Lexmark C91x Service Manual page 69

955 - Code CRC
Replace the RIP board.
956 - Processor Failure
Replace the RIP board.
957 - ASIC Failure
Replace the RIP board.
958 - NAND Failure
Replace the RIP board.
960 - RAM Slot 1 Bad
Replace the RAM card or the RIP board.
961 - RAM Slot 2 Bad
Replace the RAM card or the RIP board.
962 - RAM Slot 3 Bad
Replace the RAM card or the RIP board.
964 - Emulation Error
Replace the DLE board. If this does not fix the problem, replace the
RIP board.
955 Service
Code CRC <loc>
956 Service
System Board
958 Service
NAND Failure
960 Service
RAM Memory Error
964 Service
Emulation Error
Diagnostic information
5055-xxx
2-19