem remain?
"Sensor (toner empty)
Diagnostic information
226
Yes No
The problem is Go to step 3.
solved.
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
Contact the next The problem is
level of support. solved.
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
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