Lexmark C 950 Service Manual

							Diagnostic information 2-141
  5058-030
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381.04 Sensor (rear tamper HP) lag jam
StepAction and questionsYesNo
1Check the tamper mechanism by 
moving it manually.
 Does the above component 
slide back and forth properly?
Go to step 2.Replace the media compiler unit 
assembly. Go to “Media compiler unit assembly removal” on page 4-298.
2Check the sensor (rear tamper 
HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (rear tamper 
HP).
 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 (rear tamper 
HP) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (rear tamper 
HP). Go to “Sensor (front tamper HP) and sensor (rear tamper HP) removals” on page 4-325.
Replace the connection.
4Check the rear tamper 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 Rear tamper motor 
(forward).
5. Touch Rear tamper motor 
(rearward).
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the rear tamper motor for 
proper connection.
 Is the above component 
properly connected?
Replace the media compiler unit 
assembly. Go to “Media compiler unit assembly removal” on page 4-298.
Replace the connection.
6Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved 
						

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381.05 Sensor (stapler carriage HP) late jam
StepAction and questionsYesNo
1Check the stapler by moving it 
manually.
 Does the above component 
slide back and forth properly?
Go to step 2.Remove obstructions.
2Check the sensor (stapler 
carriage HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (stapler 
carriage HP).
 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 (stapler 
carriage HP) for proper 
connection. 
 Is the above component 
properly connected?
Replace the sensor (stapler 
carriage HP). Go to “Sensor (stapler carriage HP) removal” on page 4-338.
Replace the connection.
4Check the stapler transport motor 
assembly 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 Stapler carriage 
motor (forward).
5. Touch Stapler carriage 
motor (rearward).
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the stapler transport motor 
for proper connection.
 Is the above component 
properly connected?
Replace the stapler transport 
motor. Replace the connection
6Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved 
						

							Diagnostic information 2-143
  5058-030
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381.06 Sensor (stapler carriage HP) lag jam
StepAction and questionsYesNo
1Check the stapler by moving it 
manually.
 Does the above component 
slide back and forth properly?
Go to step 2.Remove obstructions.
2Check the sensor (stapler 
carriage HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (stapler 
carriage HP).
 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 (stapler 
carriage HP) for proper 
connection.
 Is the above component 
properly connected?
Replace the sensor (stapler 
carriage HP). Go to “Sensor (stapler carriage HP) removal” on page 4-338.
Replace the connection.
4Check the stapler carriage motor 
assembly 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 Stapler carriage 
motor (forward).
5. Touch Stapler carriage 
motor (rearward).
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the stapler transport motor 
for proper connection.
 Is the above component 
properly connected?
Replace the stapler transport 
motor. Replace the connection.
6Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved 
						

							2-144  Service Manual 5058-030  
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381.07 Stapler unit failure 
381.08 Sensor (media eject clamp HP late jam 
StepAction and questionsYesNo
1Check the stapler unit for proper 
connection.
 Is the above component 
properly connected?
Go to step 2.Replace the connections.
2Check the stapler unit for wear.
 Is the stapler unit free of 
excess wear?
Go to step 3.Replace the stapler unit 
assembly. Go to “Stapler unit assembly removal” on page 4-344.
3Perform a staple test. Go to “Staple Test” on page 3-18.
 Does the error remain?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the sensor (media eject 
clamp HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (media eject 
clamp HP).
 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.
2Check the sensor (media eject 
clamp HP) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (media eject 
clamp HP). Go to “Sensor (media eject clamp HP) removal” on page 4-327.
Replace the connection. 
						

