Unsolicited Messages - Lexmark C752 Technical Reference

Unsolicited Messages

You may receive unsolicited messages from your printer. Unsolicited messages use
the same syntax as status messages. These messages are transmitted sequentially
as ordinary data through the communication channel, with other characters written to
a standard output file. These messages are bracketed with
The interpreter has detected an
handleerror.
The rest of the current print job is discarded because of a previous error or other
ending, such as a stop or Ctrl-C. The printer ignores further input until it
determines the end of the print job.
The PostScript emulation program has exited successfully from the server
normal save or restore context; therefore, it can make permanent changes to
system parameters or virtual memory.
4-103
and
while executing
PostScript
and invoked