Zebra Technologies LI 72 ユーザーズマニュアル

RW 420 User Guide

• 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.)

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

• Clean print head.
• Check battery and recharge or replace as necessary.
• Check quality of media.

• Check media alignment.
• Clean print head.
• Ensure Media Cover is properly closed and latched.

• Check baud rate.

• 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).

• 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.)

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