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O-14
UMAN-CM2/3
• Check cable connection to terminal
• Wireless units: verify communication link between printer and
terminal
• Network printers: refer to the RF LAN Information section of
the Self Test printout to verify the printer’s SSID and IP
addresses are correct, and that the printer is “associated” with
the wireless LAN.
• Invalid label format or command structure — use Hex Dump
Mode for troubleshooting. Refer to the Programming Manual
for more information.
Reduced battery charge life:
• Recondition (cycle) battery.
• Damaged battery-replace.
• Check battery date code: if one to two years old, short charge
life may be due to normal aging.
Status light flashing and beeper chimes:
• No application: reload program.
Status light flashing
• If using SRRF communications: normal indication while data is
being received.
Status light always on:
• Check media is loaded and media compartment cover is
closed and latched
Communication Error:
• Check media is loaded, media compartment cover is closed
and latched, and error light is off.
• Check baud rate.
• Replace cable to terminal.
Never use any sharp objects on the printer mechanism
as it could damage the print head. Use only isopropyl
alcohol, the supplied cleaning pen and /or a cotton
swab for cleaning the printer.