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Menu item Description
Serial Buffer
Disabled
Auto
3K to <maximum size
allowed>
Sets the size of the serial input buffer
Notes:
• Auto is the factory default setting.
• The Disabled setting turns off job buffering. Any jobs already buffered on
the disk are printed before normal processing is resumed.
• The serial buffer size setting can be changed in 1-K increments.
• The maximum size allowed depends on the amount of memory in the
printer, the size of the other link buffers, and whether Resource Save is set
to On or Off.
• To increase the maximum size range for the Serial Buffer, disable or reduce
the size of the parallel, USB, and network buffers.
• Changing this setting from the printer control panel and then exiting the
menus causes the printer to restart. The menu selection is updated.
Job Buffering
Off
On
Auto
Temporarily stores jobs on the printer hard disk before printing
Notes:
• Off is the factory default setting.
• The Off setting does not buffer print jobs to the hard disk.
• The On setting buffers jobs on the printer hard disk.
• The Auto setting buffers print jobs only if the printer is busy processing
data from another input port.
• Changing this setting from the printer control panel and then exiting the
menus causes the printer to restart. The menu selection is updated.
Serial Protocol
DTR
DTR/DSR
XON/XOFF
XON/XOFF/DTR
XON/XOFF/DTRDSR
Selects the hardware and software handshaking settings for the serial port
Notes:
• DTR is the factory default setting.
• DTR/DSR is a hardware handshaking setting.
• XON/XOFF is a software handshaking setting.
• XON/XOFF/DTR and XON/XOFF/DTR/DSR are combined hardware and
software handshaking settings.
Robust XON
On
Off
Determines whether or not the printer communicates availability to the
computer
Notes:
• Off is the factory default setting.
• This menu item applies only to the serial port if Serial Protocol is set to
XON/XOFF.
Understanding printer menus
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