Lexmark C935 Service Manual page 154

5057-XXX
Step Action and questions
19 Replace the modem. Restart the device.
Does the 900.xx error reoccur?
20 Run a fax job.
Does the 900.xx error reoccur?
21 Are there any ISP (internal solutions port) options
installed?
22 Reinstall the first ISP option. Restart the device.
Does the 900.xx error reoccur?
23 Run a job to test the option.
Does the 900.xx error reoccur?
24 Upgrade the firmware. Contact your next level of
support for the correct firmware level to use.
Restart the printer to operating mode.
Does the 900.xx error reoccur?
25 Replace the faulty ISP option. Restart the device.
Does the 900.xx error reoccur?
26 Are there any more ISP options to install?
27 Install the next ISP option. Restart the device.
Does the 900.xx error reoccur?
28 Run a job to test the option.
Does the 900.xx error reoccur?
29 Upgrade the firmware. Contact your next level of
support for the correct firmware level to use.
Restart the printer to operating mode.
Does the 900.xx error reoccur?
30 Replace the faulty ISP option. Restart the device.
Does the 900.xx error reoccur?
31 Contact 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 error appears to be isolated to a single file
• File/Application used if error is related to specific print file
• Device Operating System
• Driver used (PCL/PS)
• Frequency of the occurrence of the error
2-62
Printer Service Manual
Yes No
Go to step 31. Problem
resolved.
Go to step 31. Go to step 21.
Go to step 22. Problem
resolved.
Go to step 24. Go to step 23.
Go to step 24. Go to step 26.
Go to step 25. Problem
resolved.
Go to step 31. Go to step 26.
Go to step 27 Problem
resolved.
Go to step 29. Go to step 28.
Go to step 29. Go to step 26.
Go to step 30. Go to step 26.
Go to step 31. Go to step 26.
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