Troubleshooting Topics

1.No power

Check that battery is installed properly

Recharge or replace battery as necessary.

2.Media does not feed:

Be sure print head is closed and latched.

Check spindle holding media for any binding.

If unit is equipped with label presence sensor: Ensure most recently printed label is removed. Also ensure label sensor is not blocked.

3.Poor or faded print or flashing:

Clean print head.

Check battery and recharge or replace as necessary

Check quality of media.

4.Partial/missing print:

Check media alignment

Clean print head.

Ensure printhead is properly closed and latched.

5.Garbled print:

Check baud rate.

6.No print:

Check baud rate

Replace battery

Check cable to terminal

Establish RF Link (Wireless units only) or restore LAN associativity (Printers with WLAN radios only)

Invalid label format or command structure — put printer in Communications Diagnostic (Hex Dump) Mode to diagnose problem.

7.Reduced battery life

Check battery date code — if battery is one to two years old, short life may be due to normal aging.

Recondition battery.

Replace battery.

8.Yellow error light or flashing:

No application or application corrupted: reload program.

If using wireless communications: flashing indicator is normal while data is being transmitted or received.

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QL Series User Guide