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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

Lexmark C910 Service Manual

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