I/O Buffer
You can set the size of the I/O Buffer. Normally it is not necessary to change this setting.
Default: [128 KB]
I/O Timeout
You can set how many seconds the machine should wait before ending a print job. If data from another port usually arrives in the middle of a print job, you should increase this timeout period.
Default: [15 seconds]
For details about how to change the Printer Features, see "Accessing User Tools", Connecting the Machine/ System Settings.