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Diagnostic information 2-75
900.xx Error code service check
FRU Action
1 Printer POR Turn the printer off and on several times. If Error Code 900 continues
to display, go to step 2.
2
System board Turn the machine off and on several times, waiting a few minutes
between power on and power off.
If Error Code 900 continues to display, go to step 3.
3
Factory defaults Restore factory defaults. See “Factory Defaults” on page 3-28.
This resets the non-critical areas of the user NVRAM. If Error Code
900 continues to display, go to step 4.
4
Sub error codes
With Error Code 900 displayed, press and . Record the
complete list of Sub Error Codes on the display. Check the “Base
printer sub error codes” on page 2-9. If none of the Sub Error
Codes are listed, then call your next level of support or call Lexmark.