Lexmark C 950 Service Manual

							Diagnostic information 2-151
  5058-030
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381.13 Sensor (stacker bin upper limit) error
8Check the stacker bin 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 FINISHER MOTOR 
TESTS.
4. Touch Stacker bin lift motor 
(up).
5. Touch Stacker bin lift motor 
(down).
 Does the above component 
operate properly?
Go to step 8.Go to step 7.
9Is the stacker bin lift motor 
connected properly?Replace the stacker bin lift motor. 
Go to “Stacker bin lift motor assembly removal” on page 4-341.
Replace the connection.
10Perform 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 (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 3.Go to step 2.
2Check 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.
Step Action and questions Yes No 
						

							2-152  Service Manual 5058-030  
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3Check 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 5.Go to step 4.
4Check 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.
5Check the media stacker bin 
actuator for proper operation.
 Is the media stacker bin 
actuator installed properly?
Does it enter the sensing area 
of the sensor (stacker bin 
upper limit)?
Go to step 6.Repair the media stacker bin 
actuator.
6Check the sensor (stacker bin 
upper limit) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (stacker bin 
upper limit).
 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 
upper limit) for proper connection.
 Is the above component 
properly connected?
Replace the sensor (stacker bin 
upper limit). Go to “Sensor (stacker bin upper limit) or sensor (stacker bin no media) removal” on page 4-336.
Replace the connection.
Step Action and questions Yes No 
						

							Diagnostic information 2-153
  5058-030
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381.14 Sensor (stacker bin no media) error
8Check the stacker bin 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 FINISHER MOTOR 
TESTS.
4. Touch Stacker bin lift motor 
(up).
5. Touch Stacker bin lift motor 
(down).
 Does the above component 
operate properly?
Go to step 10.Go to step 9.
9Is the stacker bin lift motor 
connected properly?Replace the stacker bin lift motor. 
Go to “Stacker bin lift motor assembly removal” on page 4-341.
Replace the connection.
10Perform 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 media stacker bin 
actuator for proper operation.
 Is the media stacker bin 
actuator installed properly?
Does it enter the sensing area 
of the sensor (stacker bin 
upper limit)?
Go to step 2.Repair the media stacker bin 
actuator.
2Check the sensor (stacker bin no 
media) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS. 
4. Touch Sensor (stacker bin 
no media).
 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 
						

							2-154  Service Manual 5058-030  
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3Is the sensor (stacker bin no 
media) properly connected?Replace the sensor (stacker bin 
no media). Go to “Sensor (stacker bin upper limit) or sensor (stacker bin no media) removal” on page 4-336.
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.
8Check 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 10.Go to step 9.
Step Action and questions Yes No 
						

							Diagnostic information 2-155
  5058-030
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381.15 Sensor (punch side reg 1/2) lag jam
9Check 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.
10Check the stacker bin 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 FINISHER MOTOR 
TESTS.
4. Touch Stacker bin lift motor 
(up).
5. Touch Stacker bin lift motor 
(down).
 Does the above component 
operate properly?
Go to step 12.Go to step 11.
11Is the stacker bin lift motor 
connected properly?Replace the stacker bin lift motor. 
Go to “Stacker bin lift motor assembly removal” on page 4-341.
Replace the connection.
12Perform 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 (punch unit 
side reg 1) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (punch side 
reg 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 3.Go to step 2.
Step Action and questions Yes No 
						

							2-156  Service Manual 5058-030  
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2Check the sensor (punch unit 
side reg 1) connection.
 Is the above component 
properly connected?
Replace the appropriate sensor 
(punch unit side reg pair). Go to 
“Sensor (punch unit side registration pair) with bracket removal” on page 4-332.
Replace the connection.
3Check the sensor (punch unit 
side reg 2) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (punch side 
reg 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 5.Go to step 4.
4Check the sensor (punch unit 
side reg 2) connection.
 Is the above component 
properly connected?
Replace the appropriate sensor 
(punch unit side reg pair). Go to 
“Sensor (punch unit side registration pair) with bracket removal” on page 4-332.
Replace the connection.
5Check the punch carriage shift 
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 Punch carriage shift 
motor (forward).
5. Touch Punch carriage shift 
motor (forward).
 Does the above component 
operate properly?
Go to step 7.Go to step 6.
6Check the punch carriage shift 
motor for proper connection.
 Is the above component 
properly connected?
Replace the punch carriage shift 
motor. Go to “Punch carriage shift motor assembly removal” on page 4-310.
Replace the connection.
7Perform a POR.
 Does the error continue when 
the power is turned off/on?
Replace the finisher controller 
PCBA. Go to “Finisher PCBA removal” on page 4-285.
Problem resolved
Step Action and questions Yes No 
						

