Lexmark OptraTM Service Manual page 26

4026-0XX
Blinking Operator Panel LED
NVRAM Failure Error
ASIC Register Failure Error
ASIC SRAM Failure Error
Flash Memory Failure Error
Font Checksum Failure Error
2-4
Action
Replace Controller board
Replace Controller board
Replace Controller board
Replace the ROM SIMM w/Flash. If
this does not correct the problem,
replace the controller board.
Replace the ROM SIMM. If this does
not correct the problem, replace the
controller board.