Lexmark X792 Service Manual page 114

7562
Error code
990.00–990.29
Option Error
991.00–991.99
<device> Error
2-74
Service Manual
Description
An option error has occurred.
The specified device has detected an
error.
Action
Go to "990.xx—POST error service check" on
page 2-168
• POR the printer.
• If the error message persists, replace the
system board. See "System board removal"
on page 4-149.
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