Lexmark C 950 Service Manual

							Diagnostic information 2-101
  5058-030
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202.05 Sensor (fuser exit) lag jam
See “202.04/202.05 Sensor (fuser exit) lag jam” on page 2-99.
203.01 Sensor (upper redrive) static jam
8Check the fuser/lower redrive/1st 
transfer 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 Fuser/lower redrive/
1st transfer retract motor.
 Does the above component 
operate properly?
Go to step 8.Go to step 9.
9Check the fuser/lower redrive/1st 
transfer retract motor for proper 
connection.
 Is the above component 
properly connected?
Replace the fuser/lower redrive/
1st transfer retract motor. 
Go to “Fuser/lower redrive/1st BTR retract motor removal” on page 4-94.
Replace the connection.
10Perform 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 (upper redrive) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (upper 
redrive).
 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 
						

							2-102  Service Manual 5058-030  
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203.03 Sensor (upper redrive) late jam
3Check the sensor (upper redrive) 
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 connection.
4Check the upper redrive 
assembly.
 Is the above component free of 
excess wear and damage?
Go to step 5.Replace the upper redrive 
assembly. Go to “Upper redrive assembly removal” on page 4-186.
5Check the printer left duplex door  
assembly
 Is the above component free of 
excess wear and damage?
Go to step 6.Replace the printer left duplex 
door assembly. Go to “Printer left duplex door assembly removal” on page 4-139.
6Perform a print test. Go to “PRINT TESTS” on page 3-22.
 Does the error continue?
Replace the upper printer engine 
card assembly.
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 upper redrive rolls for 
wear.
 Is the above component free of 
excess wear and damage?
Go to step 3.Replace the upper redrive 
assembly. 
Go to “Upper redrive assembly removal” on page 4-186.
3Check the sensor (upper redrive) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (Upper 
redrive).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to step 5. Go to step 4.
4Check the sensor (upper redrive) 
for proper connectin.
 Is the above component 
properly connected?
Replace the upper redrive 
assembly. Go to “Upper redrive assembly removal” on page 4-186.
Replace the connections.
Step Action and questions Yes No 
						

							Diagnostic information 2-103
  5058-030
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5Check 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 7.Go to step 6.
6Check 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.
7Check the upper redrive diverter 
gate 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 Upper redrive 
diverter gate. 
 Does the above component 
operate properly?
Go to step 9.Go to step 8.
8Check the upper redrive diverter 
gate 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 connection.
9POR the machine, and perform a 
print test. Go to “PRINT TESTS” on page 3-22.
 Does the error continue?
Replace the lower engine PCBA 
card.
Go to “Lower engine PCBA removal” on page 4-101.
Problem resolved
10POR the machine, and perform 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
Step Action and questions Yes No 
						

							2-104  Service Manual 5058-030  
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203.05 Sensor (upper redrive) lag 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 upper redrive rolls for 
wear.
 Is the above component free of 
excess wear and damage?
Go to step 3.Replace the upper redrive 
assembly. 
Go to “Upper redrive assembly removal” on page 4-186.
3Check the sensor (upper redrive) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (upper 
redrive).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to step 5.Go to step 4.
4Check the sensor (upper redrive) 
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 connection.
5Check the upper redrive 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 upper redrive motor 
(forward).
5. Touch upper redrive motor 
(reverse).
 Does the above component 
operate properly?
Go to step 7.Go to step 6.
6Check 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 connection. 
						

							Diagnostic information 2-105
  5058-030
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230.01  Sensor (duplex wait) static jam
7POR the machine, and perform 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
8POR the machine, and perform 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 (duplex wait) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (duplex wait).
 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 (duplex wait) 
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 connections.
4POR the machine, and perform 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
5POR the machine, and perform 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
Step Action and questions Yes No 
						

							2-106  Service Manual 5058-030  
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231.03 Sensor (duplex wait) 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 duplex rolls for wear.
 Is the above component free of 
excess wear and damage?
Go to step 3.Replace the upper redrive 
assembly. 
Go to “Upper redrive assembly removal” on page 4-186.
3Check the sensor (duplex wait ) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (duplex wait).
 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.
4Check the sensor (duplex wait) 
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 connections.
5Check the duplex 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 Duplex motor 
(reverse).
 Does the above component 
operate properly?
Go to step 7.Go to step 6.
6Check the duplex 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. 
						

							Diagnostic information 2-107
  5058-030
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7Check upper redrive 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 upper redrive motor 
(forward).
5. Touch upper redrive motor 
(reverse).
 Does the above component 
operate properly?
Go to step 9.Go to 8.
8Check 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 connection.
9Check upper redrive exit 2 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 PRINTER MOTOR 
TESTS.
4. Touch Upper redrive 
diverter gate solenoid.
 Does the above component 
operate properly?
Go to step 11.Go to step 10. 
10Check the upper redrive diverter 
gate solenoid 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 connection.
11POR the machine, and perform 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
12POR the machine, and perform 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
Step Action and questions Yes No 
						

							2-108  Service Manual 5058-030  
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232.03 Sensor (registration) late jam (duplex direct)
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 duplex rolls for wear.
 Is the above component free of 
excess wear and damage?
Go to step 3.Replace the upper redrive 
assembly. 
Go to “Upper redrive assembly removal” on page 4-186.
3Check the sensor (registration) 
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (registration).
 Does the display on the 
operator panel change every 
time the sensing area of the 
above sensor is interrupted or 
blocked?
Go to step 5.Go to step 4.
4Check the sensor (registration).
 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.
5Check the duplex 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 Duplex Motor 
(reverse).
 Does the above component 
operate properly?
Go to step 7.Go to step 6.
6Check the duplex 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.
7POR the machine, and perform 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 
						

							Diagnostic information 2-109
  5058-030
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Next242.01  Sensor (tray 2 feed out) static jam
8POR the machine, and perform 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 (tray 2 feed 
out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (tray 2 feed 
out).
 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 (tray 2 feed 
out) for proper connection.
 Is the above component 
properly connected?
Clean or replace the sensor (tray 
2 feed out). Go to “Sensor (tray module feedout) removal” on page 4-203.
Replace the connection.
4Check the connection between 
the lower engine PCBA and the 
tray module controller PCBA.
 Are the above components 
properly connected?
Replace the tray module 
controller PCBA.
Go to “Tray module controller PCBA removal” on page 4-209.
Go to step 5.
Replace the connections.
5POR the machine, and perform 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
6POR the machine, and perform 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
Step Action and questions Yes No 
						

							2-110  Service Manual 5058-030  
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242.03/242.06 Sensor (tray 2 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 pick rollers for wear.
 Is the above component free of 
excess wear and damage?
Go to step 3.Replace the pick rollers. 
Go to “Pick roller removal” on page 4-138.
3Check the transport rollers for 
wear.
 Is the above component free of 
excess wear and damage?
Go to step 4.Replace the transport rollers. 
Go to “Tray module transport rollers removal” on page 4-217.
4Check the sensor (tray 2 feed 
out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR 
TESTS.
4. Touch Sensor (tray 2 feed 
out).
 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 (tray 2 feed 
out) for proper connection.
 Is the above component 
properly connected?
Clean or replace the sensor (tray 
2 feed out). Go to “Sensor (tray module feedout) removal” on page 4-203.
Replace the connection.
6Check the tray module upper 
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 upper 
transport motor.
 Does the above component 
operate properly?
Go to step 8.Go to step 7.