Lexmark C 950 Service Manual

Diagnostic information 2-31
  5058-030
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491.05  
Service finisher errorSensor (booklet media entrance) lag 
jamThe sensor (booklet media entrance) 
activated, but did not clear within the 
specified time.
Go to “491.05 Sensor (booklet media 
entrance) lag jam” on page 2-204.
492.01  
Service finisher errorSensor (booklet compiler media 
present) static jamMedia remains detected by the sensor 
(booklet compioler media present).
Go to “492.01 Sensor (booklet compiler 
media present)...

2-32  Service Manual 5058-030  
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910.02 
Service data errorData communication error Firmware upgrade is needed.
Go to “910.02–910.07 Data 
communication error” on page 2-219.
910.03 
Service data errorData communication error Firmware upgrade is needed.
Go to “910.02–910.07 Data 
communication error” on page 2-219.
910.04 
Service data errorData communication error Firmware upgrade is needed.
Go to “910.02–910.07 Data 
communication error” on page 2-219.
910.05 
Service data...

Diagnostic information 2-33
  5058-030
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955.xx 
Service Code CRC 
errorRIP card assembly NAND CRC failure The code ROM or NAND flash failed the 
cyclic redundancy check. 
Go to “955.xx RIP card assembly NAND 
CRC failure” on page 2-221.
956.00 
Service system board 
errorRIP card assembly processor failure The RIP card processor has failed.
Go to “956.00 RIP card assembly 
processor failure” on page 2-222.
956.01 
Service system board 
errorRIP card assembly processor over...

2-34  Service Manual 5058-030  
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Service checks
111.01 LED printhead (K) failure
111.02-111.04 LED printhead (K) signal failure 
112.01 LED printhead (C) failure
StepAction and questionsYesNo
1Check the LED Printhead (K) for 
proper installation.
 Is the LED Printhead (K) 
properly installed?
Go to step 2.Install the LED Printhead (K) 
properly.
2Check the event log for the 
history of errors that occurred.
1. Enter the Diagnostics Menu.
2. Navigate to EVENT LOG.
3. Touch Display...

Diagnostic information 2-35
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112.02-112.04 LED printhead (C) signal failure
113.01 LED printhead (M) failure 
2Check the event log for the 
history of errors that occurred
1. Enter the Diagnostics Menu.
2. Navigate to EVENT LOG.
3. Touch Display Event Log.
 Has any connection-related 
errors occurred?
Go to step “112.02-112.04 LED printhead (C) signal failure” on page 2-35.
Replace the LED Printhead (C).
Go to “LED printhead removal” on page 4-99.
StepAction and...

2-36  Service Manual 5058-030  
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113.02-113.04 LED printhead signal failure (M)
114.01 LED printhead failure (Y)
114.02-114.04 LED printhead (Y) signal failure 
StepAction and questionsYesNo
1Check the LED printhead.
 Is the above component 
properly connected?
Go to step 2.Replace the connections. 
Replace the printhead flat data 
cable.
2Replace the LED printhead.
Go to “LED printhead removal” on page 4-99.
 Does the error remain?
Go to step 3.Problem resolved
3Replace the...

Diagnostic information 2-37
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115.01 Multiple LED printhead power supply failure
115.02 Single LED printhead power failure
2Replace the LED printhead.
Go to “LED printhead removal” on page 4-99.
 Does the error remain?
Go to step 3.Problem resolved
3Replace the printhead interface 
contact.
 Does the error remain?
Go to step 4.Problem resolved
4POR the machine.
 Does the error continue?
Replace the upper printer engine 
PCBA.
Go to “Upper printer engine PCBA removal” on...

2-38  Service Manual 5058-030  
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115.03 Multiple LED printhead download failure
2Replace the printhead flat data 
cable assembly.
 Does the error remain?
Go to step 3.Problem resolved
3Replace the printhead interface 
contact.
 Does the error remain?
Go to step 4.Problem resolved
4POR the machine.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
Go to step 5.
Problem resolved
5POR the machine.
 Does the error continue?
Replace...

Diagnostic information 2-39
  5058-030
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115.04 Single LED printhead download failure
115.05 Multiple LED printhead mismatch failure
StepAction and questionsYesNo
1Check the LED printhead for 
proper connections.
 Is the above component 
properly connected?
Go to step 2.Replace the connections. 
2Replace the LED printhead. Go to “LED printhead removal” on page 4-99.
 Does the error remain?
Go to step 3.Problem resolved
3Replace the printhead flat data 
cable assembly.
 Does the error...

2-40  Service Manual 5058-030  
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115.06 Single LED printhead mismatch failure
115.07 Multiple LED printhead read failure
115.08 Single LED printhead read failure
StepAction and questionsYesNo
1Check the LED printhead.
 Is the correct LED printhead 
installed?
Check the LED printhead 
installation and connections.Install with the correct LED 
printhead. Go to “LED printhead removal” on page 4-108.
StepAction and questionsYesNo
1Check the LED printhead for 
proper connections.
 Is the...