9.Yellow error light always on, or flashing:

•Check media is loaded and print head is closed and securely latched.

10.Skips labels:

•Check media for top of form sense mark or label gap.

•Check that the maximum print field has not been exceeded on label.

•Insure bar/ or gap sensor is not blocked or

malfunctioning

11.Communication Error:

•Check media is loaded, head is closed and error light is off.

•Check baud rate.

•Replace cable to terminal.

12.Label Jam:

•Open head release latch and media cover.

•Generously apply alcohol to printer in area of jammed label.

13.Blank LCD Screen (only for units with optional LCD control panel)

•No application loaded or application corrupted: reload program.

Troubleshooting Tests

Printing a Configuration Label

To print out a listing of the printer’s current configuration follow these steps:

1.Turn the printer off. Load the media compartment with jour- nal media (media with no black bars printed on the back)

2.Press and hold the Feed Button.

3.Press and release the Power button and keep the Feed but- ton pressed. When printing starts, release the Feed button.

The printer will generate a configuration label as shown on Figures 17 and 17a :

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QL 320 User’s Guide