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.

continued

53

QL Series User Guide