77
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 Not for Centronics
Memory full
Add the extension
RAM
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
78
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.