USB menuMenu item DescriptionPCL SmartSwitchOnOffSets the printer to automatically switch to PCL emulation when a print job receivedthrough a USB port requires it, regardless of the default printer languageNotes:• On is the factory default setting.• When the Off setting is used, the printer does not examine incoming data.• When the Off setting is used, the printer uses PostScript emulation if the PSSmartswitch setting is On. It uses the default printer language specified in theSetup menu if the PS SmartSwitch setting is Off.PS SmartSwitchOnOffSets the printer to automatically switch to PostScript emulation when a print jobreceived through a USB port requires it, regardless of the default printer languageNotes:• On is the factory default setting.• When the Off setting is used, the printer does not examine incoming data.• When the Off setting is used, the printer uses PCL emulation if the PCLSmartswitch setting is On. It uses the default printer language specified in theSetup menu if the PCL SmartSwitch setting is Off.NPA ModeOnOffAutoSets the printer to perform the special processing required for bidirectionalcommunication following the conventions defined by the NPA protocolNotes:• Auto is the factory default setting.• Changing this setting automatically resets the printer.USB BufferDisabledAuto3K to Sets the size of the USB input bufferNotes:• Auto is the factory default setting.• The Disabled setting turns off job buffering. Any jobs already buffered areprinted before normal processing is resumed.• The USB buffer size value 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 the Resource Save setting is Onor Off.• To increase the maximum size range for the USB Buffer, disable or reduce thesize of the parallel buffer.• Changing this setting automatically resets the printer.Mac Binary PSOnOffAutoSets the printer to process Macintosh binary PostScript print jobsNotes:• Auto is the factory default setting.• The Off setting filters print jobs using the standard protocol.• The On setting processes raw binary PostScript print jobs.Understanding the printer menus22