Lexmark Optra E Service Manual - Page 27
Diagnostic Information 2-5, Controller SRAM Failure Error
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4026-0XX Blinking Operator Panel LED Engine Board Communications Failure Error Action Replace the engine board. If this does not correct the problem, replace the controller board. Controller SRAM Failure Error Replace Controller board Diagnostic Information 2-5
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4026-0XX
Diagnostic Information 2-5
Engine Board Communications
Failure Error
Replace the engine board. If this
does not correct the problem,
replace the controller board.
Controller SRAM Failure Error
Replace Controller board
Blinking Operator Panel LED
Action