Rev AA
7-3
Optical
Calibration
Sensor Dirty
Dirt or obstruction
between the emitter and
detector
Clean the emitter and
detector gently with a soft
cloth
Faulty emitter assembly
Replace the emitter
assembly
Faulty detector assembly
Replace the detector
assembly
Faulty printhead cable
Replace the printhead cable
Optical
Calibration Failed
Ribbon reel diameters are
out of the expected range
Use the correct ribbon reel
Ribbon reels and/or cores
incorrectly located on the
mandrel
Reinstall the ribbon reels
and/or cores correctly
Large ribbon tag on the
rewind reel concealing the
calibration sensor
Remove the tag
Large ribbon ‘tag’ on the
rewind reel obscuring the
calibration sensor
Remove the tag
Thermistor Fault
Faulty printhead
Replace the printhead
Ribbon cable has
loosened
Push the ribbon back into
place
Faulty printhead ribbon
cable
Replace the printhead ribbon
cable
Printhead Over
Temperature
Printhead overheats
Allow the printhead to cool
down
Low Ribbon
Ribbon has to be
replaced
Replace the ribbon
Printhead Absent
Loss of communication
between the CLARiTY
controller and the printer
Check the cable
connections. Try cycling
between power on and off
Ribbon Error
Ribbon reel eccentricity is
excessive
Replace the ribbon
Ribbon tags on the take
up core, fooling the
optical calibration system
Remove the tags and wind
the take-up reel neatly.
Replace the take-up reel
else replace the supply reel
Error
Message
Possible Causes
Remedies
Table 7-1: Error Messages and Remedies (Continued)
ICE
P
egasus
Service Manual