Ricoh Aficio MP 161SPF - Manual (Page 131)

Host Interface
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5
Host Interface
This section describes the user tools in the Host Interface menu under Printer
Features.
Default settings are shown in bold type.
❖ I/O Buffer
You can set the size of the I/O Buffer. Normally it is not necessary to change
this setting.
The default setting is 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.
The default setting is 15 seconds.
Reference
p.4 “Accessing User Tools”