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Unit 5: Troubleshooting
SATO XL400-410e Operator Manual PN 9001135A Page 5-3
PRINTER TROUBLESHOOTING
TROUBLESHOOTING TABLE
IMAGE VOIDS
Damaged print head. Replace print head.
Damaged electronics. Replace circuit board.
Damaged or worn platen roller. Replace platen roller.
Vertical line in printed image. Dirty or defective print head.
LIGHT PRINT IMAGES
Low print head energy/darkness. Adjust darkness control.
Low print head pressure. Adjust head balance.
Foreign material on print head. Clean print head and platen roller.
Poor head alignment. Align print head as required.
Excessive print speed. Reduce print speed setting.
UNEVEN PRINT DARKNESS
Unbalanced print head. Ensure correct balance.
Worn platen roller. Replace platen roller as required.
Dirty print head. Clean as necessary.
SMEARED PRINT IMAGES
Poor label quality. Use high quality label stock.
Foreign material on print head and platen
roller.
Clean print head and platen roller.
Foreign material on labels. Use high quality label stock.
Excessive print head energy. Adjust darkness control.
Excessive print speed. Adjust as speed as required.
Excessive head pressure. Adjust head balance.
NO LABEL MOVEMENT
Loose timing belt. Ensure motor mount screws are tight, belt properly tensioned.
Incorrect label pitch sensor selected. Select the correct label sensor type.
No voltage output. Replace fuse on main circuit board. Test power supply and
replace as required.
Drive motor not operating. Ensure wiring harness connection. Replace as necessary.
Defective main board. Troubleshoot board and replacee as nwecessary.