Lexmark 250d - E B/W Laser Printer, Service Manual, Page: 33 / 164

Diagnostic information
2-9
4512-220, -230
Programming engine code/Programming system code
Invalid engine code/Invalid network code
Service error
z z z
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.
z
z
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.
✷
✷ ✷ ✷ ✷ ✷
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 to locate the problem.