Lexmark C 950 Service Manual

							Diagnostic information 2-91
  5058-030
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7Check the media feed lift 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 PRINTER MOTOR 
TESTS.
4. Touch Tray [x] feed/Lift 
motor (feed).
5. Touch Tray [x] feed/Lift 
motor (lift).
 Does the above component 
operate properly?
Go to step 9.Go to step 8.
8Check the media feed lift motor 
for proper connection.
 Is the above component 
properly connected?
Replace the media feed lift motor. 
Go to “Media feed lift motor removal” on page 4-118.
Replace the connection.
9Check the media transport/MPF 
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 PRINTER MOTOR 
TESTS.
4. Touch MPF feed/lift motor 
(pick).
5. Touch MPF feed/lift motor 
(feed).
 Does the above component 
operate properly?
Go to step 11.Go to step 10. 
10Check the media transport/MPF 
drive motor for proper connection.
 Is the above component 
properly connected?
Replace the media transport/MPF 
drive motor. 
Go to “Media transport/MPF drive motor removal” on page 4-121.
Replace the connections.
Step Action and questions Yes No 
						

							2-92  Service Manual 5058-030  
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200.55 Sensor (registration) lag jam
See “200.05/200.55 Sensor (registration) lag jam” on page 2-88.
11Check the tray module upper 
rransport 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 1TM/3TM/TTM upper 
transport motor.
 Does the above component 
operate properly?
Go to step 13.Go to step 12.
12Check the tray module upper 
transportmotor for proper 
connection.
 Is the above component 
properly connected?
Replace the tray module upper 
transport motor. 
Go to “Tray module upper transport motor removal” on page 4-218.
Replace the connection.
13Check the tray module lower 
transport 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 1TM/3TM/TTM lower 
transport motor.
 Does the above component 
operate properly?
Go to step 7.Go to step 6.
14Check the tray module lower 
transport motor for proper 
connection.
 Is the above component 
properly connected?
Replace the tray module lower 
transport motor. 
Go to “Tray module lower transport motor removal” on page 4-211.
Replace the connection.
15Perform a print test. Go to “PRINT TESTS” on page 3-22.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved
Step Action and questions Yes No 
						

							Diagnostic information 2-93
  5058-030
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201.01 Sensor (media on belt) static jam
201.03 Sensor (media on belt) 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 (media on belt ) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (paper on 
belt).
 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 (media on belt) 
for proper connection.
 Is the above component 
properly connected?
Replace the sensor (media on 
belt).
Go to “Sensor (media on belt) removal” on page 4-152.
Replace the connection.
4Perform a print test. Go to “PRINT TESTS” on page 3-22.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
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 (media on belt ) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (paper on 
belt).
 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. 
						

							2-94  Service Manual 5058-030  
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3Check the sensor (media on belt) 
for proper connection.
 Is the above component 
properly connected?
Replace the sensor (media on 
belt).
Go to “Sensor (media on belt) removal” on page 4-152.
Replace the connection.
4Check the registration 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 PRINTER MOTOR 
TESTS.
4. Touch Registration motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the registration drive 
motor for proper connection.
 Is the above component 
properly connected?
Replace the registration drive 
motor. 
Go to “Registration drive motor removal” on page 4-144.
Replace the connection.
6Check the 2nd transfer roller 
contact retract 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 PRINTER MOTOR 
TESTS.
4. Touch 2nd transfer roller 
retract motor (contacted).
5. Touch 2nd transfer roller 
retract motor (retracted).
 Does the above component 
operate properly?
Go to step 8.Go to step 7.
7Check the 2nd transfer roller 
retract motor for proper 
connection.
 Is the above component 
properly connected?
Replace the printer left duplex 
door assembly. 
Replace the “Printer left duplex door assembly removal” on page 4-139.
Replace the connection.
Step Action and questions Yes No 
						

							Diagnostic information 2-95
  5058-030
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8Check the media transport/MPF 
drive 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 PRINTER MOTOR 
TESTS.
4. Touch MPF feed/lift motor 
(pick).
5. Touch MPF feed/lift motor 
(feed) Test.
 Does the above component 
operate properly?
Go to step 10.Go to step 9.
9Check the media transport/MPF 
drive motor  assembly for proper 
connection.
 Is the above component 
properly connected?
Replace the media transport/MPF 
drive motor assembly. 
Go to “Media transport/MPF drive motor removal” on page 4-121.
Replace the connection.
10Check the registration 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 PRINTER MOTOR 
TESTS.
4. Touch Registration clutch.
 Does the above component 
operate properly?
Go to step 12.Go to step 11.
11Check the registration clutch for 
proper connection.
 Is the above component 
properly connected?
Replace the registration transport 
roller assembly. 
Go to “Registration/transport roller assembly removal” on page 4-146.
Replace the connection.
12Perform a print test. Go to “PRINT TESTS” on page 3-22.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved
Step Action and questions Yes No 
						

