Lexmark CX310 Service Manual page 109

Actions
Step 8
Restart the printer to operating mode. Send a different print job to the
device.
Does the 900.xx error reoccur?
Step 9
Upgrade the firmware. Contact your next level of support for the correct
firmware level to use.
Restart the printer to operating mode. Send the printer a print job.
Does the 900.xx error reoccur?
Step 10
Is the device a Multi Function Printer?
Step 11
Run a copy job.
Does the 900.xx error reoccur?
Step 12
Run a scan to PC job.
Does the 900.xx error reoccur?
Step 13
Is there optional memory installed?
Step 14
Reinstall the memory, and send the print job to the device.
Does the 900.xx error reoccur?
Step 15
Install a Lexmark recommended memory option, and send a print job to
the device.
Does the 900.xx error reoccur?
Step 16
Is there a modem installed on the device?
Step 17
Reinstall the modem, and restart the device.
Does the 900.xx error reoccur?
Yes
Go to step 9.
Go to step 31.
Go to step 11.
Go to step 31.
Go to step 31.
Go to step 14.
Go to step 15.
Go to step 31.
Go to step 17.
Go to step 18.
Diagnostic information
109
7527
No
Go to step 10.
Go to step 10.
Go to step 13.
Go to step 12.
Go to step 13.
Go to step 16.
Go to step 16.
Problem resolved.
Go to step 21.
Go to step 20.