
56
LED Indicators: Power and Ready LEDs blink alternately
Power LED Ready LED
ON OFF
OFF ON
Possible Problems
Solutions Remarks
Ribbon out Supply the ribbon roll
Ribbon jam Recover the jam
Ribbon sensor error
Replace ribbon sensor
Not applicable to
direct thermal
type.
LED Indicators: Only the Power LED blinks
Power LED
Ready LED
ON ON
OFF ON
Possible Problems
Solutions Remarks
Serial IO error Check the baud rate Serial interface only
Memory full Add the extension
RAM(flash memory
card)
Cutter failed, or jam
at cutter
Check the cutter
Recover the jam
Occurs only when
installing or setting the
cutter
Hardware error Call for service
57
LED Indicators: Only the Ready LED blinks
Power LED Ready LED
ON ON
ON OFF
Possible Problems
Solutions Remarks
Print head too hot Printing will stop until the
print head cools to an
acceptable printing
temperature. When it
does, the printer will
automatically resume
operation.
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