Lexmark C 950 Service Manual

							Diagnostic information 2-131
  5058-030
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250.06  Sensor (MPF feed out) 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 MPF rollers for wear.
 Is the MPF feed rollers free of 
excess wear?
Go to step 3.Replace the MPF feed rollers. Go 
to “MPF roller removal” on page 4-124
3Check the sensor (MPF media 
out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (MPF media 
out).
 Does the display on the 
operator panel change every 
time the sensor actuator is 
operated?
Go to step 5.Go to step 4.
4Check the sensor (MPF media 
out) for proper connection.
 Is the above component 
properly connected?
Replace the MPF tray feeder. Go 
to “MPF tray feeder removal” on page 4-125.
Replace the connections.
5Check the MPF feed/lift 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 PRINTER MOTOR 
TESTS.
4. Touch MPF feed/lift motor 
(feed).
5. Touch MPF feed/lift motor 
(pick).
 Does the above component 
operate properly?
Go to step 7.Go to step 6.
6Check the MPF feed/lift motor for 
proper connection.
 Is the above component 
properly connected?
Replace the MPF tray feeder. Go 
to “MPF tray feeder removal” on page 4-125.
Go to step 7. 
						

							2-132  Service Manual 5058-030  
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250.56 Sensor (MPF feed out) late jam (80K interval exceeded for feed rolls)
7Print a sample page using the 
MPF.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved
8Print a sample page using the 
MPF.
 Does the error continue?
Replace the upper printer engine 
PCBA.
Go to “Upper printer engine PCBA removal” on page 4-184.
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 MPF roller for wear.
 Is the MPF roller free of excess 
wear?
Go to step 3.Clean or replace the MPF rollers. 
Go to “MPF roller removal” on page 4-124.
3Check the sensor (MPF feed out) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (MPF feed 
out).
 Does the display on the 
operator panel change every 
time the sensor actuator is 
operated?
Go to step 5.Go to step 4.
4Check the sensor (MPF feed out) 
for proper connection.
 Is the above component 
properly connected?
Replace the MPF tray feeder.
Go to “MPF tray feeder removal” on page 4-125.
Replace the connections.
Step Action and questions Yes No 
						

							Diagnostic information 2-133
  5058-030
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381.01 Sensor (front tamper HP) late jam
5Check the MPF feed/lift 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 PRINTER MOTOR 
TESTS.
4. Touch MPF feed/lift motor 
(forward).
5. Touch MPF feed/lift motor 
(reverse).
 Does the motor rotate 
normally?
Go to step 7.Go to step 6.
6Check the MPF feed motor for 
proper connection.
 Is the above component 
properly connected?
Replace the MPF tray feeder.
Go to “MPF tray feeder removal” on page 4-125.
Replace the connections.
7POR the machine, and print a 
sample page using the MPF.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
Go to step 8.
Problem resolved
8POR the machine, and print a 
sample page using the MPF.
 Does the error continue?
Replace the upper printer engine 
PCBA.
Go to “Upper printer engine PCBA removal” on page 4-184.
Problem resolved
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.
Step Action and questions Yes No 
						

							2-134  Service Manual 5058-030  
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2Check the sensor (front tamper 
HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (front 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 3.Go to step 2.
3Check the sensor (front tamper 
HP) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (front tamper 
HP). Go to “Sensor (front tamper HP) and sensor (rear tamper HP) removals” on page 4-325.
Replace the connections.
4Check the front 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 front tamper motor 
(forward).
5. Touch front tamper motor 
(reverse).
 Does the above component 
operate properly?
Go to step 5.Go to step 4.
5Check the front tamper motor for 
proper connection.
 Is the above component 
properly connected?
Replace the media compiler 
guide. Go to “Media compiler unit assembly removal” on page 4-298.
Replace the connections.
6POR the machine.
 Does the error remain?
Replace the finisher controller 
PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
Step Action and questions Yes No 
						

							Diagnostic information 2-135
  5058-030
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324.xx Tray 2 lift motor failure
StepAction and questionsYesNo
1Check the sensor (tray 2 media 
level) on the tray 2 media feeder.
Is the sensor properly 
attached?
Go to step 2.Reattach the sensor.
2Check the sensor for proper 
operation. 
Navigate to: Diagnostics mode > 
Sensor tests > Sensor (tray 2 
media level)
Does the display on the 
operator panel change every 
time the sensing area of the 
sensor is interrupted or 
blocked?
Go to step 4.Go to step 3.
3Check the sensor for proper 
connection.
Is it properly connected?
Replace the sensor. Go to “Sensor (media level) removal” on page 4-200.
Reseat the cable.
4Check the tray 2 media feed lift  
motor for proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
Navigate to: Diagnostics mode > 
Motor tests > Printer Motor 
Tests > Tray 2 Feed/Lift Motor
Does it operate properly?
Go to step 6.Go to step 5.
5Check the motor for proper 
connection.
Is it properly connected?
Replace the media feed lift motor. 
Go to “Media feed lift motor removal” on page 4-118.
Reseat the cable.
6POR the machine and perform a 
print test.
Does the error continue?
Replace the tray media feeder. 
Go to “Tray module media feeder removal” on page 4-212.
Problem resolved.
7POR the machine and perform a 
print test.
Does the error continue?
Replace the lower engine PCBA. 
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved. 
						

