SATO M84PRO Troubleshooting Table, Image Voids, Ribbon Wrinkling, Light Print Images

Section 6: Troubleshooting

TROUBLESHOOTING TABLE

Use the tables below to isolate problems based on their symptoms. Refer to their relative procedures as applicable to correct the problem. The troubleshooting table below includes the following general symptom descriptions:

Image Voids	No Ribbon Movement	Power LED Not Illuminated
Ribbon Wrinkle	No Label Movement	Error LED Illuminated
Light Print Images	No Printed Image	On Line Led not Illuminated
Smeared Print Images	Display Problem	No Label Drive

IMAGE VOIDS

Poor label quality.	Use thermal transfer compatible stock.
Poor ribbon quality.	Use genuine SATO ribbons.
Ribbon not matched to label stock.	Consult with media supplier.
Damaged electronics.	Replace circuit board.
Damaged platen.	Replace platen.
RIBBON WRINKLING
Poor head alignment.	Adjust head balance, ribbon roller, and head alignment.
Poor ribbon tension.	Adjust tension as required.
Worn platen.	Replace as necessary.
Foreign material on head or platen.	Clean as required.
Foreign material no labels.	Use high quality label stock.
Damaged print head.	Replace print head as required.
LIGHT PRINT IMAGES
Poor label quality.	Use thermal transfer compatible stock.
Poor quality ribbons.	Use genuine SATO ribbons.
Low print head energy/darkness.	Adjust darkness control. Refer to Operators Manual.
Low print head pressure.	Adjust head balance.
Ribbon not matched to label stock.	Use Premier II ribbon with a “1C” thermal transfer ribbon stock
	or equivalent for optimum results.
Low ribbon and drive torque or no ribbon	Adjust ribbon drive clutch.
movement.
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.

M84Pro Service Manual PN 9001111A Page 6-2