EN
Control Panel Menus B-15
I/O Menu
Items in the I/O (input/output) Menu affect the communication 
between the printer and the computer.
I/O Menu 
Item Values Explanation
I/O TIMEOUT=15
5 
to
 300
Select the I/O timeout period in seconds. (I/O 
timeout refers to the time, measured in 
seconds, that the printer waits before ending a 
print job.)
This setting allows you to adjust timeout for 
best performance. If data from other ports 
appear in the middle of your print job, increase 
the timeout value.
Press 
[- Value +]
 once to change settings by 
increments of 1, or hold down 
[- Value +]
 to 
scroll by increments of 10. 
I/O BUFFER=AUTO AUTO
ON
OFF
Allocate memory for I/O buffering.
AUTO
:
 The printer automatically reserves 
memory for I/O buffering. Additional 
configurations are not required and the 
I/O BUFFER SIZE 
menu item does not 
appear.
ON
:
 The 
I/O BUFFER SIZE
 item appears (see 
below). Specify the amount of memory to be 
used for I/O buffering.
OFF
:
 I/O buffering is not performed and the 
I/O BUFFER SIZE
 item does not appear.
When the I/O buffer setting is changed, any 
downloaded resources (such as fonts or 
macros) will need to be downloaded again, 
unless they are stored on an optional hard disk 
or flash DIMM.
For more information, see page C-7.
I/O BUFFER SIZE=
100K
10K
 and up This item appears only when 
I/O BUFFER=
ON
. Specify the amount of memory for I/O 
buffering. The maximum amount of memory 
available for I/O buffering is determined by the 
amount of memory installed in the printer, the 
languages installed in the printer, and by other 
memory allocations that must be made.
Press 
[-Value +]
 to change settings by 
increments of 10 (up to 100 KB) or by 
increments of 100 (above 100 KB).
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