Troubleshooting topics – Zebra Technologies LI 72 User Manual

Page 40

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40

RW 420 User Guide

Troubleshooting Topics

1. No power

• Check that battery is installed properly
• Recharge or replace battery as necessary. (

Always dispose

of used batteries properly. Refer to Appendix D for
more information on proper battery disposal.)

2. Media does not feed:

• Ensure Media Cover is properly closed and latched.
• Check media supports for any binding.

3. Poor or faded print or flashing

icon:

• 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 Media Cover is properly closed and latched.

5. Garbled print:

• Check baud rate.

6. No print:

• Check baud rate.
• Replace battery.

Always dispose of used batteries

properly. Refer to Appendix D for more information on
proper battery disposal.

• Check cable to terminal.
• Wireless units (Bluetooth or 802.11b) only: Establish RF

Link. Restore LAN associativity on 802.11b wireless units.

• Invalid label format or command structure — put printer in

Communications Diagnostic (Hex Dump) Mode to diagnose
problem (refer to Troubleshooting Tests section).

7. Reduced battery life

• Check battery date code — if battery is one to two years

old, short life may be due to normal aging.

• Replace battery. (

Always dispose of used batteries

properly. Refer to Appendix D for more information on
proper battery disposal.)

8. Flashing

icon:

• No application or application corrupted: reload program.
•Flashing indicator is normal while data is being received.

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