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Chapter 3: Using the Operator Panel and Menus
NPA Mode On
Off
Auto*
NPA is a mode of bidirectional communication that follows the conventions defined in
Network Printing Alliance Protocol, A Printer/Host Control Specification Developed by the
NPA
. NPA mode requires special processing of the print data.
If
NPA Mode is set to On, the data received must be in NPA format. If not, it is rejected as
bad data. If
NPA Mode is set to Off, the printer does not perform any NPA processing. If
NPA Mode is set to Auto, the printer examines the data to determine the format and then
processes it in either format.
The
NPA Mode setting in the USB MENU applies only to the USB interface connection.
Note: Changing the
NPA Mode setting automatically resets the printer.
USB Buffer Disabled
Auto*
3K to maximum size allowed
You can configure the size of the USB input buffer to meet the requirements of your
system. If the limited size of the input buffer is preventing you from continuing work in your
software application each time you send a job to the printer, you may want to increase the
buffer size.
The maximum size available for modification depends on the amount of memory in your
printer, the size of the other link buffers, and whether
Resource Save is set to On or Off.To
maximize the range for the USB buffer size, you can disable or reduce the size of the
parallel, serial, network, infrared, and LocalTalk buffers.
Choose
Auto to let the printer calculate a buffer size proportional to the total amount of
available printer memory. In most cases,
Auto is the recommended setting.
Note: Changing the
USB Buffer setting automatically resets the printer.
USB Menu (continued)
Menu Item Values
*Factory default