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) static jam” on 
page 2-205.
493.01  
Service finisher errorSensor (booklet media exit) static jam Media remains detected by the sensor 
(booklet media exit).
Go to “493.01 Sensor (booklet media 
exit) static jam” on page 2-206.
493.03  
Service finisher errorSensor (booklet media exit) late jam The media is late reaching the sensor 
(booklet media exit) within the specified 
time.
Go to “493.03 Sensor (booklet media 
exit) static jam” on page 2-207.
493.05  
Service finisher errorSensor (booklet media exit) lag jam The sensor (booklet media exit) activated, 
but did not clear within the specified time.
Go to “493.05 Sensor (booklet media 
exit) lag jam” on page 2-208.
8xx service error codes
Error code Description Action
849.00
Service hard drive 
errorHard drive/configuration ID mismatch The device does not have a hard drive 
installed, even though its configuration ID 
indicates that a hard drive should be 
present.
Go to “849.00 Hard drive failure” on 
page 2-210.
9xx service error codes
Error code Description Action
900.xx 
System software 
errorUnrecoverable RIP software error / 
illegal trapGo to “Steps before starting the 9yy 
service checks” on page 2-211.
Go to “900.xx System software error” 
on page 2-213.
901.xx 
System software 
errorUnrecoverable RIP software error / 
illegal trapGo to “Steps before starting the 9yy 
service checks” on page 2-211.
Go to “901.xx System software error” 
on page 2-216.
4xx service error codes
Error code Description Action 
						

							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 errorData communication error Firmware upgrade is needed.
Go to “910.02–910.07 Data 
communication error” on page 2-219.
910.06 
Service data errorData communication error Firmware upgrade is needed.
Go to “910.02–910.07 Data 
communication error” on page 2-219.
910.07 
Service data errorData communication error Firmware upgrade is needed.
Go to “910.02–910.07 Data 
communication error” on page 2-219.
940.02 
Service data errorClock signal communication error The clock signal failed to reach the upper 
printer PCBA.
Go to “940.02 Clock signal 
communication error” on page 2-220.
940.03 
Service data errorController communication failure A software control-related error has 
occurred.
Go to “940.03 Controller communication 
failure” on page 2-220.
939.00 
Service RIP engine 
Comm.RIP card assembly communication 
failureA communication error occurred between 
the printer engine card and the RIP card 
assembly.
Go to “939.00 RIP card assembly 
communication failure” on page 2-219.
940.04 
Service data errorIM logic failure A software control-related error has 
occurred.
Go to “940.04 IM logic failure” on 
page 2-220.
951.xx 
Service NVRAM 
failureRIP card assembly NVRAM failure A failure has occurred in the RIP card 
assembly NVRAM.
Go to “951.xx RIP card assembly 
NVRAM failure” on page 2-221.
953.xx 
Service NVRAM 
failure Operator panel assembly NVRAM 
failureNVRAM chip failure with operator panel 
assembly (mirror).
Go to “953.xx Operator panel assembly 
NVRAM failure” on page 2-221.
9xx service error codes
Error code Description Action 
						

							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 
temperature failureThe RIP card assembly has exceeded safe 
operating temperature.
Go to “956.01 RIP card assembly 
processor over temperature failure” on 
page 2-222.
956.02 
Service system board 
errorRIP card assembly cooling fan failure The RIP card assembly cooling fan is not 
functioning properly.
Go to “956.02 RIP card assembly 
cooling fan failure” on page 2-222.
956.03 
Service system board 
errorRIP card assembly FPGA failure The RIP card assembly has failed.
Go to “956.03 RIP card assembly FPGA 
failure” on page 2-223.
957.01 
Service data errorBITZ1 initialize failure A data-loading error has occurred.
Go to “957.01 BITZ1 initialize failure” on 
page 2-224.
957.02 
Service data errorBITZ2 initialize failure A data-loading error has occurred.
Go to “957.02 BITZ2 initialize failure” on 
page 2-224.
980.04 
Service duplex 
comm.Duplex controller card assembly 
communication failureA communication error occurred between 
the printer engine card assembly and the 
duplex controller card assembly.
Go to “980.04 Duplex controller card 
assembly communication failure” on 
page 2-223.
980.05 
Service flicker 
communication errorEngine  flicker communication failure A communication error has occurred in the 
printer engine card assembly.
Go to “980.05 Engine flicker 
communication failure” on page 2-224.
995.00 
Service finisher NVM 
errorFinisher NVM R/W failure A read/write error occurred on the NVM of 
the finisher controller card assembly.
Go to “995.00 Finisher NVM R/W failure” 
on page 2-225.
9xx service error codes
Error code Description Action 
						

