No print:

Check baud rate

Replace battery

Check cable to terminal

Invalid label format or command structure — use Hex Dump Mode for troubleshooting.

Reduced battery life after charging

If battery is one to two years old, short life may be normal aging.

Replace battery.

Error light flashing

No application: reload program.

If using wireless communications: normal indication data is being received.

Error light always on:

Check that media is loaded and that the print head is closed and securely latched.

Skips labels:

Check media for top of form sense mark or label gap.

Check that the print field has not been exceeded on label.

Insure the bar/gap sensor is not blocked or malfunctioning

Communication Error:

Check that media is loaded, head is closed and error light is off.

Check baud rate.

Replace cable to terminal.

Label Jam:

Open print head. Generously apply alcohol to printer in area of jammed label.

UMAN-EN2+

O-14