Lexmark 812 Printer User Manual


 
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900–999 Service <message>
What these messages mean:
Messages 900–999 relate to printer problems that may require service.
What you can do:
Turn the printer off and check all cable connections. Turn the printer back on. If the service
message recurs, call for service and report the message number and description of the
problem.
See also:
Calling for service