							Diagnostic information 2-157
  5058-030
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381.16 Sensor (punch cam HP) late jam
StepAction and questionsYesNo
1Check the punch rack gear by 
moving it manually.
 Does the above component 
slide back and forth properly?
Go to step 2.Remove obstacles.
2Check the sensor (punch cam 
HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (punch cam 
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 (punch cam HP) 
properly connected?Replace the sensor (punch cam 
HP). Go to “Sensor (punch hole select), sensor (punch cam front), and sensor (punch unit HP) removal” on page 4-330.
Replace the connection.
4Check the punch unit 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 Punch unit motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Is the punch unit motor 
properly connected?Replace the punch unit motor. Go 
to “Punch unit motor assembly removal” on page 4-311.
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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381.17 Sensor (punch cam HP) lag jam
StepAction and questionsYesNo
1Check the punch rack gear by 
moving it manually.
 Does the above component 
slide back and forth properly?
Go to step 2.Remove obstructions.
2Check the sensor (punch cam 
HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (punch cam 
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 (punch cam HP) 
properly connected?Replace the sensor (punch cam 
HP). Go to “Sensor (punch hole select), sensor (punch cam front), and sensor (punch unit HP) removal” on page 4-330.
Replace the connection.
4Check the punch unit 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 Punch unit motor.
 Does the above component 
operate properly?
Go to step 6.Go to step 5.
5Is the punch unit motor 
properly connected?Replace the punch unit motor. Go 
to “Punch unit motor assembly removal” on page 4-311.
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 2-159
  5058-030
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381.18 Sensor (punch carriage shift HP) late jam
StepAction and questionsYesNo
1Check the punch carriage by 
moving it manually.
 Does the above component 
slide back and forth properly?
Go to step 2.Remove obstacles.
2Check the sensor (punch 
carriage shift HP) for proper 
operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS
4. Touch Sensor (punch 
carriage shift 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 (punch 
carriage shift HP) for proper 
connection.
 Is the above component 
properly connected?
Replace the sensor (punch 
carriage shift HP). Go to “Sensor (punch carriage shift HP) removal” on page 4-329.
Replace the connection.
4Check the punch carriage shift 
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 Punch carriage shift 
motor (forward).
5. Touch Punch carriage shift 
motor (rearward).
 Does the above component 
operate properly?
Go to step 6.Go to step 9.
5Check the punch carriage shift 
motor for proper connection.
 Is the above component 
properly connected?
Replace the punch carriage shift 
motor. Go to “Punch carriage shift motor assembly removal” on page 4-310..
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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381.19 Sensor (punch carriage shift HP) lag jam
StepAction and questionsYesNo
1Check the punch carriage by 
moving it manually.
 Does the above component 
slide back and forth properly?
Go to step 2.Remove obstacles.
2Check the sensor (punch 
carriage shift HP) for proper 
operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR 
TESTS.
4. Touch Sensor (punch 
carriage shift 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 (punch 
carriage shift HP) for proper 
connection.
 Is the above component 
properly connected?
Replace the sensor (punch 
carriage shift HP). Go to “Sensor (punch carriage shift HP) removal” on page 4-329.
Replace the connection.
4Check the punch carriage shift 
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 Punch carriage shift 
motor (forward).
5. Touch Punch carriage shift 
motor (rearward).
 Does the above component 
operate properly?
Go to step 6.Go to step 9.
5Check the punch carriage shift 
motor for proper connection.
 Is the above component 
properly connected?
Replace the punch carriage shift 
motor. Go to “Punch carriage shift motor assembly removal” on page 4-310..
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