Lexmark C 950 Service Manual

Diagnostic information 2-211
  5058-030
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Steps before starting the 9yy service checks
Before starting the service checks in this section, you will need to retrieve certain information. This will aid your 
next level of support in diagnosing the problem before replacing the controller board.
Warning:Do not replace the controller board unless directed by your next level of support.
1.Collect the history information and firmware logs (Fwdebug and logs.tar.gz) from the SE menu.
2.Collect...

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C. Collecting the settings from the menu settings page
Note:  The menu settings page is different for each printer. For more information see the User’s Guide. Your 
next level of support will tell you which page they want to see.
Copying the menu settings page from the Embedded Web Server (EWS)
Note:  Make sure your printer is connected to a network or to a print server.
1.From a Web browser, type http://printer_IP_address, and then press Enter....

Diagnostic information 2-213
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900.xx System software error
There are different types of 900.xx errors that can occur. There may be a communication problem (Bad cable, 
network connection, and so on) software issue, or a hardware problem with the controller board, or ISP (Internal 
solutions port). The communication and software aspects should be checked first. Determine if the problem is 
constant or intermittent. Use the troubleshooting procedure below to isolate the...

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7Re-attach the communications cable. Restart the 
printer to operating mode. Send the printer a print job. 
 Does the 900.xx error reoccur?
Note: Before performing this step, write down this 
information about the file being sent to the printer:
• Application used
• Operating system
• Driver type
• File type (PCL, PostScript, XPS, etc.)
Go to step 8.Go to step 10.
8Restart the printer to operating mode. Send a different 
print job to the device....

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19Replace the modem. Restart the device. 
 Does the 900.xx error reoccur?
Go to step 31.Problem resolved
20Run a fax job. 
 Does the 900.xx error reoccur?
Go to step 31.Go to step 21.
21Are there any ISP (internal solutions port) options 
installed?Go to step 22.Problem resolved
22Reinstall the first ISP option. Restart the device. 
 Does the 900.xx error reoccur?
Go to step 24.Go to step 23.
23Run a job to test the option. 
 Does the 900.xx...

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901.xx System software error
31Contact your next level of support. You will need the following information for them:
• Exact 900.xx error digits and complete error message
• Printed menu settings page
• Printed network settings page
• Device error log
• A sample print file If the error appears to be isolated to a single file
• File/Application used If the error is related to specific print file
• Device Operating System
• Driver used (PCL/PS)
•...

Diagnostic information 2-217
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7Re-attach the communications cable. Restart the 
printer to operating mode. Send the printer a print job. 
 Does the 901.xx error reoccur?
Note: Before performing this step, write down this 
information about the file being sent to the printer:
• Application used
• Operating system
• Driver type
• File type (PCL, PostScript, XPS, etc.)
Go to step 8.Go to step 10.
8Restart the printer to operating mode. Send a different 
print job to the...

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19Replace the modem. Restart the device. 
 Does the 901.xx error reoccur?
Go to step 31.Problem resolved
20Run a fax job. 
 Does the 901.xx error reoccur?
Go to step 31.Go to step 21.
21Are there any ISP (internal solutions port) options 
installed?Go to step 22.Problem resolved
22Reinstall the first ISP option. Restart the device. 
 Does the 901.xx error reoccur?
Go to step 24.Go to step 23.
23Run a job to test the option. 
 Does the 901.xx error...

Diagnostic information 2-219
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910.02–910.07 Data communication error
939.00 RIP card assembly communication failure 
31Contact your next level of support. You will need the following information for them:
• Exact 901.xx error digits and complete error message
• Printed menu settings page
• Printed network settings page
• Device error log
• A sample print file If the error appears to be isolated to a single file
• File/Application used If the error is related to specific...

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940.02 Clock signal communication error
940.03 Controller communication failure
940.04  IM logic failure
StepAction and questionsYesNo
1Check the upper printer engine 
PCBA connections.
 Are the above connections 
properly connected and not 
damaged?
Go to step 2.Connect the components 
properly and replace damaged 
connections.
2POR the machine.
 Does the error continue?
Replace the upper printer engine 
PCBA.
Go to “Upper printer engine PCBA...