							Diagnostic information 2-145
  5058-030
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381.09 Sensor (media eject clamp HP) lag jam
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 (unclamp).
5. Touch Media eject clamp 
motor (clamp).
 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.
5Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the sensor (media eject 
clamp HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (media eject 
clamp HP).
 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.
2Check the sensor (media eject 
clamp HP) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (media eject 
clamp HP). Go to “Sensor (media eject clamp HP) removal” on page 4-327.
Replace the connection.
Step Action and questions Yes No 
						

							2-146  Service Manual 5058-030  
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381.10 Sensor (media eject shaft HP) late jam 
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 (unclamp).
5. Touch Media eject clamp 
motor (clamp).
 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.
5Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the sensor (media eject 
shaft HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (media eject 
shaft HP).
 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.
2Check the sensor (media eject 
shaft HP) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (media eject 
shaft HP). Go to “Sensor (media eject shaft HP) removal” on page 4-328.
Replace the connection.
Step Action and questions Yes No 
						

							Diagnostic information 2-147
  5058-030
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3Check the eject shaft roll 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 motor 
(forward).
5. Touch Media eject motor 
(reverse).
 Does the above component 
operate properly?
Go to step 5.Go to step 4.
4Check the eject shaft roll motor 
for proper connection.
 Is the above component 
properly connected?
Replace the eject shaft roll motor. 
Go to “Media eject motor assembly removal” on page 4-302.
Replace the connection.
5Check the media eject clamp 
clutch 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 clutch.
 Does the above component 
make an audible clicking 
noise?
Go to step 7. Go to step 6.
6Check the media eject clamp 
clutch for proper connection.
 Is the above component 
properly connected?
Replace the media eject clamp 
clutch. Go to “Media eject clamp clutch removal” on page 4-301.
Replace the connection.
7Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
Step Action and questions Yes No 
						

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381.11 Sensor (media eject shaft HP) lag jam
StepAction and questionsYesNo
1Check the sensor (media eject 
shaft HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (media eject 
shaft HP).
 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.
2Check the sensor (media eject 
shaft HP) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (media eject 
shaft HP). Go to “Sensor (media eject shaft HP) removal” on page 4-328.
Replace the connection.
3Check the eject shaft roll 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 motor 
(forward).
5. Touch Media eject motor 
(reverse).
 Does the above component 
operate properly?
Go to step 5.Go to step 4.
4Check the eject shaft roll motor 
for proper connection.
 Is the above component 
properly connected?
Replace the eject shaft roll motor. 
Go to “Media eject motor assembly removal” on page 4-302.
Replace the connection. 
						

							Diagnostic information 2-149
  5058-030
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381.12 Stacker bin failure
5Check the media eject clamp 
clutch 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 clutch.
 Does the above component 
make an audible clicking 
noise?
Go to step 7.Go to step 6.
6Check the media eject clamp 
clutch for proper connection.
 Is the above component 
properly connected?
Replace the media eject clamp 
clutch. Go to “Media eject clamp clutch removal” on page 4-301.
Replace the connection.
7Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
StepAction and questionsYesNo
1Check the vertical transport 
mechanism of the stacker bin for 
obstacles and damage.
 Are the any obstacles in the 
vertical transport mechanism 
of the stacker bin?
Remove obstacles.Go to step 2.
2Check the sensor (stacker bin 
level encoder) for proper 
operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (stacker bin 
level encoder).
 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 
						

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3Check the sensor (stacker bin 
level encoder) for proper 
connection.
 Is the above component 
properly connected?
Replace the sensor (stacker bin 
level encoder). Go to “Sensor (stacker bin level encoder) removal” on page 4-334.
Replace the connection.
4Check the sensor (stacker bin 
level R) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (stacker bin 
level 1).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to step 6.Go to step 5.
5Check the sensor (stacker bin 
level R) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (stacker bin 
level R). Go to “Sensor (stacker bin level R) removal” on page 4-335.
Replace the connection.
6Check the sensor (stacker bin 
level F) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (stacker bin 
level 2).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to step 8.Go to step 7.
7Check the sensor (stacker bin 
level F) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (stacker bin 
level F). Go to “Sensor (stacker bin level F) removal” on page 4-335.
Replace the connection.
Step Action and questions Yes No