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...

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....

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...

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....

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....

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...

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...

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...

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...

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...