I really appreciate your comment.
I do this:
Disconnect from net, it print a test page and do all functions without trouble.
I try to perform NVRam reset with 6,7,8 in power on, and error 900.00 "Rip software" appears on screen. No NVRam init was performed.
I read about firmware update or replace the main sys board.
I perform several Lexmark NVResets but in T6XX models and X3XX and the machines respond.
Note: No error is diplayed during boot or other machine operartion, all seems normal until I try to Init NVRam.
Any comments will be appreciated.
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