							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 Event Log.
 Has any connection-related 
errors occurred?
Go to step “111.02-111.04 LED printhead (K) signal failure” on page 2-34.
Replace the LED Printhead (K).
Go to “LED printhead removal” on page 4-99.
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 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 page 4-184.
Problem resolved
StepAction and questionsYesNo
1Check the LED Printhead (C) for 
proper installation.
 Is the LED Printhead (C) 
properly installed?
Go to step 2.Install the LED Printhead (C) 
properly. 
						

							Diagnostic information 2-35
  5058-030
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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 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 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 page 4-184.
Problem resolved
StepAction and questionsYesNo
1Check the LED printhead (M) for 
proper installation.
 Is the LED printhead (M) 
properly installed?
Go to step 2.Install the LED printhead (M) 
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 Event Log.
 Has any connection-related 
errors occurred?
Go to step “113.02-113.04 LED printhead signal failure (M)” on page 2-36.
Replace the LED Printhead (M).
Go to “LED printhead removal” on page 4-99.
Step Action and questions Yes No 
						

							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 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 page 4-184.
Problem resolved
StepAction and questionsYesNo
1Check the LED printhead (Y) for 
proper installation.
 Is the LED printhead (Y) 
properly installed?
Go to step 2.Install the LED printhead (Y) 
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 Event Log.
 Has any connection-related 
errors occurred?
Go to “113.02-113.04 LED printhead signal failure (M)” on page 2-36.
Replace the LED printhead (Y).
Go to “LED printhead removal” on page 4-99.
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. 
						

							Diagnostic information 2-37
  5058-030
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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 page 4-184.
Problem resolved
StepAction and questionsYesNo
1Check each LED printhead for 
proper connections.
 Is the above component 
properly connected?
Go to step 2.Replace the connections. 
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 the upper printer engine 
PCBA.
Go to “Upper printer engine PCBA removal” on page 4-184.
Problem resolved
StepAction and questionsYesNo
1Check the LED printhead for 
proper connections.
 Is the above component 
properly connected?
Go to step 3.Replace the connections. 
Step Action and questions Yes No 
						

							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 the upper printer engine 
PCBA.
Go to “Upper printer engine PCBA removal” on page 4-184.
Problem resolved
StepAction and questionsYesNo
1Check the LED printhead for 
proper connections.
 Is the above component 
properly connected?
Go to step 3.Replace the connections. 
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 the upper printer engine 
PCBA.
Go to “Upper printer engine PCBA removal” on page 4-184.
Problem resolved
Step Action and questions Yes No 
						

							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 remain?
Go to step 3.Problem resolved
4Replace the printhead interface 
contact.
 Does the error remain?
Go to step 4.Problem resolved
5POR the machine.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
Go to step 6.
Problem resolved
6POR the machine.
 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 LED printhead for 
proper connections.
 Is the above component 
properly connected?
Go to step 2.Replace the connections. 
2Replace the printhead interface 
contact.
 Does the error remain?
Go to step 3.Problem resolved
3POR the machine.
 Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA removal” on page 4-101.
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 page 4-184.
Problem resolved 
						

							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 above component 
properly connected?
Go to step 2.Replace the connections. 
2Replace the printhead interface 
contact.
 Does the error remain?
Go to step 3.Problem resolved
3POR the machine.
 Does the error continue?
Replace the lower engine PCBA 
card assembly.
Go to “Lower engine PCBA removal” on page 4-101.
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 page 4-184.
Problem resolved
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 printhead flat data 
cable
 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