							2-96  Service Manual 5058-030  
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202.01 Sensor (fuser exit) static jam 
202.03 Exit Sensor 1 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 (fuser exit) for 
proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (fuser 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 (fuser exit) for 
proper connection.
 Is the above component 
properly connected?
Replace the fuser assembly.
Go to “Fuser assembly removal” on page 4-81.
Replace the connection.
4Perform a print test. Go to “PRINT TESTS” on page 3-22.
 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 sensor (fuser exit) for 
proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (fuser 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. 
						

							Diagnostic information 2-97
  5058-030
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3Check the sensor (fuser exit) for 
proper connection.
 Is the above component 
properly connected?
Replace the fuser assembly.
Go to “Fuser assembly removal” on page 4-81.
Replace the connection.
4Check the registration 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 PRINTER MOTOR 
TESTS.
4. Touch Registration motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the registration drive 
motor for proper connection.
 Is the above component 
properly connected?
Replace the registration drive 
motor. 
Go to “Registration drive motor removal” on page 4-144.
Replace the connection.
6Check the 2nd transfer roller 
retract 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 2nd transfer roller 
retract motor (contacted).
5. Touch 2nd transfer roller 
retract motor (retracted).
 Does the above component 
operate properly?
Go to step 8.Go to step 7.
7Check the 2nd transfer roller 
retract motor for proper 
connection.
 Is the above component 
properly connected?
Replace the printer left duplex 
door assembly. 
Go to “Printer left duplex door assembly removal” on page 4-139.
Replace the connection.
Step Action and questions Yes No 
						

							2-98  Service Manual 5058-030  
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8Check the fuser 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 Fuser/lower redrive/
1st transfer retract motor.
 Does the above component 
operate properly?
Go to step 10.Go to step 9.
9Check the fuser motor  for proper 
connection.
 Is the above component 
properly connected?
Replace the fuser motor. 
Go to “Fuser/lower redrive/1st BTR retract motor removal” on page 4-94.
Replace the connection.
10Check the media transport/MPF 
drive 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 PRINTER MOTOR 
TESTS.
4. Touch MPF feed/lift motor 
(pick).
5. Touch MPF feed/lift motor 
(feed) Test.
 Does the above component 
operate properly?
Go to step 12.Go to step 11.
11Check the media transport/MPF 
drive motor assembly for proper 
connection.
 Is the above component 
properly connected?
Replace the media transport/MPF 
drive motor. 
Go to “Media transport/MPF drive motor removal” on page 4-121.
Replace the connection.
Step Action and questions Yes No 
						

							Diagnostic information 2-99
  5058-030
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202.04/202.05 Sensor (fuser exit) lag jam
12Check the registration 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 PRINTER MOTOR 
TESTS.
4. Touch Registration clutch.
 Does the above component 
operate properly?
Go to step 14.Go to step 13.
13Check the registration clutch for 
proper connection.
 Is the above component 
properly connected?
Replace the registration transport 
roller . 
Go to “Registration/transport roller assembly removal” on page 4-146.
Replace the connection.
14Perform a print test. Go to “PRINT TESTS” on page 3-22.
 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 sensor (fuser exit) for 
proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (fuser 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 2.Replace the fuser assembly.
Go to “Fuser assembly removal” on page 4-81.
3Check the sensor (fuser exit) for 
proper connection.
 Is the above component 
properly connected?
Replace the fuser assembly.
Go to “Fuser assembly removal” on page 4-81.
Replace the connections.
Step Action and questions Yes No 
						

							2-100  Service Manual 5058-030  
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4Check the upper redrive motor.
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 Upper redrive motor 
(forward)
5. Touch Upper redrive motor 
(reverse)
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Check the upper redrive motor for 
proper connection.
 Is the above component 
properly connected?
Replace the upper redrive 
assembly. 
Go to “Upper redrive assembly removal” on page 4-186.
Replace the connections.
6Check the lower redrive shift 
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 PRINTER MOTOR 
TESTS.
4. Touch Lower redrive shift 
motor (forward).
5. Touch Lower redrive shift 
motor (reverse).
 Does the above component 
operate properly?
Go to step 8.Go to step 7.
7Check the lower redrive shift 
motor assembly for proper 
connection.
 Is the above component 
properly connected?
Replace the lower redrive shift 
motor assembly. 
Go to “Lower redrive shift motor assembly removal” on page 4-102.
Replace the connection.
Step Action and questions Yes No