Unit 5: Troubleshooting

 

 

 

TROUBLESHOOTING TABLE

 

 

 

 

 

IMAGE VOIDS

 

 

 

 

 

Dirty print head

 

Clean print head

 

 

 

Damaged print head

 

Replace print head

 

 

 

Damaged electronics

 

Replace circuit board

 

 

 

Damaged or worn roller

 

Replace rollers

 

 

 

Poor label quality

 

Use higher quality media

 

 

 

Ribbon stock and media are mismatched

 

Consult with media supplier. Use only SATO-certified media

 

 

 

RIBBON WRINKLING

 

 

 

 

 

Poor head alignment

 

Adjust head balance and alignment

 

 

 

Excessive temperature setting

 

Adjust temperature

 

 

 

Poor ribbon tension

 

Adjust tension as required

 

 

 

Worn roller

 

Replace as necessary

 

 

 

Foreign material on print head and/or rollers

 

Clean as required

 

 

 

Foreign material on labels

 

Use higher quality media

 

 

 

Damaged print head

 

Replace print head as required

 

 

 

LIGHT PRINT IMAGES

 

 

 

 

 

Low print head energy/darkness

 

Adjust darkness level

 

 

 

Low print head pressure

 

Adjust head pressure and/or balance

 

 

 

Foreign material on print head

 

Clean print head and rollers

 

 

 

Improper head alignment

 

Align print head as required

 

 

 

Excessive print speed

 

Reduce print speed setting

 

 

 

UNEVEN PRINT DARKNESS

 

 

 

 

 

Unbalanced print head

 

Adjust head balance

 

 

 

Worn rollers

 

Replace rollers as required

 

 

 

Dirty print head

 

Clean print head

 

 

 

MEANDERING MEDIA

 

 

 

 

 

Incorrectly loaded media

 

Ensure correct loading

 

 

 

Improperly adjusted media guides

 

Adjust as required

 

 

 

Unbalanced print head

 

Adjust as required

 

 

 

Worn rollers

 

Replace as required

 

 

 

NO LABEL MOVEMENT

 

 

 

 

 

Loose or broken timing belt

 

Replace or adjust as required

 

 

 

Incorrect label sensor selected

 

Check printer configuration for proper sensor selection

 

 

 

No voltage output

 

Replace fuse. Test power supply and replace as required

 

 

 

Drive motor not operating

 

Ensure wiring harness connection. Replace as necessary

 

 

LED FIELD ILLUMINATED BUT NO DISPLAY AT ALL

 

 

 

Power supply issues

 

Ensure cable properly connected. Check/replace power supply

 

 

 

Incorrectly positioned display potentiometer.

 

Adjust as required

 

 

 

CT4i Series Operator Manual

5-4

Page 60
Image 60
SATO ct4i Image Voids, Ribbon Wrinkling, Light Print Images, Uneven Print Darkness, Meandering Media, No Label Movement