Lexmark C 950 Service Manual

							Diagnostic information 2-191
  5058-030
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4Check the entrance/paddle 
stepper motor for proper 
operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Entrance/paddle 
motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the entrance/paddle motor 
for proper connection.
 Is the above component 
properly connected?
Replace the stepper motor. 
Go to “Stepper motor (entrance/paddle) and belt (entrance/paddle) removal” on page 4-350.
Replace connections.
6Check the Exit stepper motor  for 
proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Exit motor.
 Does the above component 
operate properly?
Go to step 8.Go to step 7.
7Check the exit stepper motor for 
proper connection.
 Is the above component 
properly connected?
Replace the stepper motor. 
Go to “Stepper motor (exit) assembly and belt (exit) removal” on page 4-352.
Replace the connection.
Step Action and questions Yes No 
						

							2-192  Service Manual 5058-030  
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484.01 Sensor (compiler media present) static jam
8Check the buffer diverter gate 
solenoid for proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Buffer diverter gate 
solenoid.
 Does the above component 
operate properly?
Go to step 10.Go to step 9.
9Check the buffer diverter gate 
solenoid for proper connection.
 Is the above component 
properly connected?
Replace the buffer diverter gate 
solenoid. 
Go to “Buffer diverter gate solenoid removal” on page 4-270.
Replace the connection.
10Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 11.Replace the connections.
11POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the Sensor (compiler 
media present) for proper  
operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (compiler 
media present).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to Step 3.Go to Step 2.
Step Action and questions Yes No 
						

							Diagnostic information 2-193
  5058-030
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485.01 Sensor (upper media exit) static jam
3Check the sensor (compiler 
media present) for proper 
connection.
 Is the above component 
properly connected?
Replace the sensor (compiler 
media present).Replace connections.
4Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 5.Replace the connections.
5POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the sensor (upper media 
exit) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (upper media 
exit).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to Step 4.Go to Step 3.
3Check the sensor (upper media 
exit) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (upper media 
exit). 
Go to “Sensor (upper media exit) removal” on page 4-340.
Replace connections.
4Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 5.Replace the connections.
5POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
Step Action and questions Yes No 
						

							2-194  Service Manual 5058-030  
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485.03 Sensor (upper media exit) late jam
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the sensor (upper media 
exit) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
3. Touch Sensor (upper media 
exit).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to Step 4.Go to Step 3.
3Check the sensor (upper media 
exit) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (upper media 
exit). 
Go to “Sensor (upper media exit) removal” on page 4-340.
Replace connections.
4Check the buffer/transport 
stepper motor for proper 
operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Buffer/transport 
motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the buffer/transport 
stepper motor for proper 
connection.
 Is the above component 
properly connected?
Replace the stepper motor. 
Go to “Stepper motor (buffer/transport) and belt (buffer/transport) removal” on page 4-348.
Replace the connection.
6Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 7.Replace the connections. 
						

							Diagnostic information 2-195
  5058-030
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485.05 Sensor (upper media exit) lag jam
7POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the sensor (upper media 
exit) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
3. Touch Sensor (upper media 
exit).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to Step 4.Go to Step 3.
3Check the sensor (upper media 
exit) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (upper media 
exit). 
Go to “Sensor (upper media exit) removal” on page 4-340.
Replace connections.
4Check the buffer/transport 
stepper motor for proper 
operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Buffer/transport 
motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the buffer/transport 
stepper motor for proper 
connection.
 Is the above component 
properly connected?
Replace the stepper motor. 
Go to “Stepper motor (buffer/transport) and belt (buffer/transport) removal” on page 4-348.
Replace the connection.
Step Action and questions Yes No 
						

							2-196  Service Manual 5058-030  
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486.01 Sensor (lower media exit) static jam
6Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 5.Replace the connections.
7POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the sensor (lower media 
exit) for proper  operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
3. Touch Sensor (lower media 
exit).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to Step 4.Go to Step 3.
3Check the sensor (lower media 
exit) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (lower media 
exit). 
Go to “Sensor (lower media exit) removal” on page 4-326.
Replace connections.
4Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 5.Replace the connections.
5POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
Step Action and questions Yes No 
						

							Diagnostic information 2-197
  5058-030
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486.03 Sensor (lower media exit) late jam
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the sensor (lower media 
exit) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
3. Touch Sensor (lower media 
exit).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to Step 4.Go to Step 3.
3Check the sensor (lower media 
exit) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (lower media 
exit). 
Go to “Sensor (lower media exit) removal” on page 4-326.
Replace connections.
4Check the entrance/paddle 
stepper motor for proper 
operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Entrance/paddle 
motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the entrance/paddle 
stepper motor for proper 
connection.
 Is the above component 
properly connected?
Replace the stepper motor. 
Go to “Stepper motor (entrance/paddle) and belt (entrance/paddle) removal” on page 4-350.
Replace the connection. 
						

							2-198  Service Manual 5058-030  
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486.05 Sensor (lower media exit) lag jam
6Check the exit motor for proper 
operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Exit motor.
 Does the above component 
operate properly?
Go to step 8.Go to step 7.
7Check the exit stepper motor for 
proper connection.
 Is the above component 
properly connected?
Replace the stepper motor. 
Go to “Stepper motor (exit) assembly and belt (exit) removal” on page 4-352.
Replace the connection.
8Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 9.Replace the connections.
9POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the sensor (lower media 
exit) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
3. Touch Sensor (lower media 
exit).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to Step 4.Go to Step 3.
Step Action and questions Yes No 
						

							Diagnostic information 2-199
  5058-030
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3Check the sensor (lower media 
exit) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (lower media 
exit). 
Go to “Sensor (lower media exit) removal” on page 4-326.
Replace connections.
4Check the entrance/paddle 
stepper motor for proper 
operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Entrance/paddle 
motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the entrance/paddle 
stepper motor for proper 
connection.
 Is the above component 
properly connected?
Replace the stepper motor. 
Go to “Stepper motor (entrance/paddle) and belt (entrance/paddle) removal” on page 4-350.
Replace the connection.
6Check the exit stepper motor for 
proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Exit motor.
 Does the above component 
operate properly?
Go to step 8.Go to step 7.
7Check the exit stepper motor for 
proper connection.
 Is the above component 
properly connected?
Replace the stepper motor.
Go to “Stepper motor (exit) assembly and belt (exit) removal” on page 4-352.
Replace the connection.
8Check the finisher PCBA for 
proper connection.
 Is the above component 
properly connected?
Go to Step 9.Replace the connections.
Step Action and questions Yes No 
						

							2-200  Service Manual 5058-030  
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487.05 Sensor (compiler media present) late jam
9POR the machine.
 Does the error continue?
Replace the finisher PCBA.
Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the media path.
 Is the media path free of any 
media fragments?
Go to step 2.Remove any media or media 
fragments.
2Check the eject roll shaft for 
damage and contamination.
 Is the above component free of 
damage and contamination?
Go to Step 3.Replace the eject roll shaft. Go to “Eject roll shaft removal” on page 4-274.
3Check the clamp drive motor for 
proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch FINISHER MOTOR 
TESTS.
4. Touch Media eject clamp 
motor (clamp).
5. Touch Media eject clamp 
motor (unclamp).
 Does the above component 
operate properly?
Go to step 5.Go to step 4.
4Check the clamp drive motor for 
proper connection.
 Is the above component 
properly connected?
Replace the clamp drive motor. 
Go to “Clamp drive motor removal” on page 4-272.
Replace the connection.
Step Action and questions Yes No