Lexmark Optra K 1220 Installation And User Manual page 100

3. Now select Tuning options.
The Job Interval Shutdown Timer indicates the number of seconds PSF/2 waits before
shutting down when there are no jobs in the queue. In other words this is the amount of
time that PSF/2 remains active after the last job is printed.
Valid values:
If you are using a MarkNet S adapter and set the printer IPDS Timeout value to Host
Controlled, the recommended value is 30 seconds.
100
integers 1 to 9999
1-9998 time in seconds to wait between jobs
9999 wait indefinitely for the next job to be received.