Lexmark C910 - Nvram Chip Failure; Nvram Crc Failure; Code Crc; Processor Failure

Diagnostic Information 2-19
5055-01X
949 - Tray (X) Comm
950 - Pr Control Board
Replace the printer controller board.
952 - NVRAM Chip Failure
Replace the printer controller board.
954 - NVRAM CRC Failure
Replace the RIP board.
955 - Code CRC
Replace the RIP board.
956 - Processor Failure
Replace the RIP board.
Step
Questions /
Actions
Yes No
1 Replace the printer
controller board.
Does this fix the
problem?
Problem solved. Replace the
expansion feeder
control board for
trays 2 - 5.
If the problem is
with the high
capacity paper
feeder, replace the
HCPF board.
952 Service
NVRAM Failure
955 Service
Code CRC <loc>
956 Service
System Board