Lexmark C935 - Page 154

2-62 Printer Service Manual
5057-XXX
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19
Replace the modem. Restart the device.
Does the 900.xx error reoccur?
Go to step 31. Problem
resolved.
20
Run a fax job.
Does the 900.xx error reoccur?
Go to step 31. Go to step 21.
21
Are there any ISP (internal solutions port) options
installed?
Go to step 22. Problem
resolved.
22
Reinstall the first ISP option. Restart the device.
Does the 900.xx error reoccur?
Go to step 24. Go to step 23.
23
Run a job to test the option.
Does the 900.xx error reoccur?
Go to step 24. Go to step 26.
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?
Go to step 25. Problem
resolved.
25
Replace the faulty ISP option. Restart the device.
Does the 900.xx error reoccur?
Go to step 31. Go to step 26.
26
Are there any more ISP options to install? Go to step 27 Problem
resolved.
27
Install the next ISP option. Restart the device.
Does the 900.xx error reoccur?
Go to step 29. Go to step 28.
28
Run a job to test the option.
Does the 900.xx error reoccur?
Go to step 29. Go to step 26.
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?
Go to step 30. Go to step 26.
30
Replace the faulty ISP option. Restart the device.
Does the 900.xx error reoccur?
Go to step 31. Go to step 26.
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
Step Action and questions Yes No