4044-XXX
USB NPA
USB NPA mode allows for two way communication between the host and the printer.
Perform the following steps to change the USB NPA setting:
1.Enter the configuration mode.
2.Perform a double click button press nine times. This moves to the USB NPA mode item on the configuration menu. The USB NPA (Error) LED is blinking.
3.The current USB NPA setting is indicated by the Off/On/Auto (Press Button) LED.
•When the LED is off, the USB port does not search for NPA data within the received data.
•When the LED is *blinking, the USB port searches for optional NPA data within the received data.
•When the LED is on solid, the USB port requires that data sent to the printer be in NPA format.
4.Perform a brief button press to select a different USB NPA setting.
5.Perform a long button press. All LEDs blink once, indicating the setting is saved.
6.Exit the configuration mode by turning the printer power off.
Hex Trace
When the printer is in Hex Trace, it prints a hexadecimal and a character representation of a print job. The printer does not recognize any print controls or commands in this mode. A Hex Trace printout is used to help isolate the cause of print problems.
When a job is printed, the printer operator panel displays the Hex Trace indication, (Ready LED blinking), showing that the printer remains in the Hex Trace mode. Turn the printer power off or do an operator panel reset (long button press) to exit the Hex Trace mode.
Perform the following steps to enter the Hex Trace mode:
1.Turn the printer power off.
2.Open the top cover.
3.Turn the printer power on.
Diagnostic Aids
