SATO GT 410 Operator's Manual page 87

Unit 5: Troubleshooting
TROUBLESHOOTING TABLE
IMAGE VOIDS
Damaged print head.
Damaged electronics.
Damaged or worn platen roller.
Vertical line in printed image.
LIGHT PRINT IMAGES
Low print head energy/darkness.
Low print head pressure.
Foreign material on print head.
Poor head alignment.
Excessive print speed.
UNEVEN PRINT DARKNESS
Unbalanced print head.
Worn platen roller.
Dirty print head.
SMEARED PRINT IMAGES
Poor label quality.
Foreign material on print head and platen
roller.
Foreign material on labels.
Excessive print head energy.
Excessive print speed.
Excessive head pressure.
NO LABEL MOVEMENT
Loose timing belt.
Incorrect label pitch sensor selected.
No voltage output.
Drive motor not operating.
Defective main board.
NO PRINTED IMAGE
Print head is disconnected.
SATO GT4xxe Series Operator Manual
Replace print head.
Replace circuit board.
Replace platen roller.
Dirty or defective print head.
Adjust darkness control.
Adjust head balance.
Clean print head and platen roller.
Align print head as required.
Reduce print speed setting.
Ensure correct balance.
Replace platen roller as required.
Clean as necessary.
Use high quality label stock.
Clean print head and platen roller.
Use high quality label stock.
Adjust darkness control.
Adjust as speed as required.
Adjust head balance.
Ensure motor mount screws are tight, belt properly tensioned.
Select the correct label sensor type.
Replace fuse on main circuit board. Test power supply and
replace as required.
Ensure wiring harness connection. Replace as necessary.
Troubleshoot board and replacee as nwecessary.
Ensure print head wiring harness is connected on each end.
PN 9001138A Page 5-7