Lexmark E320 Service Manual - Page 132
Using Hex Trace mode (E320/E322), Using the special function menu E220/E321/E323
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4500 Using Hex Trace mode (E320/E322) When unexpected characters print or characters are missing, use Hex Trace to help determine if there is a problem with the language interpreter or the cable. Hex Trace isolates printing problems by indicating what information your printer is receiving. 1. Enter the special function menu. See "Using the special function menu (E320/E322) " on page 2-105 for more information. 2. Press and release the operator panel button twice quickly (double button press) three times until the Paper Jam light comes on and the two bottom lights blink. 3. Press the button with a long button press (hold until all the lights come on) to select the Hex Trace setting. 4. Press the button with another long button press to initiate Hex Trace. Data sent to the printer is printed out in hexadecimal and character representation to help isolate the source of the problem. To exit Hex Trace mode, turn off the printer or press the operator panel button with a long button press. Using Hex Trace mode (E220/E321/E323) 1. Turn the printer on with the door open and Continue pressed. 2. Close the door after the lights quit flashing. 3. Press and hold Continue until the lights flash. A menu is printed. Follow the instructions on the menu to set the Hex Trace on. See the following for more information: - "Using the special function menu (E220/E321/E323) " on page 2-106 or - "Configuration menu group or diagnostic menu group " on page 3-36 - "Changing settings or printing graphical aids " on page 3-37 2-102 Service Manual