							2-136  Service Manual 5058-030  
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334.xx Tray 3 lift motor failure
StepAction and questionsYesNo
1Check the sensor (tray 3 media 
level) on the tray 3 media feeder.
Is the sensor properly 
attached?
Go to step 2.Reattach the sensor.
2Check the sensor for proper 
operation. 
Navigate to: Diagnostics mode > 
Sensor tests > Sensor (tray 3 
media level)
Does the display on the 
operator panel change every 
time the sensing area of the 
sensor is interrupted or 
blocked?
Go to step 4.Go to step 3.
3Check the sensor for proper 
connection.
Is it properly connected?
Replace the sensor. Go to “Sensor (media level) removal” on page 4-200.
Reseat the cable.
4Check the tray 3 media feed lift  
motor for proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
Navigate to: Diagnostics mode > 
Motor tests > Printer Motor 
Tests > Tray 3 Feed/Lift Motor
Does it operate properly?
Go to step 6.Go to step 5.
5Check the motor for proper 
connection.
Is it properly connected?
Replace the media feed lift motor. 
Go to “Media feed lift motor removal” on page 4-118.
Reseat the cable.
6POR the machine and perform a 
print test.
Does the error continue?
Replace the tray media feeder. 
Go to “Tray module media feeder removal” on page 4-212 or “TTM tray 3 feeder removal” on page 4-221.
Problem resolved.
7POR the machine and perform a 
print test.
Does the error continue?
Replace the lower engine PCBA. 
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved. 
						

							Diagnostic information 2-137
  5058-030
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344.xx Tray 4 lift motor failure
StepAction and questionsYesNo
1Check the sensor (tray 4 media 
level) on the tray 4 media feeder.
Is the sensor properly 
attached?
Go to step 2.Reattach the sensor.
2Check the sensor for proper 
operation. 
Navigate to: Diagnostics mode > 
Sensor tests > Sensor (tray 4 
media level)
Does the display on the 
operator panel change every 
time the sensing area of the 
sensor is interrupted or 
blocked?
Go to step 4.Go to step 3.
3Check the sensor for proper 
connection.
Is it properly connected?
Replace the sensor. Go to “Sensor (media level) removal” on page 4-200.
Reseat the cable.
4Check the tray 4 media feed lift  
motor for proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
Navigate to: Diagnostics mode > 
Motor tests > Printer Motor 
Tests > Tray 4 Feed/Lift Motor
Does it operate properly?
Go to step 6.Go to step 5.
5Check the motor for proper 
connection.
Is it properly connected?
Replace the media feed lift motor. 
Go to “Media feed lift motor removal” on page 4-118.
Reseat the cable.
6POR the machine and perform a 
print test.
Does the error continue?
Replace the tray media feeder. 
Go to “Tray module media feeder removal” on page 4-212 or “TTM tray 4 media feeder removal” on page 4-225.
Problem resolved.
7POR the machine and perform a 
print test.
Does the error continue?
Replace the lower engine PCBA. 
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved. 
						

							2-138  Service Manual 5058-030  
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354.xx Tray 5 lift motor failure
StepAction and questionsYesNo
1Check the sensor (tray 5 media 
level) on the tray 5 media feeder.
Is the sensor properly 
attached?
Go to step 2.Reattach the sensor.
2Check the sensor for proper 
operation. 
Navigate to: Diagnostics mode > 
Sensor tests > Sensor (tray 5 
media level)
Does the display on the 
operator panel change every 
time the sensing area of the 
sensor is interrupted or 
blocked?
Go to step 4.Go to step 3.
3Check the sensor for proper 
connection.
Is it properly connected?
Replace the sensor. Go to “Sensor (tray 5 media level) removal” on page 4-388.
Reseat the cable.
4Check the tray 5 media feed lift  
motor for proper operation.
When performing motor tests, ensure 
that all cover and 
door interlock 
switches are 
overridden.
Navigate to: Diagnostics mode > 
Motor tests > Printer Motor 
Tests > Tray 5 Feed/Lift Motor
Does it operate properly?
Go to step 6.Go to step 5.
5Check the motor for proper 
connection.
Is it properly connected?
Replace the media feed lift motor. 
Go to “HCF feed lift motor removal” on page 4-364.
Reseat the cable.
6POR the machine and perform a 
print test.
Does the error continue?
Replace the tray media feeder. 
Go to “HCF feed unit removal” on page 4-366.
Problem resolved.
7POR the machine and perform a 
print test.
Does the error continue?
Replace the lower engine PCBA. 
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved. 
						

							Diagnostic information 2-139
  5058-030
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381.02 Sensor (front 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 (front tamper 
HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (front 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.
3Is the sensor (front tamper HP) 
properly connected?
 Is the above component 
properly connected?
Replace the sensor (front tamper 
HP). Go to “Sensor (front tamper HP) and sensor (rear tamper HP) removals” on page 4-325.
Replace the connection.
4Check the front 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 Front tamper motor 
(forward).
5. Touch Front tamper motor 
(rearward).
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the front tamper motor for 
proper connection.
 Is the above component 
properly connected?
Replace the media compiler unit. 
Go to “Media compiler unit assembly removal” on page 4-298.
Replace the connections.
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 
						

							2-140  Service Manual 5058-030  
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381.03 Sensor (rear tamper HP) late 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. 
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