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2-18 Service Manual

5055-01X

948 - Machine ID Error

948 Service

Machine ID

Step

Questions /

Actions

Yes No

1 Turn the printer off

and wait 30 seconds.

Turn the printer on.

Did this fix the

problem?

Problem solved. Verify proper

installation of the

EPROMs on both

the printer

controller board

and the printhead

controller board.

Go to step 2.

2 Are the EPROMs

installed correctly?

Replace the printer

controller board.

Go to step 3.

Install the

EPROMs

correctly.

3 Did replacing the

printer controller

board fix the

problem?

Problem solved. Replace the

printhead

controller board.

Lexmark C910 Service Manual

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