SATO M-84PRO Operation Manual page 39

Section 5. Troubleshooting
SYMPTOM PROBABLE CAUSE
Light Images Poor quality labels
Poor quality ribbons
Low print head energy/darkness
Low print head pressure
Ribbon not matched to label stock
Foreign material on head
Poor head alignment
Excessive print speed
Smearing Poor quality labels
Poor quality ribbons
Foreign material on head/platen
Foreign material on labels
Excessive print head energy
Excessive print speed
Excessive head pressure
No Ribbon Incorrect ribbon core size
Movement
Loose platen drive belt
No + 24 volt output
Loose service screws on rewind pulley Tighten service screws
Damaged electronics
No Label Move- Loose/broken platen drive belt
ment
Incorrect label pitch sensor selected
No +24 volt output
Loose set screw on platen pulley/step-
per motor
No Printed Print head not connected
Image
Ribbon upside down
No + 24 volt output
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Operation Manual
SUGGESTED CORRECTIVE ACTION
Use thermal transfer compatible stock ☺
Use genuine SATO ribbons ☺
Adjust darkness control ☺
Use correct head pressure position
Select better suited carbon Ribbon ☺
Clean head and platen ☺
Align Print Head
Reduce print speed setting ☺
Select better suited carbon Ribbon ☺
Use genuine SATO ribbons ☺
Clean head and platen ☺
Use high quality label stock ☺
Adjust darkness control ☺
Adjust print speed ☺
Use correct head pressure position
Use genuine SATO ribbons ☺
Adjust/replace belt
Test power supply and replace if required
Replace circuit board
Adjust/replace belt
Select correct label sensor type (DSW2-2) ☺
Replace fuse on main PCB
Test power supply and replace if required
Tighten set screws
Verify print head connector fully seated at
head and PCB
Use genuine SATO ribbons ☺
Test power supply and replace if required
SATO M-84PRO