900.Xx Error Code Service Check - Lexmark 20G0482 - T 644tn B/W Laser Printer Service Manual

900.xx Error code service check

FRU
1 Printer POR
2 System board
3 Factory defaults
4 Sub error codes
Action
Turn the printer off and on several times. If Error Code 900 continues
to display, go to step 2.
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.
Restore factory defaults. See
This resets the non-critical areas of the user NVRAM. If Error Code
900 continues to display, go to step 4.
With Error Code 900 displayed, press
complete list of Sub Error Codes on the display. Check the
printer sub error codes" on page
Codes are listed, then call your next level of support or call Lexmark.
"Factory Defaults" on page
and . Record the
2-9. If none of the Sub Error
Diagnostic information
4061-xx0
3-28.
"Base
2-75