Lexmark E250DN - Govt Laser 30PPM Special Build Mono Taa Service Manual page 33

Programming engine code/Programming system code
Meaning
New code is being programmed into the engine or firmware code flash.
Action
Wait for the message to clear. When the printer has finished programming the code, it performs a soft reset.
Invalid engine code/Invalid network code
Meaning
The engine code and/or the network code has not been programmed or has been programmed but is invalid.
Action
Download valid engine code to the internal print server.
Service error
✷
Meaning
The printer has a service error, and printing has stopped.
Action
Press Continue twice to see the secondary code. See
✷ ✷ ✷
"Service codes" on page 2-23
4512-220, -230
✷ ✷
to locate the problem.
Diagnostic information
2-9