User's Manual

QLn Series User Guide

• Clean print head.

• Ensure printhead is properly closed and latched.

6. Garbled print:

• Check baud rate.

7. No print:

• Check baud rate.

• Replace battery.

• Check cable to terminal.

• Establish RF Link (Wireless units only) and/or restore LAN

associativity (Printers with WLAN radios only).

• Invalid label format or command structure. Place printer in

Communications Diagnostic (Hex Dump) Mode to diagnose

problem.

8. Reduced battery charge life

• Check battery date code — if battery is older than 1 year old, short

charge life may be due to normal aging.

• Check battery health.

• Replace battery.

9. ashing:

• If using wireless communications: flashing indicator is

normal while data is being transmitted or received.

10. or ashing:

• Check that media is loaded and that the media cover is closed and

securely latched.

11. 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.

• Ensure bar or gap sensor is not blocked or malfunctioning

12. Communication error:

• Check baud rate.

• Replace cable to terminal.

13. Label jam:

• Open head release latch and media cover.

• Generously apply alcohol to printer in area of

jammed label.

14. Blank LCD screen

• No application loaded or application corrupted: reload

program.